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[Bug target/46468] enabling -fomit-frame-pointer by default breaks Wine
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 28 Nov 2010 19:47:11 +0000
- Subject: [Bug target/46468] enabling -fomit-frame-pointer by default breaks Wine
- Auto-submitted: auto-generated
- References: <bug-46468-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46468
--- Comment #13 from H.J. Lu <hjl.tools at gmail dot com> 2010-11-28 19:47:02 UTC ---
(In reply to comment #11)
> it is unclear. ... it seems to crash in libgcc_s.so.1 (both the installed 4.5
> and the built 4.6 trunk versuon) during this pthread_exit unwinding.
>
> behaviour changes if thread.o is built with -fasynchronous-unwind-tables . then
> it will not crash
>
Why isn't thread.o built with -fasynchronous-unwind-tables?
-fasynchronous-unwind-tables should be on by default with
gcc 4.6.