Flush PC-to-code cache before doing verification.

src/mark-compact.cc

Index: src/mark-compact.cc
diff --git a/src/mark-compact.cc b/src/mark-compact.cc
index 29ed215e75547bd7b55f6820320a3440c3f6d829..9818da757f9badeee91041cab0c44652e246119e 100644
--- a/src/mark-compact.cc
+++ b/src/mark-compact.cc
@@ -296,8 +296,6 @@ void MarkCompactCollector::CollectGarbage() {
 
   if (!collect_maps_) ReattachInitialMaps();
 
-  heap_->isolate()->inner_pointer_to_code_cache()->Flush();
-
   Finish();
 
   tracer_ = NULL;
@@ -3423,6 +3421,8 @@ void MarkCompactCollector::EvacuateNewSpaceAndCandidates() {
   // under it.
   ProcessInvalidatedCode(&updating_visitor);
 
+  heap_->isolate()->inner_pointer_to_code_cache()->Flush();
+
 #ifdef DEBUG
   if (FLAG_verify_heap) {
     VerifyEvacuation(heap_);