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

src/ia32/macro-assembler-ia32.h

Index: src/ia32/macro-assembler-ia32.h
diff --git a/src/ia32/macro-assembler-ia32.h b/src/ia32/macro-assembler-ia32.h
index c0fbffa9d769b3904bc7bc327c2d78030c79d684..74c56090ed5629ca36a99967287d03749f721165 100644
--- a/src/ia32/macro-assembler-ia32.h
+++ b/src/ia32/macro-assembler-ia32.h
@@ -467,6 +467,8 @@ class MacroAssembler: public Assembler {
     j(not_carry, is_smi);
   }
 
+  void LoadUint32(XMMRegister dst, Register src, XMMRegister scratch);
+
   // Jump the register contains a smi.
   inline void JumpIfSmi(Register value,
                         Label* smi_label,