Avoid embedding new space objects into code objects in the lithium gap resolver.

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 363449a50916112fcf3067d7e59c0a8ab152aebc..e6626481b3affe25813c245b593590f1dfbfca7a 100644
--- a/src/arm/lithium-codegen-arm.h
+++ b/src/arm/lithium-codegen-arm.h
@@ -93,6 +93,9 @@ class LCodeGen BASE_EMBEDDED {
   // Returns a MemOperand pointing to the high word of a DoubleStackSlot.
   MemOperand ToHighMemOperand(LOperand* op) const;
 
+  bool IsInteger32(LConstantOperand* op) const;
+  Handle<Object> ToHandle(LConstantOperand* op) const;
+
   // Try to generate code for the entire chunk, but it may fail if the
   // chunk contains constructs we cannot handle. Returns true if the
   // code generation attempt succeeded.