[Bug target/102991] New: [12 regress] gcc.dg/vect/vect-simd-17.c fails after r12-4757

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102991

            Bug ID: 102991
           Summary: [12 regress] gcc.dg/vect/vect-simd-17.c fails after
                    r12-4757
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

g:9222481ffc69a6c0b73ec81e1bf04289fa3db0ed, r12-4757

make  -k check-gcc RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-17.c"
FAIL: gcc.dg/vect/vect-simd-17.c execution test
FAIL: gcc.dg/vect/vect-simd-17.c -flto -ffat-lto-objects execution test
# of expected passes            2
# of unexpected failures        2


I am only seeing this failure on power 10.


(gdb) run
Starting program: /home/seurer/gcc/git/build/gcc-test/vect-simd-17.exe 
Missing separate debuginfos, use: yum debuginfo-install
glibc-2.28-151.el8.ppc64le

Program received signal SIGABRT, Aborted.
0x00002000002144d8 in raise () from /lib64/libc.so.6
(gdb) where
#0  0x00002000002144d8 in raise () from /lib64/libc.so.6
#1  0x00002000001f462c in abort () from /lib64/libc.so.6
#2  0x0000000010003578 in doit () at
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/vect/vect-simd-17.c:37
#3  0x0000000010000614 in main () at
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/vect/vect-simd-17.c:302


commit 9222481ffc69a6c0b73ec81e1bf04289fa3db0ed (HEAD, refs/bisect/bad)
Author: Xionghu Luo <luoxhu@linux.ibm.com>
Date:   Wed Oct 27 21:21:20 2021 -0500

    rs6000: Fix wrong code generation for vec_sel [PR94613]