Revert "Reland "Let all early errors be SyntaxErrors.""

This reverts commit 89d93e38.

Reason for revert: Breaks layout tests: https://ci.chromium.org/p/v8/builders/ci/V8-Blink%20Linux%2064/32929

Original change's description:
> Reland "Let all early errors be SyntaxErrors."
> 
> This is a reland of 99fd5b9b which includes a missed update to
> test/test262/test262.status.
> 
> Implement the spec change from the following TC39 PR:
> https://github.com/tc39/ecma262/pull/1527
> 
> Bug: v8:9326
> Change-Id: Ie3aac60db550e90fb648fc30886a05419fa41afe
> TBR: adamk@chromium.org
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1682989
> Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
> Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#62500}

TBR=adamk@chromium.org,gsathya@chromium.org,verwaest@chromium.org,rkirsling@gmail.com

Change-Id: Ia56dcda6780a2b1249749e1e7978b35b5e33fbcf
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:9326
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1687678Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62509}

AUTHORS

@@ -162,7 +162,6 @@ Rob Wu <rob@robwu.nl>
 Robert Meijer <robert.s.meijer@gmail.com>
 Robert Mustacchi <rm@fingolfin.org>
 Robert Nagy <robert.nagy@gmail.com>
-Ross Kirsling <rkirsling@gmail.com>
 Ruben Bridgewater <ruben@bridgewater.de>
 Ryan Dahl <ry@tinyclouds.org>
 Sakthipriyan Vairamani (thefourtheye) <thechargingvolcano@gmail.com>

DEPS

@@ -182,7 +182,7 @@ deps = {
   'v8/test/mozilla/data':
     Var('chromium_url') + '/v8/deps/third_party/mozilla-tests.git' + '@' + 'f6c578a10ea707b1a8ab0b88943fe5115ce2b9be',
   'v8/test/test262/data':
-    Var('chromium_url') + '/external/github.com/tc39/test262.git' + '@' + '079b004ac418db8ddcd9134d7cf36b0f5c4a6110',
+    Var('chromium_url') + '/external/github.com/tc39/test262.git' + '@' + '49eee8bf9d69e3e137e9a196f6e0906a7c6a2cd4',
   'v8/test/test262/harness':
     Var('chromium_url') + '/external/github.com/test262-utils/test262-harness-py.git' + '@' + '4555345a943d0c99a9461182705543fb171dda4b',
   'v8/third_party/qemu-linux-x64': {

src/ast/scopes.cc

@@ -2469,7 +2469,8 @@ bool ClassScope::ResolvePrivateNames(ParseInfo* info) {
       Scanner::Location loc = proxy->location();
       info->pending_error_handler()->ReportMessageAt(
           loc.beg_pos, loc.end_pos,
-          MessageTemplate::kInvalidPrivateFieldResolution, proxy->raw_name());
+          MessageTemplate::kInvalidPrivateFieldResolution, proxy->raw_name(),
+          kSyntaxError);
       return false;
     } else {
       var->set_is_used();

src/common/globals.h

@@ -1170,6 +1170,8 @@ enum MaybeAssignedFlag : uint8_t { kNotAssigned, kMaybeAssigned };
 
 enum RequiresBrandCheckFlag : uint8_t { kNoBrandCheck, kRequiresBrandCheck };
 
+enum ParseErrorType { kSyntaxError = 0, kReferenceError = 1 };
+
 enum class InterpreterPushArgsMode : unsigned {
   kArrayFunction,
   kWithFinalSpread,

src/parsing/expression-scope.h

@@ -437,7 +437,8 @@ class ExpressionParsingScope : public ExpressionScope<Types> {
     }
     this->mark_verified();
     return this->parser()->RewriteInvalidReferenceExpression(
-        expression, beg_pos, end_pos, MessageTemplate::kInvalidLhsInFor);
+        expression, beg_pos, end_pos, MessageTemplate::kInvalidLhsInFor,
+        kSyntaxError);
   }
 
   void RecordExpressionError(const Scanner::Location& loc,

src/parsing/parser-base.h

@@ -785,7 +785,7 @@ class ParserBase {
 
     if (scanner()->current_token() == Token::AWAIT && !is_async_function()) {
       ReportMessageAt(scanner()->location(),
-                      MessageTemplate::kAwaitNotInAsyncFunction);
+                      MessageTemplate::kAwaitNotInAsyncFunction, kSyntaxError);
       return;
     }
 
@@ -935,19 +935,21 @@ class ParserBase {
   V8_NOINLINE void ReportMessage(MessageTemplate message) {
     Scanner::Location source_location = scanner()->location();
     impl()->ReportMessageAt(source_location, message,
-                            static_cast<const char*>(nullptr));
+                            static_cast<const char*>(nullptr), kSyntaxError);
   }
 
   template <typename T>
-  V8_NOINLINE void ReportMessage(MessageTemplate message, T arg) {
+  V8_NOINLINE void ReportMessage(MessageTemplate message, T arg,
+                                 ParseErrorType error_type = kSyntaxError) {
     Scanner::Location source_location = scanner()->location();
-    impl()->ReportMessageAt(source_location, message, arg);
+    impl()->ReportMessageAt(source_location, message, arg, error_type);
   }
 
   V8_NOINLINE void ReportMessageAt(Scanner::Location location,
-                                   MessageTemplate message) {
+                                   MessageTemplate message,
+                                   ParseErrorType error_type) {
     impl()->ReportMessageAt(location, message,
-                            static_cast<const char*>(nullptr));
+                            static_cast<const char*>(nullptr), error_type);
   }
 
   V8_NOINLINE void ReportUnexpectedToken(Token::Value token);
@@ -1216,9 +1218,9 @@ class ParserBase {
   // Checks if the expression is a valid reference expression (e.g., on the
   // left-hand side of assignments). Although ruled out by ECMA as early errors,
   // we allow calls for web compatibility and rewrite them to a runtime throw.
-  ExpressionT RewriteInvalidReferenceExpression(ExpressionT expression,
-                                                int beg_pos, int end_pos,
-                                                MessageTemplate message);
+  ExpressionT RewriteInvalidReferenceExpression(
+      ExpressionT expression, int beg_pos, int end_pos, MessageTemplate message,
+      ParseErrorType type = kReferenceError);
 
   bool IsValidReferenceExpression(ExpressionT expression);
 
@@ -1570,7 +1572,8 @@ ParserBase<Impl>::ParsePropertyOrPrivatePropertyName() {
     if (class_scope == nullptr) {
       impl()->ReportMessageAt(Scanner::Location(pos, pos + 1),
                               MessageTemplate::kInvalidPrivateFieldResolution,
-                              impl()->GetRawNameFromIdentifier(name));
+                              impl()->GetRawNameFromIdentifier(name),
+                              kSyntaxError);
       return impl()->FailureExpression();
     }
     key = impl()->ExpressionFromPrivateName(class_scope, name, pos);
@@ -2658,11 +2661,13 @@ ParserBase<Impl>::ParseAssignmentExpressionCoverGrammar() {
         impl()->ReportMessageAt(loc,
                                 MessageTemplate::kInvalidDestructuringTarget);
       } else {
-        // Syntax Error if LHS is neither object literal nor an array literal
+        // Reference Error if LHS is neither object literal nor an array literal
         // (Parenthesized literals are
         // CoverParenthesizedExpressionAndArrowParameterList).
         // #sec-assignment-operators-static-semantics-early-errors
-        impl()->ReportMessageAt(loc, MessageTemplate::kInvalidLhsInAssignment);
+        impl()->ReportMessageAt(loc, MessageTemplate::kInvalidLhsInAssignment,
+                                static_cast<const char*>(nullptr),
+                                kReferenceError);
       }
     }
     expression_scope()->ValidateAsPattern(expression, lhs_beg_pos,
@@ -4301,7 +4306,7 @@ typename ParserBase<Impl>::ExpressionT ParserBase<Impl>::ParseClassLiteral(
     impl()->ReportMessageAt(Scanner::Location(unresolvable->position(),
                                               unresolvable->position() + 1),
                             MessageTemplate::kInvalidPrivateFieldResolution,
-                            unresolvable->raw_name());
+                            unresolvable->raw_name(), kSyntaxError);
     return impl()->FailureExpression();
   }
 
