[clang-tidy] Handle using-decls with more than one shadow decl.

Reviewers: alexfh

Subscribers: cfe-commits, djasper

Differential Revision: http://reviews.llvm.org/D20429

llvm-svn: 270191

1 files changed, 6 insertions, 0 deletions

diff --git a/clang-tools-extra/test/clang-tidy/misc-unused-using-decls.cpp b/clang-tools-extra/test/clang-tidy/misc-unused-using-decls.cpp
index fa741af8501..5871f4aca9d 100644
--- a/clang-tools-extra/test/clang-tidy/misc-unused-using-decls.cpp
+++ b/clang-tools-extra/test/clang-tidy/misc-unused-using-decls.cpp
@@ -31,6 +31,8 @@ int UnusedFunc() { return 1; }
 template <typename T> int UsedTemplateFunc() { return 1; }
 template <typename T> int UnusedTemplateFunc() { return 1; }
 template <typename T> int UsedInTemplateFunc() { return 1; }
+void OverloadFunc(int);
+void OverloadFunc(double);
 
 class ostream {
 public:
@@ -79,6 +81,10 @@ template <typename T> void Callee() {
   UsedInTemplateFunc<T>();
 }
 
+using n::OverloadFunc; // OverloadFunc
+// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: using decl 'OverloadFunc' is unused
+// CHECK-FIXES: {{^}}// OverloadFunc
+
 #define DEFINE_INT(name)        \
   namespace INT {               \
   static const int _##name = 1; \