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From: "xry111 at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug lto/113204] lto1: error: qsort comparator non-negative on
 sorted output: 64
Date: Fri, 02 Feb 2024 07:27:04 +0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: lto
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X-Bugzilla-Keywords: ice-checking, ice-on-valid-code, lto, testsuite-fail
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113204

Xi Ruoyao <xry111 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |xry111 at gcc dot gnu.org
           Keywords|                            |testsuite-fail

--- Comment #5 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
I've hit a similar ICE testing libbacktrace with LTO bootstrapped GCC on
LoongArch:

during IPA pass: static-var
lto1: internal compiler error: qsort checking failed
0x7ffff1b13047 __libc_start_call_main
        ../sysdeps/nptl/libc_start_call_main.h:58
0x7ffff1b1316f __libc_start_main_impl
        /sources/glibc-2.39/csu/libc-start.c:360
0x12019a547 _start
        ../sysdeps/loongarch/start.S:75
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
lto-wrapper: fatal error: /sources/gcc-14-8722+hotfix/build/./prev-gcc/xgcc
returned 1 exit status
compilation terminated.
/usr/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status
make[3]: *** [Makefile:1340: btest_lto] Error 1

Unfortunately I didn't enable the debug info.  I'll keep my build tree and =
try
to gather some info when I get some time...=