[Bug testsuite/99626] New: [10/11 regression] gcc.dg/strlenopt-73.c fails for 32 bits

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99626

            Bug ID: 99626
           Summary: [10/11 regression] gcc.dg/strlenopt-73.c fails for 32
                    bits
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: testsuite
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

This is an old one but I don't see a PR for it.  Note that PR91449 fixed this
for 64 bit.

g:34fcf41e30ff56155e996f5e04f6ca13948a19b6, r10-2528
make  -k check-gcc RUNTESTFLAGS="--target_board=unix'{-m32}'
dg.exp=gcc.dg/strlenopt-73.c"
FAIL: gcc.dg/strlenopt-73.c scan-tree-dump-times optimized "strlen" 0
FAIL: gcc.dg/strlenopt-73.c scan-tree-dump-times optimized "_not_eliminated_" 0
# of expected passes            1
# of unexpected failures        2

The revision is where the test case was added in gcc 10 and it still fails for
32 bits on powerpc64 BE now in both gcc 10 and trunk.

commit 34fcf41e30ff56155e996f5e04f6ca13948a19b6
Author: Martin Sebor <msebor@redhat.com>
Date:   Wed Aug 14 16:27:59 2019 +0000

    PR tree-optimization/91294 - [10 Regression] wrong strlen result of a
conditional with an offset