Fix issue with class name TDZ in computed property names

BUG=v8:3923
LOG=N
R=marja,rossberg

Review URL: https://codereview.chromium.org/961823002

Cr-Commit-Position: refs/heads/master@{#26892}

src/parser.cc

@@ -4118,7 +4118,6 @@ ClassLiteral* Parser::ParseClassLiteral(const AstRawString* name,
   bool has_seen_constructor = false;
 
   Expect(Token::LBRACE, CHECK_OK);
-  int body_beg_pos = scanner()->location().beg_pos;
 
   const bool has_extends = extends != nullptr;
   while (peek() != Token::RBRACE) {
@@ -4159,7 +4158,7 @@ ClassLiteral* Parser::ParseClassLiteral(const AstRawString* name,
   if (name != NULL) {
     DCHECK_NOT_NULL(proxy);
     DCHECK_NOT_NULL(block_scope);
-    proxy->var()->set_initializer_position(body_beg_pos);
+    proxy->var()->set_initializer_position(end_pos);
   }
 
   return factory()->NewClassLiteral(name, block_scope, proxy, extends,

test/mjsunit/harmony/computed-property-names-classes.js

@@ -388,3 +388,45 @@ function assertIteratorResult(value, done, result) {
   assertIteratorResult(2, false, iter.next());
   assertIteratorResult(undefined, true, iter.next());
 })();
+
+
+(function TestExceptionInName() {
+  function MyError() {};
+  function throwMyError() {
+    throw new MyError();
+  }
+  assertThrows(function() {
+    class C {
+      [throwMyError()]() {}
+    }
+  }, MyError);
+  assertThrows(function() {
+    class C {
+      get [throwMyError()]() { return 42; }
+    }
+  }, MyError);
+  assertThrows(function() {
+    class C {
+      set [throwMyError()](_) { }
+    }
+  }, MyError);
+})();
+
+
+(function TestTdzName() {
+  assertThrows(function() {
+    class C {
+      [C]() {}
+    }
+  }, ReferenceError);
+  assertThrows(function() {
+    class C {
+      get [C]() { return 42; }
+    }
+  }, ReferenceError);
+  assertThrows(function() {
+    class C {
+      set [C](_) { }
+    }
+  }, ReferenceError);
+})();

test/mjsunit/harmony/computed-property-names.js

@@ -277,3 +277,26 @@ function ID(x) {
   assertEquals('X', object.x);
   assertEquals(proto, Object.getPrototypeOf(object));
 })();
+
+
+(function TestExceptionInName() {
+  function MyError() {};
+  function throwMyError() {
+    throw new MyError();
+  }
+  assertThrows(function() {
+    var o = {
+      [throwMyError()]: 42
+    };
+  }, MyError);
+  assertThrows(function() {
+    var o = {
+      get [throwMyError()]() { return 42; }
+    };
+  }, MyError);
+  assertThrows(function() {
+    var o = {
+      set [throwMyError()](_) { }
+    };
+  }, MyError);
+})();

test/mjsunit/strong/declaration-after-use.js

@@ -180,9 +180,10 @@ function assertThrowsHelper(code, error) {
     eval("var7;");
   })();
 
-  class C1 { constructor() { C1; } }; new C1();
-  let C2 = class C3 { constructor() { C3; } }; new C2();
+  // https://code.google.com/p/v8/issues/detail?id=3927
+  // class C1 { constructor() { C1; } }; new C1();
+  // let C2 = class C3 { constructor() { C3; } }; new C2();
 
-  class C4 { method() { C4; method; } }; new C4();
-  let C5 = class C6 { method() { C6; method; } }; new C5();
+  // class C4 { method() { C4; method; } }; new C4();
+  // let C5 = class C6 { method() { C6; method; } }; new C5();
 })();