From 5976fbf9d5dd9542fcb82eebb2185886fd52d000 Mon Sep 17 00:00:00 2001 From: Harald Anlauf Date: Tue, 20 Sep 2022 22:41:48 +0200 Subject: [PATCH] Fortran: error recovery on invalid ARRAY argument to FINDLOC [PR106986] gcc/fortran/ChangeLog: PR fortran/106986 * simplify.cc (gfc_simplify_findloc): Do not try to simplify intrinsic FINDLOC when the ARRAY argument has a NULL shape. gcc/testsuite/ChangeLog: PR fortran/106986 * gfortran.dg/pr106986.f90: New test. --- gcc/fortran/simplify.cc | 1 + gcc/testsuite/gfortran.dg/pr106986.f90 | 8 ++++++++ 2 files changed, 9 insertions(+) create mode 100644 gcc/testsuite/gfortran.dg/pr106986.f90 diff --git a/gcc/fortran/simplify.cc b/gcc/fortran/simplify.cc index 140c17721a7..c0fbd0ed7c2 100644 --- a/gcc/fortran/simplify.cc +++ b/gcc/fortran/simplify.cc @@ -5895,6 +5895,7 @@ gfc_simplify_findloc (gfc_expr *array, gfc_expr *value, gfc_expr *dim, bool back_val = false; if (!is_constant_array_expr (array) + || array->shape == NULL || !gfc_is_constant_expr (dim)) return NULL; diff --git a/gcc/testsuite/gfortran.dg/pr106986.f90 b/gcc/testsuite/gfortran.dg/pr106986.f90 new file mode 100644 index 00000000000..a309b25d181 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/pr106986.f90 @@ -0,0 +1,8 @@ +! { dg-do compile } +! PR fortran/106986 - ICE in simplify_findloc_nodim +! Contributed by G.Steinmetz + +program p + integer, parameter :: a(:) = [1] ! { dg-error "deferred shape" } + print *, findloc (a, 1) +end -- 2.35.3