1 // { dg-do assemble  }
2 //
3 // Copyright (C) 2000 Free Software Foundation, Inc.
4 // Contributed by Nathan Sidwell 26 Feb 2001 <nathan@codesourcery.com>
5 
6 // Bug 75. using declarations cannot introduce functions which ambiguate
7 // those in the current namespace, BUT here we're reaccessing the current
8 // namespace -- the function is not being 'introduced'.
9 
10 extern int a();
11 struct x {};
12 
13 using ::x;
14 using ::a;
15 
16 extern "C" void foo ();		// { dg-error "previous declaration" }
17 
18 namespace {
19   extern "C" int foo ();	// { dg-error "C.*linkage" }
20   using ::foo; // { dg-error "" } already in use
21 }
22