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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/107021] New: [13 Regression] 511.povray_r
 error with -Ofast -march=znver2 -flto since r13-2810-gb7fd7fb5011106
Date: Fri, 23 Sep 2022 20:14:35 +0000
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X-Bugzilla-Component: tree-optimization
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107021

            Bug ID: 107021
           Summary: [13 Regression] 511.povray_r error with -Ofast
                    -march=3Dznver2 -flto since r13-2810-gb7fd7fb5011106
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: aldyh at gcc dot gnu.org
            Blocks: 26163
  Target Milestone: ---

Since the revision, the benchmark is likely miscompiled.

Running Benchmarks
  Running 511.povray_r test peak gcc-m64 (1 copy) [2022-09-23 22:12:20]
511.povray_r: copy 0 non-zero return code (exit code=3D1, signal=3D0)


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D26163
[Bug 26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95=
)=