re PR c++/13594 (namespace association vs. templates part two)

PR c++/13594
* g++.dg/lookup/strong-using-2.C: New.

From-SVN: r75922

gcc/testsuite/ChangeLog

+2004-01-15  Alexandre Oliva  <aoliva@redhat.com>
+
+	PR c++/13594
+	* g++.dg/lookup/strong-using-2.C: New.
+
 2004-01-15  Marcus Comstedt <marcus@mc.pp.se>
 	    Dan Kegel <dank@kegel.com>
 	    J"orn Rennecke <joern.rennecke@superh.com>

gcc/testsuite/g++.dg/lookup/strong-using-2.C

+// PR c++/13594
+
+// { dg-do compile }
+
+namespace foo_impl {
+  class T; // { dg-error "first declared" "" }
+}
+namespace bar_impl {
+  class T; // { dg-error "also declared" "" }
+}
+namespace foo {
+  using namespace foo_impl __attribute__((strong));
+}
+namespace bar {
+  using namespace bar_impl __attribute__((strong));
+  using namespace foo;
+}
+namespace baz {
+  using namespace foo;
+  using namespace bar;
+}
+
+foo::T *t1;
+bar::T *t2;
+baz::T *t3; // { dg-error "(ambiguous|expected|extra)" "" }