[Bug testsuite/100943] New: [12 regression] new test gcc.dg/pr100887.c in r12-1256 fails with excess errors

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100943

            Bug ID: 100943
           Summary: [12 regression] new test gcc.dg/pr100887.c in r12-1256
                    fails with excess errors
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: testsuite
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

g:e1521b170b44be5cd5d36a98b6b760457b68f566, r12-1256
make  -k check-gcc RUNTESTFLAGS="dg.exp=gcc.dg/pr100887.c"
FAIL: gcc.dg/pr100887.c (test for excess errors)
# of unexpected failures        1

Executing on host: /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/ exceptions_enabled2483732.cc   
-fdiagnostics-plain-output  -S -o exceptions_enabled2483732.s    (timeout =
300)
spawn -ignore SIGHUP /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/ exceptions_enabled2483732.cc
-fdiagnostics-plain-output -S -o exceptions_enabled2483732.s
FAIL: gcc.dg/pr100887.c (test for excess errors)
Excess errors:
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/pr100887.c:11:1: warning:
GCC vector passed by reference: non-standard ABI extension with no
compatibility guarantee [-Wpsabi]


commit e1521b170b44be5cd5d36a98b6b760457b68f566 (HEAD, refs/bisect/bad)
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Mon Jun 7 09:28:31 2021 +0200

    fold-const: Fix up fold_read_from_vector [PR100887]