From 5fa0e8530e447068cb120d9e6e2fe0d7f42dc37c Mon Sep 17 00:00:00 2001
From: Steve Ellcey <sje@cup.hp.com>
Date: Thu, 15 Jan 2009 18:07:46 +0000
Subject: [PATCH] re PR c++/38357 (ICE cc1plus (Segmentation fault))
PR c++/38357
* pt.c (tsubst): Check for NULL args.
From-SVN: r143402
---
gcc/cp/ChangeLog | 5 +++++
gcc/cp/pt.c | 3 +++
2 files changed, 8 insertions(+)
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 07b9c7e49e6d..af7f0c06b9e3 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2009-01-15 Steve Ellcey <sje@cup.hp.com>
+
+ PR c++/38357
+ * pt.c (tsubst): Check for NULL args.
+
2009-01-15 Dodji Seketeli <dodji@redhat.com>
PR c++/38636
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index de70e531d0be..0618fe243287 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -8975,6 +8975,9 @@ tsubst (tree t, tree args, tsubst_flags_t complain, tree in_decl)
if (DECL_P (t))
return tsubst_decl (t, args, complain);
+ if (args == NULL_TREE)
+ return t;
+
if (TREE_CODE (t) == IDENTIFIER_NODE)
type = IDENTIFIER_TYPE_VALUE (t);
else
--
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