[heap] Add --stress-incremental-marking flag.

test/cctest/heap/test-compaction.cc

 // Copyright 2015 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/factory.h"
 #include "src/heap/mark-compact.h"
 #include "src/isolate.h"
 // FIXME(mstarzinger, marja): This is weird, but required because of the missing
 // (disallowed) include: src/factory.h -> src/objects-inl.h
 #include "src/objects-inl.h"
@@ skipping 29 matching lines @@
 
 }  // namespace
 
 HEAP_TEST(CompactionFullAbortedPage) {
   // Test the scenario where we reach OOM during compaction and the whole page
   // is aborted.
 
   // Disable concurrent sweeping to ensure memory is in an expected state, i.e.,
   // we can reach the state of a half aborted page.
   FLAG_concurrent_sweeping = false;
+  FLAG_stress_incremental_marking = false;
   FLAG_manual_evacuation_candidates_selection = true;
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
   Heap* heap = isolate->heap();
   {
     HandleScope scope1(isolate);
 
     heap::SealCurrentObjects(heap);
 
     {
@@ skipping 22 matching lines @@
 }
 
 
 HEAP_TEST(CompactionPartiallyAbortedPage) {
   // Test the scenario where we reach OOM during compaction and parts of the
   // page have already been migrated to a new one.
 
   // Disable concurrent sweeping to ensure memory is in an expected state, i.e.,
   // we can reach the state of a half aborted page.
   FLAG_concurrent_sweeping = false;
+  FLAG_stress_incremental_marking = false;
   FLAG_manual_evacuation_candidates_selection = true;
 
   const int objects_per_page = 10;
   const int object_size = Page::kAllocatableMemory / objects_per_page;
 
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
   Heap* heap = isolate->heap();
   {
     HandleScope scope1(isolate);
@@ skipping 54 matching lines @@
 
 HEAP_TEST(CompactionPartiallyAbortedPageIntraAbortedPointers) {
   // Test the scenario where we reach OOM during compaction and parts of the
   // page have already been migrated to a new one. Objects on the aborted page
   // are linked together. This test makes sure that intra-aborted page pointers
   // get properly updated.
 
   // Disable concurrent sweeping to ensure memory is in an expected state, i.e.,
   // we can reach the state of a half aborted page.
   FLAG_concurrent_sweeping = false;
+  FLAG_stress_incremental_marking = false;
   FLAG_manual_evacuation_candidates_selection = true;
 
   const int objects_per_page = 10;
   const int object_size = Page::kAllocatableMemory / objects_per_page;
 
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
   Heap* heap = isolate->heap();
   {
     HandleScope scope1(isolate);
@@ skipping 67 matching lines @@
   // page have already been migrated to a new one. Objects on the aborted page
   // are linked together and the very first object on the aborted page points
   // into new space. The test verifies that the store buffer entries are
   // properly cleared and rebuilt after aborting a page. Failing to do so can
   // result in other objects being allocated in the free space where their
   // payload looks like a valid new space pointer.
 
   // Disable concurrent sweeping to ensure memory is in an expected state, i.e.,
   // we can reach the state of a half aborted page.
   FLAG_concurrent_sweeping = false;
+  FLAG_stress_incremental_marking = false;
   FLAG_manual_evacuation_candidates_selection = true;
 
   const int objects_per_page = 10;
   const int object_size = Page::kAllocatableMemory / objects_per_page;
 
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
   Heap* heap = isolate->heap();
   {
     HandleScope scope1(isolate);
@@ skipping 90 matching lines @@
       // If store buffer entries are not properly filtered/reset for aborted
       // pages we have now a broken address at an object slot in old space and
       // the following scavenge will crash.
       CcTest::CollectGarbage(NEW_SPACE);
     }
   }
 }
 
 }  // namespace internal
 }  // namespace v8