Add the possibility for a code stub to be non-movable...

src/arm/code-stubs-arm.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 4138 matching lines @@
             FieldMemOperand(heapnumber, HeapNumber::kValueOffset));
     __ mov(r0, heapnumber);
     __ Ret(2 * kPointerSize);
   }
 
   __ bind(&call_runtime);
   __ TailCallRuntime(Runtime::kMath_pow_cfunction, 2, 1);
 }
 
 
+bool CEntryStub::NeedsImmovableCode() {
+  return true;
+}
+
+
 void CEntryStub::GenerateThrowTOS(MacroAssembler* masm) {
   __ Throw(r0);
 }
 
 
 void CEntryStub::GenerateThrowUncatchable(MacroAssembler* masm,
                                           UncatchableExceptionType type) {
   __ ThrowUncatchable(type, r0);
 }
 
@@ skipping 2808 matching lines @@
   __ strb(untagged_value, MemOperand(external_pointer, untagged_key));
   __ Ret();
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM