v8:3539 - hold constructor feedback in weak cells

src/objects.cc

 // Copyright 2013 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 <iomanip>
 #include <sstream>
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
@@ skipping 11064 matching lines @@
 }
 
 
 void SharedFunctionInfo::ClearTypeFeedbackInfo() {
   feedback_vector()->ClearSlots(this);
   feedback_vector()->ClearICSlots(this);
 }
 
 
 void SharedFunctionInfo::ClearTypeFeedbackInfoAtGCTime() {
-  feedback_vector()->ClearSlots(this);
+  feedback_vector()->ClearSlotsAtGCTime(this);
   feedback_vector()->ClearICSlotsAtGCTime(this);
 }
 
 
 BailoutId Code::TranslatePcOffsetToAstId(uint32_t pc_offset) {
   DisallowHeapAllocation no_gc;
   DCHECK(kind() == FUNCTION);
   BackEdgeTable back_edges(this, &no_gc);
   for (uint32_t i = 0; i < back_edges.length(); i++) {
     if (back_edges.pc_offset(i) == pc_offset) return back_edges.ast_id(i);
@@ skipping 6020 matching lines @@
                                                CompilationInfo* info) {
   Handle<DependentCode> codes = DependentCode::InsertCompilationInfo(
       handle(cell->dependent_code(), info->isolate()),
       DependentCode::kPropertyCellChangedGroup, info->object_wrapper());
   if (*codes != cell->dependent_code()) cell->set_dependent_code(*codes);
   info->dependencies(DependentCode::kPropertyCellChangedGroup)->Add(
       cell, info->zone());
 }
 
 } }  // namespace v8::internal