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From: Harald Anlauf <anlauf@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r11-10101] Fortran: fix checking of arguments to UNPACK when MASK is a variable [PR105813] Date: Fri, 1 Jul 2022 17:10:09 +0000 (GMT) [thread overview] Message-ID: <20220701171009.80B8B3858D28@sourceware.org> (raw) https://gcc.gnu.org/g:9902f93edd43853cd958b2e124878865da69a177 commit r11-10101-g9902f93edd43853cd958b2e124878865da69a177 Author: Harald Anlauf <anlauf@gmx.de> Date: Fri Jun 24 22:21:39 2022 +0200 Fortran: fix checking of arguments to UNPACK when MASK is a variable [PR105813] gcc/fortran/ChangeLog: PR fortran/105813 * check.c (gfc_check_unpack): Try to simplify MASK argument to UNPACK so that checking of the VECTOR argument can work when MASK is a variable. gcc/testsuite/ChangeLog: PR fortran/105813 * gfortran.dg/unpack_vector_1.f90: New test. (cherry picked from commit f21f17f95c0237f4f987a5fa9f1fa9c7e0db3c40) Diff: --- gcc/fortran/check.c | 2 ++ gcc/testsuite/gfortran.dg/unpack_vector_1.f90 | 12 ++++++++++++ 2 files changed, 14 insertions(+) diff --git a/gcc/fortran/check.c b/gcc/fortran/check.c index 1add9436dce..4e2736fef1e 100644 --- a/gcc/fortran/check.c +++ b/gcc/fortran/check.c @@ -6342,6 +6342,8 @@ gfc_check_unpack (gfc_expr *vector, gfc_expr *mask, gfc_expr *field) if (!same_type_check (vector, 0, field, 2)) return false; + gfc_simplify_expr (mask, 0); + if (mask->expr_type == EXPR_ARRAY && gfc_array_size (vector, &vector_size)) { diff --git a/gcc/testsuite/gfortran.dg/unpack_vector_1.f90 b/gcc/testsuite/gfortran.dg/unpack_vector_1.f90 new file mode 100644 index 00000000000..5347c111e8f --- /dev/null +++ b/gcc/testsuite/gfortran.dg/unpack_vector_1.f90 @@ -0,0 +1,12 @@ +! { dg-do compile } +! PR fortran/105813 +! Fix checking of VECTOR argument to UNPACK when MASK is a variable. +! Contributed by G.Steinmetz + +program p + logical, parameter :: mask(2,2) = reshape ([.true., .true., & + .false., .true.], & + shape (mask)) + print *, unpack ([1,2,3], mask, 0) ! OK + print *, unpack ([1,2], mask, 0) ! { dg-error "must provide at least" } +end
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