From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2071) id EB4E83858D1E; Fri, 30 Sep 2022 20:33:16 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org EB4E83858D1E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1664569996; bh=i+9STgs3mJN51y5kUTn8sY6bIQuXFvbUMjkSJkRKohQ=; h=From:To:Subject:Date:From; b=TkAz+Ytcv5otJT93q5Pj5FSig0NO01GHrmsEpYYIK0v9xSaLc6xGP5LyPF03tnN3f XXW0fNqYjqQQ9+cQaAUXJK43g+4ceJ7xQxBEEQffc1aBruXSu3+fRBbS35RmcyYmMx 4yJLakavyY4gzLMRGQU/xXyx3jDsJUfSmEiMUkSo= 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 r11-10281] Fortran: improve error recovery while simplifying size of bad array [PR103694] X-Act-Checkin: gcc X-Git-Author: Harald Anlauf X-Git-Refname: refs/heads/releases/gcc-11 X-Git-Oldrev: 02646956ec8106c5eef510707fbf71f047cbf5cd X-Git-Newrev: 6a552015b9c4b2e029a47f44f1866578e3af5bd0 Message-Id: <20220930203316.EB4E83858D1E@sourceware.org> Date: Fri, 30 Sep 2022 20:33:16 +0000 (GMT) List-Id: https://gcc.gnu.org/g:6a552015b9c4b2e029a47f44f1866578e3af5bd0 commit r11-10281-g6a552015b9c4b2e029a47f44f1866578e3af5bd0 Author: Harald Anlauf Date: Tue Aug 23 22:16:14 2022 +0200 Fortran: improve error recovery while simplifying size of bad array [PR103694] gcc/fortran/ChangeLog: PR fortran/103694 * simplify.c (simplify_size): The size expression of an array cannot be simplified if an error occurs while resolving the array spec. gcc/testsuite/ChangeLog: PR fortran/103694 * gfortran.dg/pr103694.f90: New test. (cherry picked from commit 55d8c5409325001c89c35c3d04d425dec9127146) Diff: --- gcc/fortran/simplify.c | 5 +++-- gcc/testsuite/gfortran.dg/pr103694.f90 | 11 +++++++++++ 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c index a1834e33081..3b033a6be92 100644 --- a/gcc/fortran/simplify.c +++ b/gcc/fortran/simplify.c @@ -7488,8 +7488,9 @@ simplify_size (gfc_expr *array, gfc_expr *dim, int k) } for (ref = array->ref; ref; ref = ref->next) - if (ref->type == REF_ARRAY && ref->u.ar.as) - gfc_resolve_array_spec (ref->u.ar.as, 0); + if (ref->type == REF_ARRAY && ref->u.ar.as + && !gfc_resolve_array_spec (ref->u.ar.as, 0)) + return NULL; if (dim == NULL) { diff --git a/gcc/testsuite/gfortran.dg/pr103694.f90 b/gcc/testsuite/gfortran.dg/pr103694.f90 new file mode 100644 index 00000000000..3ed8b2088da --- /dev/null +++ b/gcc/testsuite/gfortran.dg/pr103694.f90 @@ -0,0 +1,11 @@ +! { dg-do compile } +! PR fortran/103694 - ICE in gfc_conv_expr_op +! Contributed by G.Steinmetz + +subroutine s + type t + integer :: a(2) + end type + type(t) :: x((0.)/0) + integer :: n = size(x(1)%a) ! { dg-error "does not reduce to a constant expression" } +end