Implement a hash based look-up to speed up containing address check in large

src/frames.cc

Index: src/frames.cc
===================================================================
--- src/frames.cc	(revision 10961)
+++ src/frames.cc	(working copy)
@@ -1301,7 +1301,7 @@
     Address inner_pointer) {
   Heap* heap = isolate_->heap();
   // Check if the inner pointer points into a large object chunk.
-  LargePage* large_page = heap->lo_space()->FindPageContainingPc(inner_pointer);
+  LargePage* large_page = heap->lo_space()->FindPage(inner_pointer);
   if (large_page != NULL) {
     return GcSafeCastToCode(large_page->GetObject(), inner_pointer);
   }