Revision: 10835
Author: [email protected]
Date: Mon Feb 27 00:08:14 2012
Log: Profiler experiments: be more careful when accessing
TypeFeedbackInfo
Review URL: https://chromiumcodereview.appspot.com/9471008
http://code.google.com/p/v8/source/detail?r=10835
Modified:
/branches/bleeding_edge/src/ic.cc
=======================================
--- /branches/bleeding_edge/src/ic.cc Thu Feb 23 03:43:07 2012
+++ /branches/bleeding_edge/src/ic.cc Mon Feb 27 00:08:14 2012
@@ -315,10 +315,13 @@
if (delta != 0) {
Code* host = target->GetHeap()->isolate()->
inner_pointer_to_code_cache()->GetCacheEntry(address)->code;
- TypeFeedbackInfo* info =
- TypeFeedbackInfo::cast(host->type_feedback_info());
- info->set_ic_with_typeinfo_count(
- info->ic_with_typeinfo_count() + delta);
+ // Not all Code objects have TypeFeedbackInfo.
+ if (host->type_feedback_info()->IsTypeFeedbackInfo()) {
+ TypeFeedbackInfo* info =
+ TypeFeedbackInfo::cast(host->type_feedback_info());
+ info->set_ic_with_typeinfo_count(
+ info->ic_with_typeinfo_count() + delta);
+ }
}
}
}
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