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From: "kargl at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/101565] ICE in gfc_simplify_image_index, at
 fortran/simplify.c:8234
Date: Wed, 21 Jul 2021 18:43:09 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101565

kargl at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |kargl at gcc dot gnu.org
             Status|UNCONFIRMED                 |NEW
           Priority|P3                          |P4
   Last reconfirmed|                            |2021-07-21
     Ever confirmed|0                           |1

--- Comment #1 from kargl at gcc dot gnu.org ---
diff --git a/gcc/fortran/check.c b/gcc/fortran/check.c
index 27bf3a7eafe..e0162f16348 100644
--- a/gcc/fortran/check.c
+++ b/gcc/fortran/check.c
@@ -5970,6 +5970,13 @@ gfc_check_image_index (gfc_expr *coarray, gfc_expr *=
sub)
       return false;
     }

+  if (sub->ts.type !=3D BT_INTEGER)
+    {
+      gfc_error ("Type of %s argument of IMAGE_INDEX at %L shall be INTEGE=
R",
+                gfc_current_intrinsic_arg[1]->name, &sub->where);
+      return false;
+    }
+
   if (gfc_array_size (sub, &nelems))
     {
       int corank =3D gfc_get_corank (coarray);=