Bug#1050589: gcc-13: [x32] -fbuiltin-strchr miscompiles

Package: gcc-13 Version: 13.2.0-1 Severity: normal X-Debbugs-Cc: t...@mirbsd.de I've got miscompiles of mksh with gcc-13 on x32 with dietlibc. I could reproduce this in a chroot by doing… export CC='diet -Os gcc' export CFLAGS='-g -Wformat -Werror=format-security -Wall -Wextra' export CPPFLAGS='

Results for 12.3.0 (Debian 12.3.0-8) testsuite on aarch64-unknown-linux-gnu

LAST_UPDATED: Obtained from git: releases/gcc-12.3.0 revision 8fc1a49c9312b05d925b7d21f1d2145d70818151 Native configuration is aarch64-unknown-linux-gnu === libatomic tests === Running target unix === libatomic Summary for unix === # of expected passes

Bug#1050589: gcc-13: [x32] -fbuiltin-strchr miscompiles

Dixi quod… >Package: gcc-13 >Version: 13.2.0-1 This is a regression against gcc-12 (= 12.3.0-8); if I install that and export CC='diet -Os gcc-12' it works. >./mksh -c 'x=q; x=${ echo a; typeset e=2; return 3; echo x$e;}; echo .$x.' In case this is relevant: that codepath uses setjmp/longjmp qu

Processed: your mail

Processing commands for cont...@bugs.debian.org: > forwarded 1050589 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65 Bug #1050589 [gcc-13] gcc-13: [x32] -fbuiltin-strchr miscompiles Set Bug forwarded-to-address to 'https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65'. > thanks Stopping proces