@@ -4452,14 +4457,15 @@ template <typename Impl>
 typename ParserBase<Impl>::ExpressionT
 ParserBase<Impl>::RewriteInvalidReferenceExpression(ExpressionT expression,
                                                     int beg_pos, int end_pos,
-                                                    MessageTemplate message) {
+                                                    MessageTemplate message,
+                                                    ParseErrorType type) {
   DCHECK(!IsValidReferenceExpression(expression));
   if (impl()->IsIdentifier(expression)) {
     DCHECK(is_strict(language_mode()));
     DCHECK(impl()->IsEvalOrArguments(impl()->AsIdentifier(expression)));
 
     ReportMessageAt(Scanner::Location(beg_pos, end_pos),
-                    MessageTemplate::kStrictEvalArguments);
+                    MessageTemplate::kStrictEvalArguments, kSyntaxError);
     return impl()->FailureExpression();
   }
   if (expression->IsCall() && !expression->AsCall()->is_tagged_template()) {
@@ -4476,7 +4482,7 @@ ParserBase<Impl>::RewriteInvalidReferenceExpression(ExpressionT expression,
     ExpressionT error = impl()->NewThrowReferenceError(message, beg_pos);
     return factory()->NewProperty(expression, error, beg_pos);
   }
-  ReportMessageAt(Scanner::Location(beg_pos, end_pos), message);
+  ReportMessageAt(Scanner::Location(beg_pos, end_pos), message, type);
   return impl()->FailureExpression();
 }
 
@@ -4570,7 +4576,7 @@ typename ParserBase<Impl>::ExpressionT ParserBase<Impl>::ParseV8Intrinsic() {
 
   if (has_spread) {
     ReportMessageAt(Scanner::Location(pos, position()),
-                    MessageTemplate::kIntrinsicWithSpread);
+                    MessageTemplate::kIntrinsicWithSpread, kSyntaxError);
     return impl()->FailureExpression();
   }
 

src/parsing/parser.h

@@ -696,9 +696,11 @@ class V8_EXPORT_PRIVATE Parser : public NON_EXPORTED_BASE(ParserBase<Parser>) {
 
   // Reporting errors.
   void ReportMessageAt(Scanner::Location source_location,
-                       MessageTemplate message, const char* arg = nullptr) {
-    pending_error_handler()->ReportMessageAt(
-        source_location.beg_pos, source_location.end_pos, message, arg);
+                       MessageTemplate message, const char* arg = nullptr,
+                       ParseErrorType error_type = kSyntaxError) {
+    pending_error_handler()->ReportMessageAt(source_location.beg_pos,
+                                             source_location.end_pos, message,
+                                             arg, error_type);
     scanner_.set_parser_error();
   }
 
@@ -707,9 +709,11 @@ class V8_EXPORT_PRIVATE Parser : public NON_EXPORTED_BASE(ParserBase<Parser>) {
   V8_INLINE void ReportUnidentifiableError() { UNREACHABLE(); }
 
   void ReportMessageAt(Scanner::Location source_location,
-                       MessageTemplate message, const AstRawString* arg) {
-    pending_error_handler()->ReportMessageAt(
-        source_location.beg_pos, source_location.end_pos, message, arg);
+                       MessageTemplate message, const AstRawString* arg,
+                       ParseErrorType error_type = kSyntaxError) {
+    pending_error_handler()->ReportMessageAt(source_location.beg_pos,
+                                             source_location.end_pos, message,
+                                             arg, error_type);
     scanner_.set_parser_error();
   }
 

src/parsing/pending-compilation-error-handler.cc

@@ -30,26 +30,26 @@ MessageLocation PendingCompilationErrorHandler::MessageDetails::GetLocation(
   return MessageLocation(script, start_position_, end_position_);
 }
 
-void PendingCompilationErrorHandler::ReportMessageAt(int start_position,
-                                                     int end_position,
-                                                     MessageTemplate message,
-                                                     const char* arg) {
+void PendingCompilationErrorHandler::ReportMessageAt(
+    int start_position, int end_position, MessageTemplate message,
+    const char* arg, ParseErrorType error_type) {
   if (has_pending_error_) return;
   has_pending_error_ = true;
 
   error_details_ =
       MessageDetails(start_position, end_position, message, nullptr, arg);
+  error_type_ = error_type;
 }
 
-void PendingCompilationErrorHandler::ReportMessageAt(int start_position,
-                                                     int end_position,
-                                                     MessageTemplate message,
-                                                     const AstRawString* arg) {
+void PendingCompilationErrorHandler::ReportMessageAt(
+    int start_position, int end_position, MessageTemplate message,
+    const AstRawString* arg, ParseErrorType error_type) {
   if (has_pending_error_) return;
   has_pending_error_ = true;
 
   error_details_ =
       MessageDetails(start_position, end_position, message, arg, nullptr);
+  error_type_ = error_type;
 }
 
 void PendingCompilationErrorHandler::ReportWarningAt(int start_position,
@@ -97,8 +97,17 @@ void PendingCompilationErrorHandler::ThrowPendingError(Isolate* isolate,
   isolate->debug()->OnCompileError(script);
 
   Factory* factory = isolate->factory();
-  Handle<Object> error =
-      factory->NewSyntaxError(error_details_.message(), argument);
+  Handle<Object> error;
+  switch (error_type_) {
+    case kReferenceError:
+      error = factory->NewReferenceError(error_details_.message(), argument);
+      break;
+    case kSyntaxError:
+      error = factory->NewSyntaxError(error_details_.message(), argument);
+      break;
+    default:
+      UNREACHABLE();
+  }
 
   if (!error->IsJSObject()) {
     isolate->Throw(*error, &location);

src/parsing/pending-compilation-error-handler.h

@@ -25,13 +25,17 @@ class Script;
 class PendingCompilationErrorHandler {
  public:
   PendingCompilationErrorHandler()
-      : has_pending_error_(false), stack_overflow_(false) {}
+      : has_pending_error_(false),
+        stack_overflow_(false),
+        error_type_(kSyntaxError) {}
 
   void ReportMessageAt(int start_position, int end_position,
-                       MessageTemplate message, const char* arg = nullptr);
+                       MessageTemplate message, const char* arg = nullptr,
+                       ParseErrorType error_type = kSyntaxError);
 
   void ReportMessageAt(int start_position, int end_position,
-                       MessageTemplate message, const AstRawString* arg);
+                       MessageTemplate message, const AstRawString* arg,
+                       ParseErrorType error_type = kSyntaxError);
 
   void ReportWarningAt(int start_position, int end_position,
                        MessageTemplate message, const char* arg = nullptr);
@@ -106,6 +110,7 @@ class PendingCompilationErrorHandler {
   bool unidentifiable_error_ = false;
 
