Implementing inline caches for binary operations (ia32)....

src/objects-inl.h

Index: src/objects-inl.h
===================================================================
--- src/objects-inl.h	(revision 3980)
+++ src/objects-inl.h	(working copy)
@@ -2144,14 +2144,14 @@
 
 
 CodeStub::Major Code::major_key() {
-  ASSERT(kind() == STUB);
+  ASSERT(kind() == STUB || kind() == BINARY_OP_IC);
   return static_cast<CodeStub::Major>(READ_BYTE_FIELD(this,
                                                       kStubMajorKeyOffset));
 }
 
 
 void Code::set_major_key(CodeStub::Major major) {
-  ASSERT(kind() == STUB);
+  ASSERT(kind() == STUB || kind() == BINARY_OP_IC);
   ASSERT(0 <= major && major < 256);
   WRITE_BYTE_FIELD(this, kStubMajorKeyOffset, major);
 }