------- Comment #3 from jvdelisle at gcc dot gnu dot org 2010-01-11 02:54
-------
This patch appears to avoid the problem. I have not looked farther up the call
chain yet to see where passing the NULL in name2 should be avoided completely
for the test case.
Index: interface.c
===================================================================
--- interface.c (revision 155799)
+++ interface.c (working copy)
@@ -955,6 +955,9 @@
{
gfc_formal_arglist *f1, *f2;
+ if (name2 == NULL)
+ return 0;
+
if (s1->attr.function && (s2->attr.subroutine
|| (!s2->attr.function && s2->ts.type == BT_UNKNOWN
&& gfc_get_default_type (name2, s2->ns)->type == BT_UNKNOWN)))
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42684
