Fix %SetFlags("--stress-compaction")

src/spaces-inl.h

 // Copyright 2011 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.
 
 #ifndef V8_SPACES_INL_H_
 #define V8_SPACES_INL_H_
 
 #include "heap-profiler.h"
 #include "isolate.h"
 #include "spaces.h"
@@ skipping 272 matching lines @@
   return AllocationResult::Retry(identity());
 }
 
 
 // -----------------------------------------------------------------------------
 // NewSpace
 
 
 AllocationResult NewSpace::AllocateRaw(int size_in_bytes) {
   Address old_top = allocation_info_.top();
-#ifdef DEBUG
-  // If we are stressing compaction we waste some memory in new space
-  // in order to get more frequent GCs.
-  if (FLAG_stress_compaction && !heap()->linear_allocation()) {
-    if (allocation_info_.limit() - old_top >= size_in_bytes * 4) {
-      int filler_size = size_in_bytes * 4;
-      for (int i = 0; i < filler_size; i += kPointerSize) {
-        *(reinterpret_cast<Object**>(old_top + i)) =
-            heap()->one_pointer_filler_map();
-      }
-      old_top += filler_size;
-      allocation_info_.set_top(allocation_info_.top() + filler_size);
-    }
-  }
-#endif
 
   if (allocation_info_.limit() - old_top < size_in_bytes) {
     return SlowAllocateRaw(size_in_bytes);
   }
 
   HeapObject* obj = HeapObject::FromAddress(old_top);
   allocation_info_.set_top(allocation_info_.top() + size_in_bytes);
   ASSERT_SEMISPACE_ALLOCATION_INFO(allocation_info_, to_space_);
 
   return obj;
@@ skipping 15 matching lines @@
   Map* map = object->map();
   Heap* heap = object->GetHeap();
   return map == heap->raw_unchecked_free_space_map()
       || map == heap->raw_unchecked_one_pointer_filler_map()
       || map == heap->raw_unchecked_two_pointer_filler_map();
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_SPACES_INL_H_