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From: "burnus at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/108382] [12/13 Regression] Incorrect parsing when acc
 and omp coexist and -fopenmp -fopenacc is used.
Date: Fri, 20 Jan 2023 17:08:30 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: fortran
X-Bugzilla-Version: 12.1.0
X-Bugzilla-Keywords: openacc, openmp, rejects-valid
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108382

Tobias Burnus <burnus at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |burnus at gcc dot gnu.org
   Last reconfirmed|                            |2023-01-20
             Status|UNCONFIRMED                 |NEW
   Target Milestone|---                         |12.4
            Summary|Incorrect parsing when acc  |[12/13 Regression]
                   |and omp coexist and         |Incorrect parsing when acc
                   |-fopenmp -fopenacc is used. |and omp coexist and
                   |                            |-fopenmp -fopenacc is used.
     Ever confirmed|0                           |1

--- Comment #1 from Tobias Burnus <burnus at gcc dot gnu.org> ---
It seems as if for

  !$acc enter &
  !$acc   data
  !$omp flush &
  !$omp   RELEASE

a flag is wrong after parsing the second line; I think either the
'openacc_flag' needs to be (re)set to 0 or continue_flag needs to be set to=
 0.

(likewise for swapping omp and acc lines)=20

Possibly be caused by the following commit as it works with GCC 11 but fails
with GCC 12:
  r12-1216-g4facf2bf5b7b32f444da864306b5c11e14c15bcf=