Upstream-Status: Inappropriate [Backport]
From a236530cd5ac2466b1ca3b510b6bdb493c7b5342 Mon Sep 17 00:00:00 2001
From: dodji <dodji@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 13 Apr 2011 15:19:40 +0000
Subject: [PATCH 113/200] Fix PR c++/48574

gcc/cp/

	* class.c (fixed_type_or_null): We cannot determine the dynamic
	type of a reference variable if its initializer is dependent.

gcc/testsuite/

	* g++.dg/template/dependent-expr7.C: New test case.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@172376 138bc75d-0d04-0410-961f-82ee72b054a4

index 42066c3..d19610a 100644
--- a/gcc/cp/class.c
+++ b/gcc/cp/class.c
@@ -5937,6 +5937,7 @@ fixed_type_or_null (tree instance, int *nonnull, int *cdtorp)
 	     itself.  */
 	  if (TREE_CODE (instance) == VAR_DECL
 	      && DECL_INITIAL (instance)
+	      && !type_dependent_expression_p (DECL_INITIAL (instance))
 	      && !htab_find (ht, instance))
 	    {
 	      tree type;
new file mode 100644
index 0000000..b246820
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/dependent-expr7.C
@@ -0,0 +1,22 @@
+// Origin PR c++/48574
+// { dg-do compile }
+
+struct A
+{
+  virtual void foo();
+};
+
+template <typename T>
+void
+bar(T x)
+{
+  A &b = *x;
+  b.foo ();
+}
+
+void
+foo()
+{
+  A a;
+  bar(&a);
+}
-- 
1.7.0.4