   MessageDetails error_details_;
+  ParseErrorType error_type_;
 
   std::forward_list<MessageDetails> warning_messages_;
 

src/parsing/preparser.h

@@ -1483,9 +1483,11 @@ class PreParser : public ParserBase<PreParser> {
 
   // Reporting errors.
   void ReportMessageAt(Scanner::Location source_location,
-                       MessageTemplate message, const char* arg = nullptr) {
-    pending_error_handler()->ReportMessageAt(
-        source_location.beg_pos, source_location.end_pos, message, arg);
+                       MessageTemplate message, const char* arg = nullptr,
+                       ParseErrorType error_type = kSyntaxError) {
+    pending_error_handler()->ReportMessageAt(source_location.beg_pos,
+                                             source_location.end_pos, message,
+                                             arg, error_type);
     scanner()->set_parser_error();
   }
 
@@ -1496,14 +1498,17 @@ class PreParser : public ParserBase<PreParser> {
 
   V8_INLINE void ReportMessageAt(Scanner::Location source_location,
                                  MessageTemplate message,
-                                 const PreParserIdentifier& arg) {
+                                 const PreParserIdentifier& arg,
+                                 ParseErrorType error_type = kSyntaxError) {
     UNREACHABLE();
   }
 
   void ReportMessageAt(Scanner::Location source_location,
-                       MessageTemplate message, const AstRawString* arg) {
-    pending_error_handler()->ReportMessageAt(
-        source_location.beg_pos, source_location.end_pos, message, arg);
+                       MessageTemplate message, const AstRawString* arg,
+                       ParseErrorType error_type = kSyntaxError) {
+    pending_error_handler()->ReportMessageAt(source_location.beg_pos,
+                                             source_location.end_pos, message,
+                                             arg, error_type);
     scanner()->set_parser_error();
   }
 

test/message/fail/new-target-assignment.out

-*%(basename)s:5: SyntaxError: Invalid left-hand side in assignment
+*%(basename)s:5: ReferenceError: Invalid left-hand side in assignment
 function f() { new.target = 5 }
                ^^^^^^^^^^
-SyntaxError: Invalid left-hand side in assignment
+ReferenceError: Invalid left-hand side in assignment

test/message/fail/new-target-postfix-op.out

-*%(basename)s:5: SyntaxError: Invalid left-hand side expression in postfix operation
+*%(basename)s:5: ReferenceError: Invalid left-hand side expression in postfix operation
 function f() { new.target++ }
                ^^^^^^^^^^
-SyntaxError: Invalid left-hand side expression in postfix operation
+ReferenceError: Invalid left-hand side expression in postfix operation

test/message/fail/new-target-prefix-op.out

-*%(basename)s:5: SyntaxError: Invalid left-hand side expression in prefix operation
+*%(basename)s:5: ReferenceError: Invalid left-hand side expression in prefix operation
 function f() { ++new.target }
                  ^^^^^^^^^^
-SyntaxError: Invalid left-hand side expression in prefix operation
+ReferenceError: Invalid left-hand side expression in prefix operation

test/mjsunit/es6/new-target.js

@@ -401,13 +401,13 @@ function get_new_target() { return new.target; }
 
 
 (function TestEarlyErrors() {
-  assertThrows(function() { Function("new.target = 42"); }, SyntaxError);
-  assertThrows(function() { Function("var foo = 1; new.target = foo = 42"); }, SyntaxError);
-  assertThrows(function() { Function("var foo = 1; foo = new.target = 42"); }, SyntaxError);
-  assertThrows(function() { Function("new.target--"); }, SyntaxError);
-  assertThrows(function() { Function("--new.target"); }, SyntaxError);
-  assertThrows(function() { Function("(new.target)++"); }, SyntaxError);
-  assertThrows(function() { Function("++(new.target)"); }, SyntaxError);
+  assertThrows(function() { Function("new.target = 42"); }, ReferenceError);
+  assertThrows(function() { Function("var foo = 1; new.target = foo = 42"); }, ReferenceError);
+  assertThrows(function() { Function("var foo = 1; foo = new.target = 42"); }, ReferenceError);
+  assertThrows(function() { Function("new.target--"); }, ReferenceError);
+  assertThrows(function() { Function("--new.target"); }, ReferenceError);
+  assertThrows(function() { Function("(new.target)++"); }, ReferenceError);
+  assertThrows(function() { Function("++(new.target)"); }, ReferenceError);
   assertThrows(function() { Function("for (new.target of {});"); }, SyntaxError);
 })();
 

test/mjsunit/es6/templates.js

@@ -725,20 +725,20 @@ var global = this;
 (function testTaggedTemplateInvalidAssignmentTargetStrict() {
   "use strict";
   function f() {}
-  assertThrows(() => Function("++f`foo`"), SyntaxError);
-  assertThrows(() => Function("f`foo`++"), SyntaxError);
-  assertThrows(() => Function("--f`foo`"), SyntaxError);
-  assertThrows(() => Function("f`foo`--"), SyntaxError);
-  assertThrows(() => Function("f`foo` = 1"), SyntaxError);
+  assertThrows(() => Function("++f`foo`"), ReferenceError);
+  assertThrows(() => Function("f`foo`++"), ReferenceError);
+  assertThrows(() => Function("--f`foo`"), ReferenceError);
+  assertThrows(() => Function("f`foo`--"), ReferenceError);
+  assertThrows(() => Function("f`foo` = 1"), ReferenceError);
 })();
 
 (function testTaggedTemplateInvalidAssignmentTargetSloppy() {
   function f() {}
-  assertThrows(() => Function("++f`foo`"), SyntaxError);
-  assertThrows(() => Function("f`foo`++"), SyntaxError);
-  assertThrows(() => Function("--f`foo`"), SyntaxError);
-  assertThrows(() => Function("f`foo`--"), SyntaxError);
-  assertThrows(() => Function("f`foo` = 1"), SyntaxError);
+  assertThrows(() => Function("++f`foo`"), ReferenceError);
+  assertThrows(() => Function("f`foo`++"), ReferenceError);
+  assertThrows(() => Function("--f`foo`"), ReferenceError);
+  assertThrows(() => Function("f`foo`--"), ReferenceError);
+  assertThrows(() => Function("f`foo` = 1"), ReferenceError);
 })();
 
 // Disable eval caching if a tagged template occurs in a nested function

test/mjsunit/es7/exponentiation-operator.js

@@ -264,13 +264,13 @@ function TestOverrideMathPow() {
 TestOverrideMathPow();
 
 function TestBadAssignmentLHS() {
-  assertThrows("if (false) { 17 **= 10; }", SyntaxError);
-  assertThrows("if (false) { '17' **= 10; }", SyntaxError);
-  assertThrows("if (false) { /17/ **= 10; }", SyntaxError);
+  assertThrows("if (false) { 17 **= 10; }", ReferenceError);
+  assertThrows("if (false) { '17' **= 10; }", ReferenceError);
+  assertThrows("if (false) { /17/ **= 10; }", ReferenceError);
   assertThrows("if (false) { ({ valueOf() { return 17; } } **= 10); }",
-               SyntaxError);
-  // TODO(caitp): a Call expression as LHS should be an early SyntaxError!
-  // assertThrows("if (false) { Array() **= 10; }", SyntaxError);
+               ReferenceError);
+  // TODO(caitp): a Call expression as LHS should be an early ReferenceError!
+  // assertThrows("if (false) { Array() **= 10; }", ReferenceError);
   assertThrows(() => Array() **= 10, ReferenceError);
 }
 TestBadAssignmentLHS();

test/mjsunit/invalid-lhs.js

@@ -29,23 +29,23 @@
 // exceptions are delayed until runtime.
 
