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[heap] Remove outdated map space compaction test

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Change-Id: Ieb25f9f1255aa911e5d761a52b580094f15c6399
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4110943
Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
Auto-Submit: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Cr-Commit-Position: refs/heads/main@{#84949}
This commit is contained in:
Michael Lippautz 2022-12-19 23:58:49 +01:00 committed by V8 LUCI CQ
parent 3d46a713bb
commit 5373b52f01
1 changed files with 0 additions and 33 deletions
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33
test/cctest/heap/test-mark-compact.cc
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@ -304,39 +304,6 @@ HEAP_TEST(ObjectStartBitmap) {
#endif // V8_ENABLE_INNER_POINTER_RESOLUTION_OSB
}
// TODO(1600): compaction of map space is temporary removed from GC.
#if 0
static Handle<Map> CreateMap(Isolate* isolate) {
return isolate->factory()->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize);
}
TEST(MapCompact) {
v8_flags.max_map_space_pages = 16;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
Factory* factory = isolate->factory();
{
v8::HandleScope sc;
// keep allocating maps while pointers are still encodable and thus
// mark compact is permitted.
Handle<JSObject> root = factory->NewJSObjectFromMap(CreateMap());
do {
Handle<Map> map = CreateMap();
map->set_prototype(*root);
root = factory->NewJSObjectFromMap(map);
} while (CcTest::heap()->map_space()->MapPointersEncodable());
}
// Now, as we don't have any handles to just allocated maps, we should
// be able to trigger map compaction.
// To give an additional chance to fail, try to force compaction which
// should be impossible right now.
CcTest::CollectAllGarbage(Heap::kForceCompactionMask);
// And now map pointers should be encodable again.
CHECK(CcTest::heap()->map_space()->MapPointersEncodable());
}
#endif
#if defined(__has_feature)
#if __has_feature(address_sanitizer)
#define V8_WITH_ASAN 1