Put extra information to the stack when crbug/454297 happens.

src/heap/spaces.cc

 // 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.
 
 #include "src/v8.h"
 
 #include "src/base/bits.h"
 #include "src/base/platform/platform.h"
 #include "src/full-codegen.h"
 #include "src/heap/mark-compact.h"
@@ skipping 972 matching lines @@
   MemoryChunk::UpdateHighWaterMark(allocation_info_.top());
   size_t size = 0;
   PageIterator it(this);
   while (it.has_next()) {
     size += it.next()->CommittedPhysicalMemory();
   }
   return size;
 }
 
 
+bool PagedSpace::ContainsSafe(Address addr) {
+  Page* p = Page::FromAddress(addr);
+  PageIterator iterator(this);
+  while (iterator.has_next()) {
+    if (iterator.next() == p) return true;
+  }
+  return false;
+}
+
+
 Object* PagedSpace::FindObject(Address addr) {
   // Note: this function can only be called on iterable spaces.
   DCHECK(!heap()->mark_compact_collector()->in_use());
 
   if (!Contains(addr)) return Smi::FromInt(0);  // Signaling not found.
 
   Page* p = Page::FromAddress(addr);
   HeapObjectIterator it(p, NULL);
   for (HeapObject* obj = it.Next(); obj != NULL; obj = it.Next()) {
     Address cur = obj->address();
@@ skipping 2117 matching lines @@
     object->ShortPrint();
     PrintF("\n");
   }
   printf(" --------------------------------------\n");
   printf(" Marked: %x, LiveCount: %x\n", mark_size, LiveBytes());
 }
 
 #endif  // DEBUG
 }
 }  // namespace v8::internal