clang-tidy: [misc-unused-using-decls] Support template types.

This fixes llvm.org/PR27429.

llvm-svn: 266866

1 files changed, 7 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 053e65d43fd..d9f6b2174a6 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
@@ -8,6 +8,8 @@ class B;
 class C;
 class D;
 class D { public: static int i; };
+template <typename T> class E {};
+template <typename T> class F {};
 }
 
 // ----- Using declarations -----
@@ -18,11 +20,16 @@ using n::A; // A
 using n::B;
 using n::C;
 using n::D;
+using n::E; // E
+// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: using decl 'E' is unused
+// CHECK-FIXES: {{^}}// E
+using n::F;
 
 // ----- Usages -----
 void f(B b);
 void g() {
   vector<C> data;
   D::i = 1;
+  F<int> f;
 }