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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/109889] [13/14 Regression] Segfault in
 __run_exit_handlers since r13-5309-gc3c6c307792026
Date: Wed, 17 May 2023 11:30:53 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109889

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #2)
> r2 is the toc pointer, so having it 0 is weird.
> Looking at glibc-2.36-10.fc37 (not sure if you are using a different one)=
, I

glibc-2.36-9.fc37.ppc64le

> see
> 000000000005b560 <__run_exit_handlers>:
>    5b560:       21 00 4c 3c     addis   r2,r12,33
>    5b564:       a0 b9 42 38     addi    r2,r2,-18016
> ...
>    5b5a8:       18 00 41 f8     std     r2,24(r1)
> so wonder what x/1gx $r1+24 is.

(gdb) x/1gx $r1+24
0x7fffffffe8d8: 0x0000000000000000=