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

src/builtins/arm/builtins-arm.cc

Index: src/builtins/arm/builtins-arm.cc
diff --git a/src/builtins/arm/builtins-arm.cc b/src/builtins/arm/builtins-arm.cc
index adc80d0ae13517b08b44bb6fb15d0aa6454e1219..f20b3a64a3e769ba20c10bfbab62cace7d3ee607 100644
--- a/src/builtins/arm/builtins-arm.cc
+++ b/src/builtins/arm/builtins-arm.cc
@@ -1002,7 +1002,7 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
   Register debug_info = kInterpreterBytecodeArrayRegister;
   DCHECK(!debug_info.is(r0));
   __ ldr(debug_info, FieldMemOperand(r0, SharedFunctionInfo::kDebugInfoOffset));
-  __ cmp(debug_info, Operand(DebugInfo::uninitialized()));
+  __ SmiTst(debug_info);
   // Load original bytecode array or the debug copy.
   __ ldr(kInterpreterBytecodeArrayRegister,
          FieldMemOperand(r0, SharedFunctionInfo::kFunctionDataOffset), eq);