Revert r5970 and r5975.

src/arm/ic-arm.cc

Index: src/arm/ic-arm.cc
===================================================================
--- src/arm/ic-arm.cc	(revision 5976)
+++ src/arm/ic-arm.cc	(working copy)
@@ -2360,8 +2360,10 @@
 void CompareIC::UpdateCaches(Handle<Object> x, Handle<Object> y) {
   HandleScope scope;
   Handle<Code> rewritten;
+#ifdef DEBUG
   State previous_state = GetState();
-  State state = TargetState(previous_state, x, y);
+#endif
+  State state = TargetState(x, y);
   if (state == GENERIC) {
     CompareStub stub(GetCondition(), strict(), NO_COMPARE_FLAGS, r1, r0);
     rewritten = stub.GetCode();
@@ -2381,12 +2383,6 @@
 #endif
 }
 
-
-void PatchInlinedSmiCode(Address address) {
-  UNIMPLEMENTED();
-}
-
-
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM