Add the clang library to the repo (with some of my changes, too).

1 files changed, 89 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/warn-unused-filescoped.cpp b/clang/test/SemaCXX/warn-unused-filescoped.cpp
new file mode 100644
index 0000000..dbff4b0
--- /dev/null
+++ b/clang/test/SemaCXX/warn-unused-filescoped.cpp
@@ -0,0 +1,89 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -Wunused -Wunused-member-function %s
+
+static void f1(); // expected-warning{{unused}}
+
+namespace {
+  void f2();  // expected-warning{{unused}}
+
+  void f3() { }  // expected-warning{{unused}}
+
+  struct S {
+    void m1() { }  // expected-warning{{unused}}
+    void m2();  // expected-warning{{unused}}
+    void m3();
+    S(const S&);
+    void operator=(const S&);
+  };
+
+  template <typename T>
+  struct TS {
+    void m();
+  };
+  template <> void TS<int>::m() { }  // expected-warning{{unused}}
+
+  template <typename T>
+  void tf() { }
+  template <> void tf<int>() { }  // expected-warning{{unused}}
+  
+  struct VS {
+    virtual void vm() { }
+  };
+  
+  struct SVS : public VS {
+    void vm() { }
+  };
+}
+
+void S::m3() { }  // expected-warning{{unused}}
+
+static inline void f4() { }
+const unsigned int cx = 0;
+
+static int x1;  // expected-warning{{unused}}
+
+namespace {
+  int x2;  // expected-warning{{unused}}
+  
+  struct S2 {
+    static int x;  // expected-warning{{unused}}
+  };
+
+  template <typename T>
+  struct TS2 {
+    static int x;
+  };
+  template <> int TS2<int>::x;  // expected-warning{{unused}}
+}
+
+namespace PR8841 {
+  // Ensure that friends of class templates are considered to have a dependent
+  // context and not marked unused.
+  namespace {
+    template <typename T> struct X {
+      friend bool operator==(const X&, const X&) { return false; }
+    };
+  }
+  template <typename T> void template_test(X<T> x) {
+    (void)(x == x);
+  }
+  void test() {
+    X<int> x;
+    template_test(x);
+  }
+}
+
+namespace test4 {
+  namespace { struct A {}; }
+
+  void test(A a); // expected-warning {{unused function}}
+  extern "C" void test4(A a);
+}
+
+namespace rdar8733476 {
+  static void foo() { } // expected-warning {{not needed and will not be emitted}}
+
+  template <int>
+  void bar() {
+    foo();
+  }
+}