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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/104200] New: [12 Regression] FAIL:
 gcc.target/aarch64/atomic-inst-cas.c (test for excess errors) fails
Date: Mon, 24 Jan 2022 09:28:20 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104200

            Bug ID: 104200
           Summary: [12 Regression] FAIL:
                    gcc.target/aarch64/atomic-inst-cas.c (test for excess
                    errors) fails
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Keywords: testsuite-fail
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: pinskia at gcc dot gnu.org
  Target Milestone: ---
            Target: aarch64

+FAIL: gcc.target/aarch64/atomic-inst-cas.c (test for excess errors)
/home/ubuntu/src/upstream-gcc-aarch64/gcc/gcc/testsuite/gcc.target/aarch64/=
atomic-inst-cas.c:
In function 'test_cas_atomic_relaxed_consume_char':^M
/home/ubuntu/src/upstream-gcc-aarch64/gcc/gcc/testsuite/gcc.target/aarch64/=
atomic-inst-cas.c:22:12:
warning: failure memory model 'memory_order_consume' cannot be stronger than
success memory model 'memory_order_relaxed' for '__atomic_compare_exchange_=
1'
[-Winvalid-memory-model]^M
....

Most likely caused by r12-6216.=