Revert 6832.

The test contains a syntax error that shouldn't be detected, but it sometimes is.

TBR: kmillikin@chromium.org

Review URL: http://codereview.chromium.org/6519049

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6836 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/handles.cc

@@ -871,12 +871,10 @@ bool CompileLazyInLoop(Handle<JSFunction> function,
 }
 
 
-bool CompileOptimized(Handle<JSFunction> function,
-                      int osr_ast_id,
-                      ClearExceptionFlag flag) {
+bool CompileOptimized(Handle<JSFunction> function, int osr_ast_id) {
   CompilationInfo info(function);
   info.SetOptimizing(osr_ast_id);
-  bool result = CompileLazyHelper(&info, flag);
+  bool result = CompileLazyHelper(&info, KEEP_EXCEPTION);
   if (result) PROFILE(FunctionCreateEvent(*function));
   return result;
 }

src/handles.h

@@ -354,9 +354,7 @@ bool CompileLazy(Handle<JSFunction> function, ClearExceptionFlag flag);
 
 bool CompileLazyInLoop(Handle<JSFunction> function, ClearExceptionFlag flag);
 
-bool CompileOptimized(Handle<JSFunction> function,
-                      int osr_ast_id,
-                      ClearExceptionFlag flag);
+bool CompileOptimized(Handle<JSFunction> function, int osr_ast_id);
 
 class NoHandleAllocation BASE_EMBEDDED {
  public:

src/runtime.cc

@@ -7000,7 +7000,7 @@ static MaybeObject* Runtime_LazyRecompile(Arguments args) {
     function->ReplaceCode(function->shared()->code());
     return function->code();
   }
-  if (CompileOptimized(function, AstNode::kNoNumber, KEEP_EXCEPTION)) {
+  if (CompileOptimized(function, AstNode::kNoNumber)) {
     return function->code();
   }
   if (FLAG_trace_opt) {
@@ -7169,8 +7169,7 @@ static MaybeObject* Runtime_CompileForOnStackReplacement(Arguments args) {
     // Try to compile the optimized code.  A true return value from
     // CompileOptimized means that compilation succeeded, not necessarily
     // that optimization succeeded.
-    if (CompileOptimized(function, ast_id, CLEAR_EXCEPTION) &&
-        function->IsOptimized()) {
+    if (CompileOptimized(function, ast_id) && function->IsOptimized()) {
       DeoptimizationInputData* data = DeoptimizationInputData::cast(
           function->code()->deoptimization_data());
       if (data->OsrPcOffset()->value() >= 0) {
@@ -7213,9 +7212,6 @@ static MaybeObject* Runtime_CompileForOnStackReplacement(Arguments args) {
     ASSERT(function->code()->kind() == Code::OPTIMIZED_FUNCTION);
     return Smi::FromInt(ast_id);
   } else {
-    if (function->IsMarkedForLazyRecompilation()) {
-      function->ReplaceCode(function->shared()->code());
-    }
     return Smi::FromInt(-1);
   }
 }

test/mjsunit/regress/regress-1145.js

-// Copyright 2011 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-//       notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-//       copyright notice, this list of conditions and the following
-//       disclaimer in the documentation and/or other materials provided
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Flags: --opt-eagerly
-
-// See: http://code.google.com/p/v8/issues/detail?id=1145
-// Should not throw a syntax error exception (change this if we make lazily.
-// compiled functions with syntax errors into early errors).
-// Should not hit an assertion in debug mode.
-
-// A lazily compiled function with a syntax error that is attempted inlined
-// would set a pending exception that is then ignored (until it triggers
-// an assert).
-// This file must be at least 1024 bytes long to trigger lazy compilation.
-
-function f() { return 1; }
-
-// Must be lazy. Must throw SyntaxError during compilation.
-function fail() { continue; }
-
-function opt_me() {
-  var x = 1;
-  // Do lots of function calls and hope to be optimized.
-  for (var i = 0; i < 1000000; i++) {
-    x = f();
-  }
-  if (x == 0) fail();  // Hope to be inlined during optimization.
-}
-
-opt_me();