https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103184
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=51763&action=edit
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....@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 expression
> # 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/workspace/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
