Allow uint32 value on optimized frames if they are consumed by safe operations.

src/arm/lithium-codegen-arm.h

Index: src/arm/lithium-codegen-arm.h
diff --git a/src/arm/lithium-codegen-arm.h b/src/arm/lithium-codegen-arm.h
index d380f4bcad459c54486abee0cf40ac8302d94e5f..12b298877dd87119a71ffc5d90d9f6ffc0f4da4e 100644
--- a/src/arm/lithium-codegen-arm.h
+++ b/src/arm/lithium-codegen-arm.h
@@ -114,7 +114,10 @@ class LCodeGen BASE_EMBEDDED {
   void DoDeferredBinaryOpStub(LTemplateInstruction<1, 2, T>* instr,
                               Token::Value op);
   void DoDeferredNumberTagD(LNumberTagD* instr);
-  void DoDeferredNumberTagI(LNumberTagI* instr);
+
+  enum IntegerSignedness { SIGNED_INT32, UNSIGNED_INT32 };
+  void DoDeferredNumberTagI(LInstruction* instr, IntegerSignedness signedness);
+
   void DoDeferredTaggedToI(LTaggedToI* instr);
   void DoDeferredMathAbsTaggedHeapNumber(LUnaryMathOperation* instr);
   void DoDeferredStackCheck(LStackCheck* instr);
@@ -252,7 +255,8 @@ class LCodeGen BASE_EMBEDDED {
 
   void AddToTranslation(Translation* translation,
                         LOperand* op,
-                        bool is_tagged);
+                        bool is_tagged,
+                        bool is_uint32);
   void PopulateDeoptimizationData(Handle<Code> code);
   int DefineDeoptimizationLiteral(Handle<Object> literal);