1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/fortran/decl.c b/gcc/fortran/decl.c
index 7ff2f0d..ae68c09f 100644
--- a/gcc/fortran/decl.c
+++ b/gcc/fortran/decl.c
@@ -1495,10 +1495,14 @@ gfc_set_constant_character_len (int len, gfc_expr *expr, int check_len)
   gfc_char_t *s;
   int slen;
 
-  gcc_assert (expr->expr_type == EXPR_CONSTANT);
-
   if (expr->ts.type != BT_CHARACTER)
     return;
+ 
+  if (expr->expr_type != EXPR_CONSTANT)
+    {
+      gfc_error_now ("CHARACTER length must be a constant at %L", &expr->where);
+      return;
+    }
 
   slen = expr->value.character.length;
   if (len != slen)