[Bug fortran/105813] ICE in gfc_simplify_unpack, at fortran/simplify.cc:8490

[anlauf at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105813

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |anlauf at gcc dot gnu.org

--- Comment #2 from anlauf at gcc dot gnu.org ---
Simpler fix:

diff --git a/gcc/fortran/check.cc b/gcc/fortran/check.cc
index 0c2cb50c6a7..91d87a1b2c1 100644
--- a/gcc/fortran/check.cc
+++ b/gcc/fortran/check.cc
@@ -6353,6 +6353,8 @@ 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))
     {