[heap] Fix clearing of invalidated objects during Mark-Compact

CompactionSpace::SweepAndRetryAllocation was sweeping the space
without clearing invalidated objects. CompactionSpace is only used
during collections, mark-compact needs invalidated objects in
swept memory to be removed.

Bug: chromium:1020981
Change-Id: Ib5b0edcdd841257cf66af6de8b6a3bf785e5c813
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1900452Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64798}

src/heap/spaces.cc

@@ -3713,7 +3713,8 @@ bool CompactionSpace::SweepAndRetryAllocation(int size_in_bytes,
                                               AllocationOrigin origin) {
   MarkCompactCollector* collector = heap()->mark_compact_collector();
   if (FLAG_concurrent_sweeping && collector->sweeping_in_progress()) {
-    collector->sweeper()->ParallelSweepSpace(identity(), 0);
+    collector->sweeper()->ParallelSweepSpace(
+        identity(), 0, 0, Sweeper::FreeSpaceMayContainInvalidatedSlots::kYes);
     RefillFreeList();
     return RefillLinearAllocationAreaFromFreeList(size_in_bytes, origin);
   }
@@ -3824,7 +3825,7 @@ bool PagedSpace::RawSlowRefillLinearAllocationArea(int size_in_bytes,
   }
 
   // If sweeper threads are active, wait for them at that point and steal
-  // elements form their free-lists. Allocation may still fail their which
+  // elements from their free-lists. Allocation may still fail their which
   // would indicate that there is not enough memory for the given allocation.
   return SweepAndRetryAllocation(size_in_bytes, origin);
 }