[Bug lto/45375] [meta-bug] Issues with building Mozilla with LTO
hubicka at ucw dot cz
gcc-bugzilla@gcc.gnu.org
Wed Aug 21 13:01:00 GMT 2013
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45375
--- Comment #190 from Jan Hubicka <hubicka at ucw dot cz> ---
> /ssd/firefox/js/src/gc/Marking.cpp: In function
> ???js::gc::IsAboutToBeFinalized<JSAtom>(JSAtom**)bool [clone .isra.65]???:
> /ssd/firefox/js/src/gc/Marking.cpp:1713:1: error: corrupted profile info:
> profile data is not flow-consistent
> }
> ^
> /ssd/firefox/js/src/gc/Marking.cpp:1713:1: error: corrupted profile info:
> number of executions for edge 3-6 thought to be -81
This actually loks like corruption from concurent updates (profiling is not
thread
safe). Do you get much more of these?
I can imagine that garbage collector runs in parrallel and often.
> /ssd/firefox/js/src/gc/Marking.cpp:1713:1: error: corrupted profile info:
> number of executions for edge 3-4 thought to be 39667
Perhaps we should fix dumping to dump full 64bit value.. :)
Honza
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