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Subject: [Bug middle-end/105629] New: [13 Regression] g++.dg/opt/pr94589-2.C
 for cris, m68k, s390x
Date: Tue, 17 May 2022 15:22:47 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105629

            Bug ID: 105629
           Summary: [13 Regression] g++.dg/opt/pr94589-2.C for cris, m68k,
                    s390x
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hp at gcc dot gnu.org
  Target Milestone: ---

Created attachment 52987
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D52987&action=3Dedit
pr94589-2.C.252t.optimized

The test g++.dg/opt/pr94589-2.C is last known passing for cris-elf with
r13-172-g1e2334302d6ad5.  For r13-211-g0c7bce0ac184c0 it failed, and has fa=
iled
since then, including r13-555-g1815462a6e53:

testrun output:
FAIL: g++.dg/opt/pr94589-2.C  -std=3Dgnu++20  scan-tree-dump-times optimized
"[ij]_[0-9]+\\(D\\) (?:<|<=3D|=3D=3D|!=3D|>|>=3D) [ij]_[0-9]+\\(D\\)" 12
FAIL: g++.dg/opt/pr94589-2.C  -std=3Dgnu++20  scan-tree-dump-times optimized
"i_[0-9]+\\(D\\) (?:<|<=3D|=3D=3D|!=3D|>|>=3D) 5\\.0" 12

In g++.log:
PASS: g++.dg/opt/pr94589-2.C  -std=3Dgnu++20 (test for excess errors)
g++.dg/opt/pr94589-2.C  -std=3Dgnu++20 : pattern found 14 times
FAIL: g++.dg/opt/pr94589-2.C  -std=3Dgnu++20  scan-tree-dump-times optimized
"[ij]_[0-9]+\\(D\\) (?:<|<=3D|=3D=3D|!=3D|>|>=3D) [ij]_[0-9]+\\(D\\)" 12
g++.dg/opt/pr94589-2.C  -std=3Dgnu++20 : pattern found 14 times
FAIL: g++.dg/opt/pr94589-2.C  -std=3Dgnu++20  scan-tree-dump-times optimized
"i_[0-9]+\\(D\\) (?:<|<=3D|=3D=3D|!=3D|>|>=3D) 5\\.0" 12

See attachment for contents of pr94589-2.C.252t.optimized at
r13-555-g1815462a6e53.

The test appears to fail in the same way according to gcc-testresults@, for
m68k-unknown-linux-gnu
(posts https://gcc.gnu.org/pipermail/gcc-testresults/2022-May/761149.html a=
nd
https://gcc.gnu.org/pipermail/gcc-testresults/2022-May/761602.html) and
s390x-ibm-linux-gnu (posts
https://gcc.gnu.org/pipermail/gcc-testresults/2022-May/761118.html and
https://gcc.gnu.org/pipermail/gcc-testresults/2022-May/761552.html).=