[Bug fortran/108529] [10/11/12/13 Regression] ICE in transformational_result, at fortran/simplify.cc:478

[anlauf at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108529

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
                 CC|                            |anlauf at gcc dot gnu.org
   Last reconfirmed|                            |2023-01-24
     Ever confirmed|0                           |1

--- Comment #1 from anlauf at gcc dot gnu.org ---
Potential fix:

diff --git a/gcc/fortran/simplify.cc b/gcc/fortran/simplify.cc
index f413f132b3f..60f602ba57f 100644
--- a/gcc/fortran/simplify.cc
+++ b/gcc/fortran/simplify.cc
@@ -720,6 +720,7 @@ simplify_transformation (gfc_expr *array, gfc_expr *dim,
gfc_expr *mask,
   size_zero = gfc_is_size_zero_array (array);

   if (!(is_constant_array_expr (array) || size_zero)
+      || array->shape == NULL
       || !gfc_is_constant_expr (dim))
     return NULL;