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

src/builtins/x64/builtins-x64.cc

Index: src/builtins/x64/builtins-x64.cc
diff --git a/src/builtins/x64/builtins-x64.cc b/src/builtins/x64/builtins-x64.cc
index 1fb77d9a40c4c8061cab55e9051a83b56197e582..b232077e6584f71ce99ee47d18d00b74b8bed61e 100644
--- a/src/builtins/x64/builtins-x64.cc
+++ b/src/builtins/x64/builtins-x64.cc
@@ -610,10 +610,8 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
   // it is present) and load it into kInterpreterBytecodeArrayRegister.
   __ movp(rax, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset));
   Label load_debug_bytecode_array, bytecode_array_loaded;
-  DCHECK_EQ(Smi::kZero, DebugInfo::uninitialized());
-  __ cmpp(FieldOperand(rax, SharedFunctionInfo::kDebugInfoOffset),
-          Immediate(0));
-  __ j(not_equal, &load_debug_bytecode_array);
+  __ JumpIfNotSmi(FieldOperand(rax, SharedFunctionInfo::kDebugInfoOffset),
+                  &load_debug_bytecode_array);
   __ movp(kInterpreterBytecodeArrayRegister,
           FieldOperand(rax, SharedFunctionInfo::kFunctionDataOffset));
   __ bind(&bytecode_array_loaded);