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

1 files changed, 23 insertions, 0 deletions

diff --git a/clang/test/CXX/class.derived/class.abstract/p5.cpp b/clang/test/CXX/class.derived/class.abstract/p5.cpp
new file mode 100644
index 0000000..cdff931
--- /dev/null
+++ b/clang/test/CXX/class.derived/class.abstract/p5.cpp
@@ -0,0 +1,23 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+struct A {
+  virtual void f() = 0; // expected-note{{unimplemented pure virtual method}}
+};
+
+struct B : A {
+  virtual void f();
+};
+
+struct C : B {
+  virtual void f() = 0; // expected-note 2{{unimplemented pure virtual method}}
+};
+
+struct D : C {
+};
+
+void test() {
+  (void)new A; // expected-error{{abstract class}}
+  (void)new B;
+  (void)new C; // expected-error{{abstract class}}
+  (void)new D; // expected-error{{abstract class}}
+}