Put newspace evacuation in an EvacuationScope

src/heap/mark-compact.cc

 // Copyright 2012 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/v8.h"
 
 #include "src/base/atomicops.h"
 #include "src/base/bits.h"
 #include "src/code-stubs.h"
 #include "src/compilation-cache.h"
@@ skipping 3680 matching lines @@
 
 
 void MarkCompactCollector::EvacuateNewSpaceAndCandidates() {
   Heap::RelocationLock relocation_lock(heap());
 
   bool code_slots_filtering_required;
   {
     GCTracer::Scope gc_scope(heap()->tracer(),
                              GCTracer::Scope::MC_SWEEP_NEWSPACE);
     code_slots_filtering_required = MarkInvalidatedCode();
+    EvacuationScope evacuation_scope(this);
     EvacuateNewSpace();
   }
 
   {
     GCTracer::Scope gc_scope(heap()->tracer(),
                              GCTracer::Scope::MC_EVACUATE_PAGES);
     EvacuationScope evacuation_scope(this);
     EvacuatePages();
+#ifdef VERIFY_HEAP
+    if (FLAG_verify_heap && !sweeping_in_progress_) {
+      VerifyEvacuation(heap());
+    }
+#endif
   }
 
   // Second pass: find pointers to new space and update them.
   PointersUpdatingVisitor updating_visitor(heap());
 
   {
     GCTracer::Scope gc_scope(heap()->tracer(),
                              GCTracer::Scope::MC_UPDATE_NEW_TO_NEW_POINTERS);
     // Update pointers in to space.
     SemiSpaceIterator to_it(heap()->new_space()->bottom(),
@@ skipping 1074 matching lines @@
   SlotsBuffer* buffer = *buffer_address;
   while (buffer != NULL) {
     SlotsBuffer* next_buffer = buffer->next();
     DeallocateBuffer(buffer);
     buffer = next_buffer;
   }
   *buffer_address = NULL;
 }
 }
 }  // namespace v8::internal