re PR c++/48574 (ICE)

Fix PR c++/48574

gcc/cp/

	PR c++/48574
	* class.c (fixed_type_or_null): Use type_dependent_p_push to test
	if the instance has a dependent initializer.

gcc/testsuite/

	PR c++/48574
	* g++.dg/template/dependent-expr8.C: New test case.

From-SVN: r173570

gcc/cp/ChangeLog

+2011-05-09  Dodji Seketeli  <dodji@redhat.com>
+
+	PR c++/48574
+	* class.c (fixed_type_or_null): Use type_dependent_p_push to test
+	if the instance has a dependent initializer.
+
 2011-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/48816

gcc/cp/class.c

@@ -5939,7 +5939,7 @@ 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))
+	      && !type_dependent_expression_p_push (DECL_INITIAL (instance))
 	      && !htab_find (ht, instance))
 	    {
 	      tree type;

gcc/testsuite/ChangeLog

+2011-05-09  Dodji Seketeli  <dodji@redhat.com>
+
+	PR c++/48574
+	* g++.dg/template/dependent-expr8.C: New test case.
+
 2011-05-07  Zdenek Dvorak  <ook@ucw.cz>
 
 	PR tree-optimization/48837

gcc/testsuite/g++.dg/template/dependent-expr8.C

+// Origin PR c++/48574
+// { dg-options "-std=c++0x" }
+// { dg-do compile }
+
+struct A
+{
+  virtual int foo();
+};
+
+void baz (int);
+
+template <typename T>
+void
+bar(T x)
+{
+  A &b = *x;
+  baz (b.foo ());
+}
+
+void
+foo()
+{
+  A a;
+  bar(&a);
+}