re PR c++/34336 (4.2.2 internal error in stabilize_expr)

	PR c++/34336
	* tree.c (stabilize_call, stabilize_init): Do nothing if
	processing_template_decl.

	* g++.dg/template/new8.C: New test.

From-SVN: r130645

gcc/cp/ChangeLog

+2007-12-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/34336
+	* tree.c (stabilize_call, stabilize_init): Do nothing if
+	processing_template_decl.
+
 2007-12-05  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/34271

gcc/cp/tree.c

@@ -2602,8 +2602,11 @@ stabilize_call (tree call, tree *initp)
   int i;
   int nargs = call_expr_nargs (call);
 
-  if (call == error_mark_node)
-    return;
+  if (call == error_mark_node || processing_template_decl)
+    {
+      *initp = NULL_TREE;
+      return;
+    }
 
   gcc_assert (TREE_CODE (call) == CALL_EXPR);
 
@@ -2662,7 +2665,7 @@ stabilize_init (tree init, tree *initp)
 
   *initp = NULL_TREE;
 
-  if (t == error_mark_node)
+  if (t == error_mark_node || processing_template_decl)
     return true;
 
   if (TREE_CODE (t) == INIT_EXPR

gcc/testsuite/ChangeLog

+2007-12-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/34336
+	* g++.dg/template/new8.C: New test.
+
 2007-12-06  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/34333

gcc/testsuite/g++.dg/template/new8.C

+// PR c++/34336
+// { dg-do compile }
+
+struct A;
+
+template <class T>
+struct S
+{
+  T *m;
+  T &operator* () { return *m; }
+};
+
+struct B
+{
+  B (const A &);
+};
+
+template <class T>
+struct C
+{
+  C ();
+  S<A> c;
+};
+
+template <class T>
+C<T>::C ()
+{
+  B *b = new B (*c);
+}