Handle overwriting valueOf on String objects correctly when adding...

src/ia32/macro-assembler-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 355 matching lines @@
   j(zero, &ok);
   cmp(FieldOperand(object, HeapObject::kMapOffset),
       Factory::heap_number_map());
   Assert(equal, "Operand not a number");
   bind(&ok);
 }
 
 
 void MacroAssembler::AbortIfNotSmi(Register object) {
   test(object, Immediate(kSmiTagMask));
-  Assert(equal, "Operand not a smi");
+  Assert(equal, "Operand is not a smi");
 }
 
 
 void MacroAssembler::AbortIfSmi(Register object) {
   test(object, Immediate(kSmiTagMask));
-  Assert(not_equal, "Operand a smi");
+  Assert(not_equal, "Operand is a smi");
 }
 
 
 void MacroAssembler::EnterFrame(StackFrame::Type type) {
   push(ebp);
   mov(ebp, Operand(esp));
   push(esi);
   push(Immediate(Smi::FromInt(type)));
   push(Immediate(CodeObject()));
   if (FLAG_debug_code) {
@@ skipping 1279 matching lines @@
 
   // Check that the code was patched as expected.
   ASSERT(masm_.pc_ == address_ + size_);
   ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32