 // Normal assignments:
-assertThrows("12 = 12", SyntaxError);
-assertThrows("x++ = 12", SyntaxError);
+assertThrows("12 = 12", ReferenceError);
+assertThrows("x++ = 12", ReferenceError);
 assertThrows("eval('var x') = 12", ReferenceError);
-assertThrows("if (false) 12 = 12", SyntaxError);
+assertThrows("if (false) 12 = 12", ReferenceError);
 assertDoesNotThrow("if (false) eval('var x') = 12");
 
 // Pre- and post-fix operations:
-assertThrows("12++", SyntaxError);
-assertThrows("12--", SyntaxError);
-assertThrows("++12", SyntaxError);
-assertThrows("--12", SyntaxError);
+assertThrows("12++", ReferenceError);
+assertThrows("12--", ReferenceError);
+assertThrows("++12", ReferenceError);
+assertThrows("--12", ReferenceError);
 assertThrows("++(eval('12'))", ReferenceError);
 assertThrows("(eval('12'))++", ReferenceError);
-assertThrows("if (false) 12++", SyntaxError);
-assertThrows("if (false) 12--", SyntaxError);
-assertThrows("if (false) ++12", SyntaxError);
-assertThrows("if (false) --12", SyntaxError);
+assertThrows("if (false) 12++", ReferenceError);
+assertThrows("if (false) 12--", ReferenceError);
+assertThrows("if (false) ++12", ReferenceError);
+assertThrows("if (false) --12", ReferenceError);
 assertDoesNotThrow("if (false) ++(eval('12'))");
 assertDoesNotThrow("if (false) (eval('12'))++");
 
@@ -56,19 +56,19 @@ assertThrows("if (false) for (12 in [1]) print(12);", SyntaxError);
 assertDoesNotThrow("if (false) for (eval('0') in [1]) print(12);");
 
 // For:
-assertThrows("for (12 = 1;;) print(12);", SyntaxError);
+assertThrows("for (12 = 1;;) print(12);", ReferenceError);
 assertThrows("for (eval('var x') = 1;;) print(12);", ReferenceError);
-assertThrows("if (false) for (12 = 1;;) print(12);", SyntaxError);
+assertThrows("if (false) for (12 = 1;;) print(12);", ReferenceError);
 assertDoesNotThrow("if (false) for (eval('var x') = 1;;) print(12);");
 
 // Assignments to 'this'.
-assertThrows("this = 42", SyntaxError);
-assertThrows("function f() { this = 12; }", SyntaxError);
+assertThrows("this = 42", ReferenceError);
+assertThrows("function f() { this = 12; }", ReferenceError);
 assertThrows("for (this in {x:3, y:4, z:5}) ;", SyntaxError);
-assertThrows("for (this = 0;;) ;", SyntaxError);
-assertThrows("this++", SyntaxError);
-assertThrows("++this", SyntaxError);
-assertThrows("this--", SyntaxError);
-assertThrows("--this", SyntaxError);
-assertThrows("if (false) this = 42", SyntaxError);
-assertThrows("if (false) this++", SyntaxError);
+assertThrows("for (this = 0;;) ;", ReferenceError);
+assertThrows("this++", ReferenceError);
+assertThrows("++this", ReferenceError);
+assertThrows("this--", ReferenceError);
+assertThrows("--this", ReferenceError);
+assertThrows("if (false) this = 42", ReferenceError);
+assertThrows("if (false) this++", ReferenceError);

test/mjsunit/regress/regress-8630.js

@@ -7,7 +7,7 @@
 // Parameters can't have parentheses (both patterns and identifiers)
 assertThrows("( ({x: 1}) ) => {};", SyntaxError);
 assertThrows("( (x) ) => {}", SyntaxError);
-assertThrows("( ({x: 1}) = y ) => {}", SyntaxError);
+assertThrows("( ({x: 1}) = y ) => {}", ReferenceError);
 assertThrows("( (x) = y ) => {}", SyntaxError);
 
 // Declarations can't have parentheses (both patterns and identifiers)
@@ -21,8 +21,8 @@ assertThrows("var [({x: 1}) = y] = [];", SyntaxError);
 assertThrows("var [(x) = y] = [];", SyntaxError);
 
 // Patterns can't have parentheses in assignments either
-assertThrows("[({x: 1}) = y] = [];", SyntaxError);
-assertThrows("({a,b}) = {a:2,b:3}", SyntaxError);
+assertThrows("[({x: 1}) = y] = [];", ReferenceError);
+assertThrows("({a,b}) = {a:2,b:3}", ReferenceError);
 
 // Parentheses are fine around identifiers in assignments though, even inside a
 // pattern

test/mjsunit/regress/regress-900585.js

@@ -2,4 +2,4 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-assertThrows("/*for..in*/for(var [x5, functional] = this = function(id) { return id } in false) var x2, x;", SyntaxError);
+assertThrows("/*for..in*/for(var [x5, functional] = this = function(id) { return id } in false) var x2, x;", ReferenceError);

test/mjsunit/regress/regress-crbug-351658.js

@@ -10,5 +10,5 @@ try {
   f();
   assertUnreachable();
 } catch(e) {
-  assertTrue(e instanceof SyntaxError);
+  assertTrue(e instanceof ReferenceError);
 }

