Do not patch IC in deoptimized code.

src/ic/ic.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/arguments.h"
 #include "src/base/bits.h"
@@ skipping 71 matching lines @@
       PrintF("[%s patching generic stub in ", type); \
       PrintF("(see below) (%s)]\n", reason);         \
     }                                                \
   } while (false)
 
 #endif  // DEBUG
 
 
 void IC::TraceIC(const char* type, Handle<Object> name) {
   if (FLAG_trace_ic) {
+    if (AddressIsDeoptimizedCode()) return;
     State new_state =
         UseVector() ? nexus()->StateFromFeedback() : raw_target()->ic_state();
     TraceIC(type, name, state(), new_state);
   }
 }
 
 
 void IC::TraceIC(const char* type, Handle<Object> name, State old_state,
                  State new_state) {
   if (FLAG_trace_ic) {
@@ skipping 121 matching lines @@
 }
 
 
 bool IC::AddressIsOptimizedCode() const {
   Code* host =
       isolate()->inner_pointer_to_code_cache()->GetCacheEntry(address())->code;
   return host->kind() == Code::OPTIMIZED_FUNCTION;
 }
 
 
-bool IC::AddressIsDeoptimizedCode() const {
-  Code* host =
-      isolate()->inner_pointer_to_code_cache()->GetCacheEntry(address())->code;
-  return host->kind() == Code::OPTIMIZED_FUNCTION &&
-         host->marked_for_deoptimization();
-}
-
-
 static void LookupForRead(LookupIterator* it) {
   for (; it->IsFound(); it->Next()) {
     switch (it->state()) {
       case LookupIterator::NOT_FOUND:
       case LookupIterator::TRANSITION:
         UNREACHABLE();
       case LookupIterator::JSPROXY:
         return;
       case LookupIterator::INTERCEPTOR: {
         // If there is a getter, return; otherwise loop to perform the lookup.
@@ skipping 2661 matching lines @@
 static const Address IC_utilities[] = {
 #define ADDR(name) FUNCTION_ADDR(name),
     IC_UTIL_LIST(ADDR) NULL
 #undef ADDR
 };
 
 
 Address IC::AddressFromUtilityId(IC::UtilityId id) { return IC_utilities[id]; }
 }
 }  // namespace v8::internal