From 2ca340aed3cef22d7d9a37a2d8bf393e77bb0ea1 Mon Sep 17 00:00:00 2001
From: Jason Merrill <jason@yorick.cygnus.com>
Date: Wed, 10 Sep 1997 02:53:42 +0000
Subject: * pt.c (unify): Just return 0 for a TYPENAME_TYPE.

From-SVN: r15213
---
 gcc/cp/pt.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'gcc/cp/pt.c')

diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index 88af38b..83e5040 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -3141,6 +3141,12 @@ unify (tparms, targs, ntparms, parm, arg, nsubsts, strict)
 
   switch (TREE_CODE (parm))
     {
+    case TYPENAME_TYPE:
+      /* In a type which contains a nested-name-specifier, template
+	 argument values cannot be deduced for template parameters used
+	 within the nested-name-specifier.  */
+      return 0;
+
     case TEMPLATE_TYPE_PARM:
       (*nsubsts)++;
       idx = TEMPLATE_TYPE_IDX (parm);
-- 
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