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From Martin Von Loewis.
       * g++.ns/{alias2.C, alias5.C, koenig4.C, lookup3.C ns13.C,
       ns14.C, ns15.C, template3.C, undef1.C, using4.C, using5.C,
       using6.C, using7.C}:  New namespace tests.

From-SVN: r21042

gcc/testsuite/g++.old-deja/g++.ns/alias2.C

+//Build don't link:
+namespace NS1
+{
+  int a;
+}
+
+namespace NS2 = NonExistant; //ERROR - 
+

gcc/testsuite/g++.old-deja/g++.ns/alias5.C

+namespace foo{
+ int eine_funktion(int)
+ {
+   return 0;
+ }
+}
+
+namespace foo{
+ void eine_funktion(int,int)
+ {}
+}
+
+namespace bar = foo;
+
+int main()
+{
+  return bar::eine_funktion(3);
+}