v8: backport b3775cf3 from upstream

nodejs · Oct 31, 2013 · 532f9ff · 532f9ff
1 parent 23c608a
commit 532f9ff
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/deps/v8/src/spaces.h b/deps/v8/src/spaces.h
@@ -321,7 +321,8 @@ class MemoryChunk {
   Space* owner() const {
     if ((reinterpret_cast<intptr_t>(owner_) & kFailureTagMask) ==
         kFailureTag) {
-      return reinterpret_cast<Space*>(owner_ - kFailureTag);
+      return reinterpret_cast<Space*>(reinterpret_cast<intptr_t>(owner_) -
+                                      kFailureTag);
     } else {
       return NULL;
     }