test/test262/test262.status

@@ -901,23 +901,23 @@
   'language/expressions/dynamic-import/reuse-namespace-object': [SKIP],
   'language/expressions/dynamic-import/reuse-namespace-object-from-import': [SKIP],
   'language/expressions/dynamic-import/reuse-namespace-object-from-script': [SKIP],
-  'language/expressions/dynamic-import/syntax/invalid/invalid-assignmenttargettype-syntax-error-10-lhs-assignment-operator-assignment-expression': [SKIP],
-  'language/expressions/dynamic-import/syntax/invalid/invalid-assignmenttargettype-syntax-error-11-lhs-assignment-operator-assignment-expression': [SKIP],
-  'language/expressions/dynamic-import/syntax/invalid/invalid-assignmenttargettype-syntax-error-12-lhs-assignment-operator-assignment-expression': [SKIP],
-  'language/expressions/dynamic-import/syntax/invalid/invalid-assignmenttargettype-syntax-error-13-lhs-assignment-operator-assignment-expression': [SKIP],
-  'language/expressions/dynamic-import/syntax/invalid/invalid-assignmenttargettype-syntax-error-14-lhs-assignment-operator-assignment-expression': [SKIP],
-  'language/expressions/dynamic-import/syntax/invalid/invalid-assignmenttargettype-syntax-error-15-lhs-assignment-operator-assignment-expression': [SKIP],
-  'language/expressions/dynamic-import/syntax/invalid/invalid-assignmenttargettype-syntax-error-16-lhs-assignment-operator-assignment-expression': [SKIP],
-  'language/expressions/dynamic-import/syntax/invalid/invalid-assignmenttargettype-syntax-error-17-lhs-assignment-operator-assignment-expression': [SKIP],
-  'language/expressions/dynamic-import/syntax/invalid/invalid-assignmenttargettype-syntax-error-1-update-expression': [SKIP],
-  'language/expressions/dynamic-import/syntax/invalid/invalid-assignmenttargettype-syntax-error-2-update-expression': [SKIP],
-  'language/expressions/dynamic-import/syntax/invalid/invalid-assignmenttargettype-syntax-error-3-update-expression': [SKIP],
-  'language/expressions/dynamic-import/syntax/invalid/invalid-assignmenttargettype-syntax-error-4-update-expression': [SKIP],
-  'language/expressions/dynamic-import/syntax/invalid/invalid-assignmenttargettype-syntax-error-5-lhs-equals-assignment-expression': [SKIP],
-  'language/expressions/dynamic-import/syntax/invalid/invalid-assignmenttargettype-syntax-error-6-lhs-assignment-operator-assignment-expression': [SKIP],
-  'language/expressions/dynamic-import/syntax/invalid/invalid-assignmenttargettype-syntax-error-7-lhs-assignment-operator-assignment-expression': [SKIP],
-  'language/expressions/dynamic-import/syntax/invalid/invalid-assignmenttargettype-syntax-error-8-lhs-assignment-operator-assignment-expression': [SKIP],
-  'language/expressions/dynamic-import/syntax/invalid/invalid-assignmenttargettype-syntax-error-9-lhs-assignment-operator-assignment-expression': [SKIP],
+  'language/expressions/dynamic-import/syntax/invalid/invalid-asssignmenttargettype-reference-error-10-lhs-assignment-operator-assignment-expression': [SKIP],
+  'language/expressions/dynamic-import/syntax/invalid/invalid-asssignmenttargettype-reference-error-11-lhs-assignment-operator-assignment-expression': [SKIP],
+  'language/expressions/dynamic-import/syntax/invalid/invalid-asssignmenttargettype-reference-error-12-lhs-assignment-operator-assignment-expression': [SKIP],
+  'language/expressions/dynamic-import/syntax/invalid/invalid-asssignmenttargettype-reference-error-13-lhs-assignment-operator-assignment-expression': [SKIP],
+  'language/expressions/dynamic-import/syntax/invalid/invalid-asssignmenttargettype-reference-error-14-lhs-assignment-operator-assignment-expression': [SKIP],
+  'language/expressions/dynamic-import/syntax/invalid/invalid-asssignmenttargettype-reference-error-15-lhs-assignment-operator-assignment-expression': [SKIP],
+  'language/expressions/dynamic-import/syntax/invalid/invalid-asssignmenttargettype-reference-error-16-lhs-assignment-operator-assignment-expression': [SKIP],
+  'language/expressions/dynamic-import/syntax/invalid/invalid-asssignmenttargettype-reference-error-17-lhs-assignment-operator-assignment-expression': [SKIP],
+  'language/expressions/dynamic-import/syntax/invalid/invalid-asssignmenttargettype-reference-error-1-update-expression': [SKIP],
+  'language/expressions/dynamic-import/syntax/invalid/invalid-asssignmenttargettype-reference-error-2-update-expression': [SKIP],
+  'language/expressions/dynamic-import/syntax/invalid/invalid-asssignmenttargettype-reference-error-3-update-expression': [SKIP],
+  'language/expressions/dynamic-import/syntax/invalid/invalid-asssignmenttargettype-reference-error-4-update-expression': [SKIP],
+  'language/expressions/dynamic-import/syntax/invalid/invalid-asssignmenttargettype-reference-error-5-lhs-equals-assignment-expression': [SKIP],
+  'language/expressions/dynamic-import/syntax/invalid/invalid-asssignmenttargettype-reference-error-6-lhs-assignment-operator-assignment-expression': [SKIP],
+  'language/expressions/dynamic-import/syntax/invalid/invalid-asssignmenttargettype-reference-error-7-lhs-assignment-operator-assignment-expression': [SKIP],
+  'language/expressions/dynamic-import/syntax/invalid/invalid-asssignmenttargettype-reference-error-8-lhs-assignment-operator-assignment-expression': [SKIP],
+  'language/expressions/dynamic-import/syntax/invalid/invalid-asssignmenttargettype-reference-error-9-lhs-assignment-operator-assignment-expression': [SKIP],
   'language/expressions/dynamic-import/syntax/invalid/nested-arrow-assignment-expression-assignment-expr-not-optional': [SKIP],
   'language/expressions/dynamic-import/syntax/invalid/nested-arrow-assignment-expression-no-new-call-expression': [SKIP],
   'language/expressions/dynamic-import/syntax/invalid/nested-arrow-assignment-expression-no-rest-param': [SKIP],

test/webkit/fast/js/basic-strict-mode-expected.txt

@@ -153,22 +153,22 @@ PASS (function (){'use strict'; function f() { --arguments }}) threw exception S
 PASS 'use strict'; function f() { arguments-- } threw exception SyntaxError: Unexpected eval or arguments in strict mode.
 PASS (function (){'use strict'; function f() { arguments-- }}) threw exception SyntaxError: Unexpected eval or arguments in strict mode.
 PASS global.eval('"use strict"; if (0) ++arguments; true;') threw exception SyntaxError: Unexpected eval or arguments in strict mode.
-PASS 'use strict'; ++(1, eval) threw exception SyntaxError: Invalid left-hand side expression in prefix operation.
-PASS (function (){'use strict'; ++(1, eval)}) threw exception SyntaxError: Invalid left-hand side expression in prefix operation.
-PASS 'use strict'; (1, eval)++ threw exception SyntaxError: Invalid left-hand side expression in postfix operation.
-PASS (function (){'use strict'; (1, eval)++}) threw exception SyntaxError: Invalid left-hand side expression in postfix operation.
-PASS 'use strict'; --(1, eval) threw exception SyntaxError: Invalid left-hand side expression in prefix operation.
-PASS (function (){'use strict'; --(1, eval)}) threw exception SyntaxError: Invalid left-hand side expression in prefix operation.
-PASS 'use strict'; (1, eval)-- threw exception SyntaxError: Invalid left-hand side expression in postfix operation.
-PASS (function (){'use strict'; (1, eval)--}) threw exception SyntaxError: Invalid left-hand side expression in postfix operation.
-PASS 'use strict'; function f() { ++(1, arguments) } threw exception SyntaxError: Invalid left-hand side expression in prefix operation.
-PASS (function (){'use strict'; function f() { ++(1, arguments) }}) threw exception SyntaxError: Invalid left-hand side expression in prefix operation.
-PASS 'use strict'; function f() { (1, arguments)++ } threw exception SyntaxError: Invalid left-hand side expression in postfix operation.
-PASS (function (){'use strict'; function f() { (1, arguments)++ }}) threw exception SyntaxError: Invalid left-hand side expression in postfix operation.
-PASS 'use strict'; function f() { --(1, arguments) } threw exception SyntaxError: Invalid left-hand side expression in prefix operation.
-PASS (function (){'use strict'; function f() { --(1, arguments) }}) threw exception SyntaxError: Invalid left-hand side expression in prefix operation.
-PASS 'use strict'; function f() { (1, arguments)-- } threw exception SyntaxError: Invalid left-hand side expression in postfix operation.
-PASS (function (){'use strict'; function f() { (1, arguments)-- }}) threw exception SyntaxError: Invalid left-hand side expression in postfix operation.
+PASS 'use strict'; ++(1, eval) threw exception ReferenceError: Invalid left-hand side expression in prefix operation.
+PASS (function (){'use strict'; ++(1, eval)}) threw exception ReferenceError: Invalid left-hand side expression in prefix operation.
+PASS 'use strict'; (1, eval)++ threw exception ReferenceError: Invalid left-hand side expression in postfix operation.
+PASS (function (){'use strict'; (1, eval)++}) threw exception ReferenceError: Invalid left-hand side expression in postfix operation.
+PASS 'use strict'; --(1, eval) threw exception ReferenceError: Invalid left-hand side expression in prefix operation.
+PASS (function (){'use strict'; --(1, eval)}) threw exception ReferenceError: Invalid left-hand side expression in prefix operation.
+PASS 'use strict'; (1, eval)-- threw exception ReferenceError: Invalid left-hand side expression in postfix operation.
+PASS (function (){'use strict'; (1, eval)--}) threw exception ReferenceError: Invalid left-hand side expression in postfix operation.
+PASS 'use strict'; function f() { ++(1, arguments) } threw exception ReferenceError: Invalid left-hand side expression in prefix operation.
+PASS (function (){'use strict'; function f() { ++(1, arguments) }}) threw exception ReferenceError: Invalid left-hand side expression in prefix operation.
+PASS 'use strict'; function f() { (1, arguments)++ } threw exception ReferenceError: Invalid left-hand side expression in postfix operation.
+PASS (function (){'use strict'; function f() { (1, arguments)++ }}) threw exception ReferenceError: Invalid left-hand side expression in postfix operation.
+PASS 'use strict'; function f() { --(1, arguments) } threw exception ReferenceError: Invalid left-hand side expression in prefix operation.
+PASS (function (){'use strict'; function f() { --(1, arguments) }}) threw exception ReferenceError: Invalid left-hand side expression in prefix operation.
+PASS 'use strict'; function f() { (1, arguments)-- } threw exception ReferenceError: Invalid left-hand side expression in postfix operation.
+PASS (function (){'use strict'; function f() { (1, arguments)-- }}) threw exception ReferenceError: Invalid left-hand side expression in postfix operation.
 FAIL 'use strict'; undefined; if (0) delete +a.b should throw an exception. Was undefined.
 FAIL (function (){'use strict'; undefined; if (0) delete +a.b}) should throw an exception. Was function (){'use strict'; undefined; if (0) delete +a.b}.
 FAIL 'use strict'; undefined; if (0) delete ++a.b should throw an exception. Was undefined.

