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From: "crazylht at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/103184] New: ICE  caused by  r12-5102
Date: Thu, 11 Nov 2021 08:47:56 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103184

            Bug ID: 103184
           Summary: ICE  caused by  r12-5102
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: crazylht at gmail dot com
  Target Milestone: ---
              Host: x86_64-pc-linux-gnu
            Target: aarch64-linux-gnu

Created attachment 51763
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D51763&action=3Dedit
reproduce ICE with -O2

test.i is from glibc pthread_cancel.c

> [TCWG CI] Regression caused by gcc: Improve integer bit test on __atomic_=
fetch_[or|and]_* returns:
> commit fb161782545224f55ba26ba663889c5e6e9a04d1
> Author: liuhongt <hongtao.liu@intel.com>
>
>     Improve integer bit test on __atomic_fetch_[or|and]_* returns
>
> Results regressed to
> # reset_artifacts:
> -10
> # true:
> 0
> # build_abe binutils:
> 1
> # build_abe stage1:
> 2
> # build_abe linux:
> 3
> # First few build errors in logs:
> # 00:00:51 pthread_cancel.c:60:1: error: type mismatch in binary expressi=
on
> # 00:00:51 pthread_cancel.c:60:1: internal compiler error: verify_gimple =
failed
> # 00:00:51 make[2]: *** [../o-iterator.mk:9: /home/tcwg-buildslave/worksp=
ace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc=
.git~master/nptl/pthread_cancel.o] Error 1
> # 00:00:52 make[1]: *** [Makefile:483: nptl/subdir_lib] Error 2
> # 00:00:52 make: *** [Makefile:9: all] Error 2=