[heap] Properly decrement amount of externally allocated memory

[email protected] BUG=chromium:526244 LOG=N Review URL: https://codereview.chromium.org/1329493002 . Cr-Commit-Position: refs/heads/master@{#30487}
frida · Aug 31, 2015 · 206f12a · 206f12a
1 parent f65e61e
commit 206f12a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
@@ -1847,7 +1847,7 @@ void Heap::FreeDeadArrayBuffers(bool from_scavenge) {
   }
 
   // Do not call through the api as this code is triggered while doing a GC.
-  amount_of_external_allocated_memory_ += FreeDeadArrayBuffersHelper(
+  amount_of_external_allocated_memory_ -= FreeDeadArrayBuffersHelper(
       isolate_,
       from_scavenge ? live_array_buffers_for_scavenge_ : live_array_buffers_,
       from_scavenge ? not_yet_discovered_array_buffers_for_scavenge_