Remove JSFunctionResultCache.

src/heap/heap.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/base/bits.h"
 #include "src/base/once.h"
@@ skipping 412 matching lines @@
 
 
 void Heap::IncrementDeferredCount(v8::Isolate::UseCounterFeature feature) {
   deferred_counters_[feature]++;
 }
 
 
 void Heap::GarbageCollectionPrologue() {
   {
     AllowHeapAllocation for_the_first_part_of_prologue;
-    ClearJSFunctionResultCaches();
     gc_count_++;
     unflattened_strings_length_ = 0;
 
     if (FLAG_flush_code) {
       mark_compact_collector()->EnableCodeFlushing(true);
     }
 
 #ifdef VERIFY_HEAP
     if (FLAG_verify_heap) {
       Verify();
@@ skipping 683 matching lines @@
 
 void Heap::EnsureFromSpaceIsCommitted() {
   if (new_space_.CommitFromSpaceIfNeeded()) return;
 
   // Committing memory to from space failed.
   // Memory is exhausted and we will die.
   V8::FatalProcessOutOfMemory("Committing semi space failed.");
 }
 
 
-void Heap::ClearJSFunctionResultCaches() {
-  if (isolate_->bootstrapper()->IsActive()) return;
-
-  Object* context = native_contexts_list();
-  while (!context->IsUndefined()) {
-    // Get the caches for this context. GC can happen when the context
-    // is not fully initialized, so the caches can be undefined.
-    Object* caches_or_undefined =
-        Context::cast(context)->get(Context::JSFUNCTION_RESULT_CACHES_INDEX);
-    if (!caches_or_undefined->IsUndefined()) {
-      FixedArray* caches = FixedArray::cast(caches_or_undefined);
-      // Clear the caches:
-      int length = caches->length();
-      for (int i = 0; i < length; i++) {
-        JSFunctionResultCache::cast(caches->get(i))->Clear();
-      }
-    }
-    // Get the next context:
-    context = Context::cast(context)->get(Context::NEXT_CONTEXT_LINK);
-  }
-}
-
-
 void Heap::ClearNormalizedMapCaches() {
   if (isolate_->bootstrapper()->IsActive() &&
       !incremental_marking()->IsMarking()) {
     return;
   }
 
   Object* context = native_contexts_list();
   while (!context->IsUndefined()) {
     // GC can happen when the context is not fully initialized,
     // so the cache can be undefined.
@@ skipping 5772 matching lines @@
     *object_type = "CODE_TYPE";                                                \
     *object_sub_type = "CODE_AGE/" #name;                                      \
     return true;
     CODE_AGE_LIST_COMPLETE(COMPARE_AND_RETURN_NAME)
 #undef COMPARE_AND_RETURN_NAME
   }
   return false;
 }
 }  // namespace internal
 }  // namespace v8