| Index: src/arm/builtins-arm.cc | 
| diff --git a/src/arm/builtins-arm.cc b/src/arm/builtins-arm.cc | 
| index 9186c358b93ed1dc9b0889735c071cc059477947..79f1cda6e3e70742f23e42c69938524134b9cf21 100644 | 
| --- a/src/arm/builtins-arm.cc | 
| +++ b/src/arm/builtins-arm.cc | 
| @@ -235,8 +235,8 @@ void Builtins::Generate_StringConstructCode(MacroAssembler* masm) { | 
| __ IncrementCounter(counters->string_ctor_conversions(), 1, r3, r4); | 
| { | 
| FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); | 
| -    __ push(r0); | 
| -    __ InvokeBuiltin(Context::TO_STRING_BUILTIN_INDEX, CALL_FUNCTION); | 
| +    ToStringStub stub(masm->isolate()); | 
| +    __ CallStub(&stub); | 
| } | 
| __ pop(function); | 
| __ mov(argument, r0); | 
|  |