From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2071) id B79553857C71; Thu, 1 Apr 2021 05:50:44 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B79553857C71 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Harald Anlauf To: gcc-cvs@gcc.gnu.org Subject: [gcc r11-7943] PR fortran/99840 - ICE in gfc_simplify_matmul, at fortran/simplify.c:4777 X-Act-Checkin: gcc X-Git-Author: Harald Anlauf X-Git-Refname: refs/heads/master X-Git-Oldrev: 95d217ab52d31dc06fda42fc136dea165909e88b X-Git-Newrev: d7cef070bf43bfb3f3d77bac42eadea06c4b0281 Message-Id: <20210401055044.B79553857C71@sourceware.org> Date: Thu, 1 Apr 2021 05:50:44 +0000 (GMT) X-BeenThere: gcc-cvs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Apr 2021 05:50:44 -0000 https://gcc.gnu.org/g:d7cef070bf43bfb3f3d77bac42eadea06c4b0281 commit r11-7943-gd7cef070bf43bfb3f3d77bac42eadea06c4b0281 Author: Harald Anlauf Date: Thu Apr 1 07:49:32 2021 +0200 PR fortran/99840 - ICE in gfc_simplify_matmul, at fortran/simplify.c:4777 The simplification of the transposition of a constant array shall properly initialize and set the shape of the result. gcc/fortran/ChangeLog: PR fortran/99840 * simplify.c (gfc_simplify_transpose): Properly initialize resulting shape. gcc/testsuite/ChangeLog: PR fortran/99840 * gfortran.dg/transpose_5.f90: New test. Diff: --- gcc/fortran/simplify.c | 4 ++-- gcc/testsuite/gfortran.dg/transpose_5.f90 | 8 ++++++++ 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c index 388aca7c38c..c27b47aa98f 100644 --- a/gcc/fortran/simplify.c +++ b/gcc/fortran/simplify.c @@ -8123,8 +8123,8 @@ gfc_simplify_transpose (gfc_expr *matrix) &matrix->where); result->rank = 2; result->shape = gfc_get_shape (result->rank); - mpz_set (result->shape[0], matrix->shape[1]); - mpz_set (result->shape[1], matrix->shape[0]); + mpz_init_set (result->shape[0], matrix->shape[1]); + mpz_init_set (result->shape[1], matrix->shape[0]); if (matrix->ts.type == BT_CHARACTER) result->ts.u.cl = matrix->ts.u.cl; diff --git a/gcc/testsuite/gfortran.dg/transpose_5.f90 b/gcc/testsuite/gfortran.dg/transpose_5.f90 new file mode 100644 index 00000000000..ed4b643acbf --- /dev/null +++ b/gcc/testsuite/gfortran.dg/transpose_5.f90 @@ -0,0 +1,8 @@ +! { dg-do compile } +! { dg-options "-O2" } +! PR fortran/99840 - ICE in gfc_simplify_matmul, at fortran/simplify.c:4777 +program p + integer, parameter :: x(0,0) = 0 + integer :: y(0,0) + y = matmul (x, transpose(x)) +end