test/webkit/fast/js/function-toString-parentheses.js

@@ -127,7 +127,7 @@ for (i = 0; i < assignmentOperators.length; ++i) {
         testRightAssociativeSame("=", op);
     testLowerFirst(op, "+");
     shouldThrow("compileAndSerialize('a + b " + op + " c')");
-    shouldThrow("compileAndSerialize('(a + b) " + op + " c')");
+    testKeepParentheses("(a + b) " + op + " c");
     testKeepParentheses("a + (b " + op + " c)");
 }
 
@@ -138,10 +138,7 @@ for (i = 0; i < prefixOperators.length; ++i) {
     var op = prefixOperators[i] + prefixOperatorSpace[i];
     testKeepParentheses("" + op + "a + b");
     testOptionalParentheses("(" + op + "a) + b");
-    if (prefixOperators[i] !== "++" && prefixOperators[i] !== "--")
-        testKeepParentheses("" + op + "(a + b)");
-    else
-        shouldThrow("compileAndSerialize('" + op + "(a + b)')");
+    testKeepParentheses("" + op + "(a + b)");
     testKeepParentheses("!" + op + "a");
     testOptionalParentheses("!(" + op + "a)");
 }
@@ -149,11 +146,11 @@ for (i = 0; i < prefixOperators.length; ++i) {
 
 testKeepParentheses("!a++");
 testOptionalParentheses("!(a++)");
-shouldThrow("compileAndSerialize('(!a)++')");
+testKeepParentheses("(!a)++");
 
 testKeepParentheses("!a--");
 testOptionalParentheses("!(a--)");
-shouldThrow("compileAndSerialize('(!a)--')");
+testKeepParentheses("(!a)--");
 
 testKeepParentheses("(-1)[a]");
 testKeepParentheses("(-1)[a] = b");
@@ -208,9 +205,9 @@ testKeepParentheses("(1).a()");
 
 for (i = 0; i < assignmentOperators.length; ++i) {
     var op = assignmentOperators[i];
-    shouldThrow("compileAndSerialize('(-1) " + op + " a')");
-    shouldThrow("compileAndSerialize('(- 0) " + op + " a')");
-    shouldThrow("compileAndSerialize('1 " + op + " a')");
+    testKeepParentheses("(-1) " + op + " a");
+    testKeepParentheses("(- 0) " + op + " a");
+    testKeepParentheses("1 " + op + " a");
 }
 
 shouldBe("compileAndSerializeLeftmostTest('({ }).x')", "'({ }).x'");

