Add code to ia32 TypeRecordingBinaryOpStub to handle SHR Smi overflow.

src/ic.cc

Index: src/ic.cc
diff --git a/src/ic.cc b/src/ic.cc
index 3f5326b002304e3d3d9ae9f5a47cd2afeceaffcc..8dc23ea0a87f3e879c8f90715251b58952136f07 100644
--- a/src/ic.cc
+++ b/src/ic.cc
@@ -1,4 +1,4 @@
-// Copyright 2006-2009 the V8 project authors. All rights reserved.
+// 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:
@@ -2031,7 +2031,10 @@ RUNTIME_FUNCTION(MaybeObject*, TypeRecordingBinaryOp_Patch) {
     type = TRBinaryOpIC::GENERIC;
   }
   if (type == TRBinaryOpIC::SMI && previous_type == TRBinaryOpIC::SMI) {
-    if (op == Token::DIV || op == Token::MUL || kSmiValueSize == 32) {
+    if (op == Token::DIV ||
+        op == Token::MUL ||
+        op == Token::SHR ||
+        kSmiValueSize == 32) {
       // Arithmetic on two Smi inputs has yielded a heap number.
       // That is the only way to get here from the Smi stub.
       // With 32-bit Smis, all overflows give heap numbers, but with