Compile without debugger support in debug mode...

src/ia32/codegen-ia32.cc

 // Copyright 2006-2009 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
@@ skipping 2525 matching lines @@
   // Add a label for checking the size of the code used for returning.
   Label check_exit_codesize;
   masm_->bind(&check_exit_codesize);
 
   // Leave the frame and return popping the arguments and the
   // receiver.
   frame_->Exit();
   masm_->ret((scope_->num_parameters() + 1) * kPointerSize);
   DeleteFrame();
 
+#ifdef ENABLE_DEBUGGER_SUPPORT

[Erik Corry, 2009/09/29 09:01:16]

Do we need to make the same change for other architectures?

[Søren Thygesen Gjesse, 2009/09/29 09:20:51]

It is already taken care of in for x64, and for ARM it is not there.

   // Check that the size of the code used for returning matches what is
   // expected by the debugger.
   ASSERT_EQ(Debug::kIa32JSReturnSequenceLength,
             masm_->SizeOfCodeGeneratedSince(&check_exit_codesize));
+#endif
 }
 
 
 void CodeGenerator::VisitWithEnterStatement(WithEnterStatement* node) {
   ASSERT(!in_spilled_code());
   Comment cmnt(masm_, "[ WithEnterStatement");
   CodeForStatementPosition(node);
   Load(node->expression());
   Result context;
   if (node->is_catch_block()) {
@@ skipping 5410 matching lines @@
 
 int CompareStub::MinorKey() {
   // Encode the two parameters in a unique 16 bit value.
   ASSERT(static_cast<unsigned>(cc_) < (1 << 15));
   return (static_cast<unsigned>(cc_) << 1) | (strict_ ? 1 : 0);
 }
 
 #undef __
 
 } }  // namespace v8::internal