Ensure SMI check for receiver in external array store stub for ARM.

R=ager@chromium.org
BUG=none
TEST=test/mjsunit/external-array.js

Review URL: http://codereview.chromium.org/7058011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7999 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/stub-cache-arm.cc

@@ -3428,7 +3428,7 @@ MaybeObject* ExternalArrayStoreStubCompiler::CompileStore(
                  r3,
                  Handle<Map>(receiver->map()),
                  Handle<Code>(stub),
-                 DONT_DO_SMI_CHECK);
+                 DO_SMI_CHECK);
 
   Handle<Code> ic = isolate()->builtins()->KeyedStoreIC_Miss();
   __ Jump(ic, RelocInfo::CODE_TARGET);