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

test/cctest/heap/test-compaction.cc

Index: test/cctest/heap/test-compaction.cc
diff --git a/test/cctest/heap/test-compaction.cc b/test/cctest/heap/test-compaction.cc
index 64e7a0925595390c74f753ae33189c17953d7f86..856f7be198820d08228efc4ed9f83c8b7344cb6a 100644
--- a/test/cctest/heap/test-compaction.cc
+++ b/test/cctest/heap/test-compaction.cc
@@ -47,6 +47,7 @@ HEAP_TEST(CompactionFullAbortedPage) {
   // 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();
@@ -89,6 +90,7 @@ HEAP_TEST(CompactionPartiallyAbortedPage) {
   // 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;
@@ -163,6 +165,7 @@ HEAP_TEST(CompactionPartiallyAbortedPageIntraAbortedPointers) {
   // 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;
@@ -250,6 +253,7 @@ HEAP_TEST(CompactionPartiallyAbortedPageWithStoreBufferEntries) {
   // 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;