https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105960
Bug ID: 105960 Summary: Crash in 32-bit mode Product: gcc Version: 12.1.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: terra at gnome dot org Target Milestone: --- Created attachment 53130 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53130&action=edit Source files and compile script The attached archive shows a crash when running 32-bit binaries compiled with gcc 12.1 I am preliminarily blaming the C compiler. 0. Unpack tar file 1. Edit "compile" to point at the desired compiler 2. ./compile 3. ./crash32 Expected: immediate return Observed: Segmentation fault (core dumped) (gdb) where #0 0xf7fc73d0 in *ABS*@plt () from /home/welinder/crash32/liboink32.so #1 0x0804841d in main () Observations (probably more "anecdote" than "data"): * Doesn't happen in 64-bit mode * Doesn't happen without optimization * The shared library appears to be a required part * The use target_clones appears to be a required part * This did not happen with gcc 11.1 # uname -a Linux xxxxxxxxxx 5.3.18-150300.59.63-default #1 SMP Tue Apr 5 12:47:31 UTC 2022 (d77db66) x86_64 x86_64 x86_64 GNU/Linux # /usr/local/products/gcc/12.1.0/bin/gcc --version gcc (GCC) 12.1.0 Copyright (C) 2022 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.