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

2 files changed, 57 insertions, 0 deletions

diff --git a/clang/test/CXX/basic/basic.def.odr/p1-var.cpp b/clang/test/CXX/basic/basic.def.odr/p1-var.cpp
new file mode 100644
index 0000000..892f546
--- /dev/null
+++ b/clang/test/CXX/basic/basic.def.odr/p1-var.cpp
@@ -0,0 +1,21 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+// C++ [basic.def.odr]p1:
+//   No translation unit shall contain more than one definition of any
+//   variable, [...].
+
+// Bad: in C++, these are both definitions. None of that C99 tentative stuff.
+int i; // expected-note {{previous}}
+int i; // expected-error {{redefinition}}
+
+// OK: decl + def
+extern int j;
+int j;
+
+// OK: def + decl
+int k;
+extern int k;
+
+// Bad. The important thing here is that we don't emit the diagnostic twice.
+int l = 1; // expected-note {{previous}}
+int l = 2; // expected-error {{redefinition}}
diff --git a/clang/test/CXX/basic/basic.def.odr/p2-typeid.cpp b/clang/test/CXX/basic/basic.def.odr/p2-typeid.cpp
new file mode 100644
index 0000000..55debe3
--- /dev/null
+++ b/clang/test/CXX/basic/basic.def.odr/p2-typeid.cpp
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+// C++ [basic.def.odr]p2:
+//   An expression is potentially evaluated unless it [...] is the
+//   operand of the typeid operator and the expression does not
+//   designate an lvalue of polymorphic class type.
+
+// FIXME: This should really include <typeinfo>, but we don't have that yet.
+namespace std {
+  class type_info;
+}
+
+struct Poly {
+  virtual ~Poly();
+};
+
+struct NonPoly { };
+
+template<typename T, typename Result = T> 
+struct X {
+  Result f(T t) { return t + t; } // expected-error{{invalid operands}}
+
+  void g(T t) {
+    (void)typeid(f(t)); // expected-note{{here}}
+  }
+};
+
+void test(X<Poly> xp, X<Poly, Poly&> xpr, X<NonPoly> xnp, X<NonPoly, NonPoly&> xnpr) {
+  // These are okay (although GCC and EDG get them wrong).
+  xp.g(Poly());
+  xnp.g(NonPoly());
+  xnpr.g(NonPoly());
+
+  // Triggers an error (as it should);
+  xpr.g(Poly()); // expected-note{{instantiation of member function}}
+}