teak-llvm/clang/test/SemaCXX/warn-using-namespace-in-header.cpp
Douglas Gregor 96a4bddefb Add an opt-in -Wheader-hygiene, which current diagnoses the use of
global using directives in C++ headers, from Elliot Glaysher!

llvm-svn: 127881
2011-03-18 16:10:52 +00:00

10 lines
309 B
C++

// RUN: %clang_cc1 -fsyntax-only -Wheader-hygiene -verify %s
#include "warn-using-namespace-in-header.h"
namespace dont_warn {}
using namespace dont_warn;
// Warning is actually in the header but only the cpp file gets scanned.
// expected-warning {{using namespace directive in global context in header}}