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From: | Andreas Schwab |
Subject: | bug#8217: 23.3; Runtime segmentation fault when compiled with -O2 on GNU/Linux |
Date: | Thu, 10 Mar 2011 09:52:54 +0100 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) |
Ulrich Mueller <ulm@gentoo.org> writes: > Forwarding downstream bug: <https://bugs.gentoo.org/show_bug.cgi?id=358177> > > Emacs 23.3 compiled with -O2 on x86_64-pc-linux-gnu immediately fails > with a segmentation fault at runtime. This is with GCC 4.5.2 (but it > also fails when compiled with GCC 4.4.5 or 4.3.5). > > $ emacs -Q > Fatal error (11)Segmentation fault > > The problem disappears when -fno-strict-aliasing is added to CFLAGS. Try compiling with -Wstrict-aliasing. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."
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