test/webkit/fast/js/parser-syntax-check-expected.txt

@@ -47,32 +47,32 @@ PASS Invalid: "new -a"
 PASS Invalid: "function f() { new -a }"
 PASS Valid:   "new (-1)"
 PASS Valid:   "function f() { new (-1) }"
-PASS Invalid: "a: b: c: new f(x++)++"
-PASS Invalid: "function f() { a: b: c: new f(x++)++ }"
+PASS Valid:   "a: b: c: new f(x++)++"
+PASS Valid:   "function f() { a: b: c: new f(x++)++ }"
 PASS Valid:   "(a)++"
 PASS Valid:   "function f() { (a)++ }"
-PASS Invalid: "(1--).x"
-PASS Invalid: "function f() { (1--).x }"
+PASS Valid:   "(1--).x"
+PASS Valid:   "function f() { (1--).x }"
 PASS Invalid: "a-- ++"
 PASS Invalid: "function f() { a-- ++ }"
 PASS Invalid: "(a:) --b"
 PASS Invalid: "function f() { (a:) --b }"
-PASS Invalid: "++ -- ++ a"
-PASS Invalid: "function f() { ++ -- ++ a }"
-PASS Invalid: "++ new new a ++"
-PASS Invalid: "function f() { ++ new new a ++ }"
+PASS Valid:   "++ -- ++ a"
+PASS Valid:   "function f() { ++ -- ++ a }"
+PASS Valid:   "++ new new a ++"
+PASS Valid:   "function f() { ++ new new a ++ }"
 PASS Valid:   "delete void 0"
 PASS Valid:   "function f() { delete void 0 }"
 PASS Invalid: "delete the void"
 PASS Invalid: "function f() { delete the void }"
 PASS Invalid: "(a++"
 PASS Invalid: "function f() { (a++ }"
-PASS Invalid: "++a--"
-PASS Invalid: "function f() { ++a-- }"
-PASS Invalid: "++((a))--"
-PASS Invalid: "function f() { ++((a))-- }"
-PASS Invalid: "(a.x++)++"
-PASS Invalid: "function f() { (a.x++)++ }"
+PASS Valid:   "++a--"
+PASS Valid:   "function f() { ++a-- }"
+PASS Valid:   "++((a))--"
+PASS Valid:   "function f() { ++((a))-- }"
+PASS Valid:   "(a.x++)++"
+PASS Valid:   "function f() { (a.x++)++ }"
 PASS Invalid: "1: null"
 PASS Invalid: "function f() { 1: null }"
 PASS Invalid: "+-!~"
@@ -114,18 +114,18 @@ PASS Invalid: "a in instanceof b.l"
 PASS Invalid: "function f() { a in instanceof b.l }"
 PASS Valid:   "- - true % 5"
 PASS Valid:   "function f() { - - true % 5 }"
-PASS Invalid: "- false = 3"
-PASS Invalid: "function f() { - false = 3 }"
-PASS Invalid: "a: b: c: (1 + null) = 3"
-PASS Invalid: "function f() { a: b: c: (1 + null) = 3 }"
+FAIL Invalid: "- false = 3" should throw undefined
+FAIL Invalid: "function f() { - false = 3 }" should throw undefined
+PASS Valid:   "a: b: c: (1 + null) = 3"
+PASS Valid:   "function f() { a: b: c: (1 + null) = 3 }"
 PASS Valid:   "a[2] = b.l += c /= 4 * 7 ^ !6"
 PASS Valid:   "function f() { a[2] = b.l += c /= 4 * 7 ^ !6 }"
-PASS Invalid: "a + typeof b += c in d"
-PASS Invalid: "function f() { a + typeof b += c in d }"
-PASS Invalid: "typeof a &= typeof b"
-PASS Invalid: "function f() { typeof a &= typeof b }"
-PASS Invalid: "a: ((typeof (a))) >>>= a || b.l && c"
-PASS Invalid: "function f() { a: ((typeof (a))) >>>= a || b.l && c }"
+FAIL Invalid: "a + typeof b += c in d" should throw undefined
+FAIL Invalid: "function f() { a + typeof b += c in d }" should throw undefined
+FAIL Invalid: "typeof a &= typeof b" should throw undefined
+FAIL Invalid: "function f() { typeof a &= typeof b }" should throw undefined
+PASS Valid:   "a: ((typeof (a))) >>>= a || b.l && c"
+PASS Valid:   "function f() { a: ((typeof (a))) >>>= a || b.l && c }"
 PASS Valid:   "a: b: c[a /= f[a %= b]].l[c[x] = 7] -= a ? b <<= f : g"
 PASS Valid:   "function f() { a: b: c[a /= f[a %= b]].l[c[x] = 7] -= a ? b <<= f : g }"
 PASS Valid:   "-void+x['y'].l == x.l != 5 - f[7]"
@@ -133,8 +133,8 @@ PASS Valid:   "function f() { -void+x['y'].l == x.l != 5 - f[7] }"
 Function calls (and new with arguments)
 PASS Valid:   "a()()()"
 PASS Valid:   "function f() { a()()() }"
-PASS Invalid: "s: l: a[2](4 == 6, 5 = 6)(f[4], 6)"
-PASS Invalid: "function f() { s: l: a[2](4 == 6, 5 = 6)(f[4], 6) }"
+PASS Valid:   "s: l: a[2](4 == 6, 5 = 6)(f[4], 6)"
+PASS Valid:   "function f() { s: l: a[2](4 == 6, 5 = 6)(f[4], 6) }"
 PASS Valid:   "s: eval(a.apply(), b.call(c[5] - f[7]))"
 PASS Valid:   "function f() { s: eval(a.apply(), b.call(c[5] - f[7])) }"
 PASS Invalid: "a("
@@ -143,8 +143,8 @@ PASS Invalid: "a(5"
 PASS Invalid: "function f() { a(5 }"
 PASS Invalid: "a(5,"
 PASS Invalid: "function f() { a(5, }"
-PASS Valid:   "a(5,)"
-PASS Valid:   "function f() { a(5,) }"
+FAIL Invalid: "a(5,)" should throw undefined
+FAIL Invalid: "function f() { a(5,) }" should throw undefined
 PASS Invalid: "a(5,6"
 PASS Invalid: "function f() { a(5,6 }"
 PASS Valid:   "a(b[7], c <d> e.l, new a() > b)"
@@ -178,8 +178,8 @@ PASS Invalid: "function () {}"
 PASS Invalid: "function f() { function () {} }"
 PASS Invalid: "function f(a b) {}"
 PASS Invalid: "function f() { function f(a b) {} }"
-PASS Valid:   "function f(a,) {}"
-PASS Valid:   "function f() { function f(a,) {} }"
+FAIL Invalid: "function f(a,) {}" should throw undefined
+FAIL Invalid: "function f() { function f(a,) {} }" should throw undefined
 PASS Invalid: "function f(a,"
 PASS Invalid: "function f() { function f(a, }"
 PASS Invalid: "function f(a, 1) {}"
@@ -341,8 +341,8 @@ PASS Invalid: "var a = if (b) { c }"
 PASS Invalid: "function f() { var a = if (b) { c } }"
 PASS Invalid: "var a = var b"
 PASS Invalid: "function f() { var a = var b }"
-PASS Invalid: "const a = b += c, a, a, a = (b - f())"
-PASS Invalid: "function f() { const a = b += c, a, a, a = (b - f()) }"
+FAIL Valid:   "const a = b += c, a, a, a = (b - f())" should NOT throw
+FAIL Valid:   "function f() { const a = b += c, a, a, a = (b - f()) }" should NOT throw
 PASS Invalid: "var a %= b | 5"
 PASS Invalid: "function f() { var a %= b | 5 }"
 PASS Invalid: "var (a) = 5"
@@ -355,10 +355,10 @@ PASS Invalid: "var var = 3"
 PASS Invalid: "function f() { var var = 3 }"
 PASS Valid:   "var varr = 3 in 1"
 PASS Valid:   "function f() { var varr = 3 in 1 }"
-PASS Invalid: "const a, a, a = void 7 - typeof 8, a = 8"
-PASS Invalid: "function f() { const a, a, a = void 7 - typeof 8, a = 8 }"
-PASS Invalid: "const x_x = 6 /= 7 ? e : f"
-PASS Invalid: "function f() { const x_x = 6 /= 7 ? e : f }"
+FAIL Valid:   "const a, a, a = void 7 - typeof 8, a = 8" should NOT throw
+FAIL Valid:   "function f() { const a, a, a = void 7 - typeof 8, a = 8 }" should NOT throw
+PASS Valid:   "const x_x = 6 /= 7 ? e : f"
+PASS Valid:   "function f() { const x_x = 6 /= 7 ? e : f }"
 PASS Invalid: "var a = ?"
 PASS Invalid: "function f() { var a = ? }"
 PASS Invalid: "const a = *7"
@@ -452,8 +452,8 @@ PASS Invalid: "for ((a ? b : c) in c) break"
 PASS Invalid: "function f() { for ((a ? b : c) in c) break }"
 PASS Valid:   "for (var a in b in c) break"
 PASS Valid:   "function f() { for (var a in b in c) break }"
-PASS Invalid: "for (var a = 5 += 6 in b) break"
-PASS Invalid: "function f() { for (var a = 5 += 6 in b) break }"
+PASS Valid:   "for (var a = 5 += 6 in b) break"
+PASS Valid:   "function f() { for (var a = 5 += 6 in b) break }"
 PASS Invalid: "for (var a += 5 in b) break"
 PASS Invalid: "function f() { for (var a += 5 in b) break }"
 PASS Invalid: "for (var a = in b) break"
@@ -470,8 +470,8 @@ PASS Invalid: "for (var a = (b in c in d) break"
 PASS Invalid: "function f() { for (var a = (b in c in d) break }"
 PASS Invalid: "for (var (a) in b) { }"
 PASS Invalid: "function f() { for (var (a) in b) { } }"
-PASS Invalid: "for (var a = 7, b = c < d >= d ; f()[6]++ ; --i()[1]++ ) {}"
-PASS Invalid: "function f() { for (var a = 7, b = c < d >= d ; f()[6]++ ; --i()[1]++ ) {} }"
+PASS Valid:   "for (var a = 7, b = c < d >= d ; f()[6]++ ; --i()[1]++ ) {}"
+PASS Valid:   "function f() { for (var a = 7, b = c < d >= d ; f()[6]++ ; --i()[1]++ ) {} }"
 try statement
 PASS Valid:   "try {} finally { c++ }"
 PASS Valid:   "function f() { try {} finally { c++ } }"
@@ -582,8 +582,8 @@ PASS Valid:   "if (0) obj.foo\u03bb; "
 PASS Valid:   "function f() { if (0) obj.foo\u03bb;  }"
 PASS Valid:   "if (0) new a(b+c).d = 5"
 PASS Valid:   "function f() { if (0) new a(b+c).d = 5 }"
-PASS Invalid: "if (0) new a(b+c) = 5"
-PASS Invalid: "function f() { if (0) new a(b+c) = 5 }"
+PASS Valid:   "if (0) new a(b+c) = 5"
+PASS Valid:   "function f() { if (0) new a(b+c) = 5 }"
 PASS Valid:   "([1 || 1].a = 1)"
 PASS Valid:   "function f() { ([1 || 1].a = 1) }"
 PASS Valid:   "({a: 1 || 1}.a = 1)"

