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From: "gccbugs at dima dot secretsauce.net" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/114509] New: Infinite loop with openmp
Date: Thu, 28 Mar 2024 06:39:46 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114509

            Bug ID: 114509
           Summary: Infinite loop with openmp
           Product: gcc
           Version: 13.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gccbugs at dima dot secretsauce.net
  Target Milestone: ---

Created attachment 57827
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D57827&action=3Dedit
Reduced reproducer

I git a bug in gcc 13.2 where an openmp loop causes he compiler to spin the
cpu, and never finish. I used creduce to minimize the test case, and the
reduced source is attached.

I'm running Debian GNU/Linux with gcc=3D4:13.2.0-1. I get an infinite loop =
with

  gcc-13 -fopenmp -c -o /dev/null /tmp/infinite-openmp.c

I happen to also have gcc-10 and gcc-11 installed, and they both produce an
infinite loop with that input as well.

Thanks=