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[Bug optimization/11366] [3.3 regression] miscompiles XDM-AUTHORIZATION-1 key generation and/or validation in XFree86 at -O2
- From: "pme at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 17 Jul 2003 02:52:56 -0000
- Subject: [Bug optimization/11366] [3.3 regression] miscompiles XDM-AUTHORIZATION-1 key generation and/or validation in XFree86 at -O2
- References: <20030629091921.11366.debian-gcc@lists.debian.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11366
pme at gcc dot gnu dot org changed:
What |Removed |Added
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CC| |pme at gcc dot gnu dot org
------- Additional Comments From pme at gcc dot gnu dot org 2003-07-17 02:52 -------
Ideally, what we'd really need from the Debian team are:
1) the file that gets miscompiled, and
2) the -f flag which causes it
(1) is essential. (2) would be nice but not crucial. The "easy" way to
find (2) is to compile with "-fFOO" where FOO is one of the flags
turned on by -O2, as listed in the manual. Iterate over the list until
you find the FOO that causes the breakage. Building with "-O2 -fno-FOO"
should give you all the /other/ benefits as well as working code.
This goes much faster, of course, if you can identify (1), then you only
have to recompile that file.