test/webkit/fast/js/parser-syntax-check.js

@@ -85,19 +85,19 @@ invalid("a.'l'");
 valid  ("a: +~!new a");
 invalid("new -a");
 valid  ("new (-1)")
-invalid("a: b: c: new f(x++)++")
+valid  ("a: b: c: new f(x++)++")
 valid  ("(a)++");
-invalid("(1--).x");
+valid  ("(1--).x");
 invalid("a-- ++");
 invalid("(a:) --b");
-invalid("++ -- ++ a");
-invalid("++ new new a ++");
+valid  ("++ -- ++ a");
+valid  ("++ new new a ++");
 valid  ("delete void 0");
 invalid("delete the void");
 invalid("(a++");
-invalid("++a--");
-invalid("++((a))--");
-invalid("(a.x++)++");
+valid  ("++a--");
+valid  ("++((a))--");
+valid  ("(a.x++)++");
 invalid("1: null");
 invalid("+-!~");
 invalid("+-!~((");
@@ -122,23 +122,23 @@ valid  ("a in b instanceof delete -c");
 invalid("a in instanceof b.l");
 valid  ("- - true % 5");
 invalid("- false = 3");
-invalid("a: b: c: (1 + null) = 3");
+valid  ("a: b: c: (1 + null) = 3");
 valid  ("a[2] = b.l += c /= 4 * 7 ^ !6");
 invalid("a + typeof b += c in d");
 invalid("typeof a &= typeof b");
-invalid("a: ((typeof (a))) >>>= a || b.l && c");
+valid  ("a: ((typeof (a))) >>>= a || b.l && c");
 valid  ("a: b: c[a /= f[a %= b]].l[c[x] = 7] -= a ? b <<= f : g");
 valid  ("-void+x['y'].l == x.l != 5 - f[7]");
 
 debug  ("Function calls (and new with arguments)");
 
 valid  ("a()()()");
-invalid("s: l: a[2](4 == 6, 5 = 6)(f[4], 6)");
+valid  ("s: l: a[2](4 == 6, 5 = 6)(f[4], 6)");
 valid  ("s: eval(a.apply(), b.call(c[5] - f[7]))");
 invalid("a(");
 invalid("a(5");
 invalid("a(5,");
-valid("a(5,)");
+invalid("a(5,)");
 invalid("a(5,6");
 valid  ("a(b[7], c <d> e.l, new a() > b)");
 invalid("a(b[5)");
@@ -158,7 +158,7 @@ valid  ("function f() {}");
 valid  ("function f(a,b) {}");
 invalid("function () {}");
 invalid("function f(a b) {}");
-valid("function f(a,) {}");
+invalid("function f(a,) {}");
 invalid("function f(a,");
 invalid("function f(a, 1) {}");
 valid  ("function g(arguments, eval) {}");
@@ -248,15 +248,15 @@ invalid("var 5 = 6");
 valid  ("while (0) var a, b, c=6, d, e, f=5*6, g=f*h, h");
 invalid("var a = if (b) { c }");
 invalid("var a = var b");
-invalid("const a = b += c, a, a, a = (b - f())");
+valid  ("const a = b += c, a, a, a = (b - f())");
 invalid("var a %= b | 5");
 invalid("var (a) = 5");
 invalid("var a = (4, b = 6");
 invalid("const 'l' = 3");
 invalid("var var = 3");
 valid  ("var varr = 3 in 1");
-invalid("const a, a, a = void 7 - typeof 8, a = 8");
-invalid("const x_x = 6 /= 7 ? e : f");
+valid  ("const a, a, a = void 7 - typeof 8, a = 8");
+valid  ("const x_x = 6 /= 7 ? e : f");
 invalid("var a = ?");
 invalid("const a = *7");
 invalid("var a = :)");
@@ -306,7 +306,7 @@ invalid("for ((a, b) in c) break");
 invalid("for (a ? b : c in c) break");
 invalid("for ((a ? b : c) in c) break");
 valid  ("for (var a in b in c) break");
-invalid("for (var a = 5 += 6 in b) break");
+valid  ("for (var a = 5 += 6 in b) break");
 invalid("for (var a += 5 in b) break");
 invalid("for (var a = in b) break");
 invalid("for (var a, b in b) break");
@@ -315,7 +315,7 @@ invalid("for (var a, b = 8 in b) break");
 valid  ("for (var a = (b in c) in d) break");
 invalid("for (var a = (b in c in d) break");
 invalid("for (var (a) in b) { }");
-invalid("for (var a = 7, b = c < d >= d ; f()[6]++ ; --i()[1]++ ) {}");
+valid  ("for (var a = 7, b = c < d >= d ; f()[6]++ ; --i()[1]++ ) {}");
 
 debug  ("try statement");
 
@@ -379,7 +379,7 @@ valid("if (0) obj.foo$; ")
 valid("if (0) obj.foo_; ")
 valid("if (0) obj.foo\\u03bb; ")
 valid("if (0) new a(b+c).d = 5");
-invalid("if (0) new a(b+c) = 5");
+valid("if (0) new a(b+c) = 5");
 valid("([1 || 1].a = 1)");
 valid("({a: 1 || 1}.a = 1)");
 

test/webkit/parser-xml-close-comment-expected.txt

@@ -26,9 +26,9 @@ Test to ensure correct handling of --> as a single line comment when at the begi
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
-PASS 'should be a syntax error' --> threw exception SyntaxError: Invalid left-hand side expression in postfix operation.
-PASS /**/ 1 --> threw exception SyntaxError: Invalid left-hand side expression in postfix operation.
-PASS 1 /**/ --> threw exception SyntaxError: Invalid left-hand side expression in postfix operation.
+PASS 'should be a syntax error' --> threw exception ReferenceError: Invalid left-hand side expression in postfix operation.
+PASS /**/ 1 --> threw exception ReferenceError: Invalid left-hand side expression in postfix operation.
+PASS 1 /**/ --> threw exception ReferenceError: Invalid left-hand side expression in postfix operation.
 PASS 1/*
 */--> is 1
 PASS --> is undefined.