Split some SharedFunctionInfo's compiler hints off into debugger hints.

src/builtins/ia32/builtins-ia32.cc

Index: src/builtins/ia32/builtins-ia32.cc
diff --git a/src/builtins/ia32/builtins-ia32.cc b/src/builtins/ia32/builtins-ia32.cc
index c2785e6c34b9966438a0f4185d4db4456d0a349e..4d366f6a06fb474d7217cee9b8e072c1f6a54b26 100644
--- a/src/builtins/ia32/builtins-ia32.cc
+++ b/src/builtins/ia32/builtins-ia32.cc
@@ -534,9 +534,8 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
   // it is present) and load it into kInterpreterBytecodeArrayRegister.
   __ mov(eax, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
   Label load_debug_bytecode_array, bytecode_array_loaded;
-  __ cmp(FieldOperand(eax, SharedFunctionInfo::kDebugInfoOffset),
-         Immediate(DebugInfo::uninitialized()));
-  __ j(not_equal, &load_debug_bytecode_array);
+  __ JumpIfNotSmi(FieldOperand(eax, SharedFunctionInfo::kDebugInfoOffset),
+                  &load_debug_bytecode_array);
   __ mov(kInterpreterBytecodeArrayRegister,
          FieldOperand(eax, SharedFunctionInfo::kFunctionDataOffset));
   __ bind(&bytecode_array_loaded);