[modules] Merging for class-scope using-declarations.

llvm-svn: 219657

1 files changed, 50 insertions, 0 deletions

diff --git a/clang/test/Modules/Inputs/merge-using-decls/b.h b/clang/test/Modules/Inputs/merge-using-decls/b.h
new file mode 100644
index 00000000000..359555570a4
--- /dev/null
+++ b/clang/test/Modules/Inputs/merge-using-decls/b.h
@@ -0,0 +1,50 @@
+struct X {
+  int v;
+  typedef int t;
+};
+
+struct YB {
+  typedef YB Y;
+  int value;
+  typedef int type;
+};
+
+struct YBRev {
+  typedef int value;
+  int type;
+};
+
+template<typename T> struct C : X, T {
+  using T::value;
+  using typename T::type;
+  using X::v;
+  using typename X::t;
+};
+
+template<typename T> struct D : X, T {
+  // Mismatch in type/non-type-ness.
+  using typename T::value;
+  using T::type;
+  using X::v;
+  using typename X::t;
+};
+
+template<typename T> struct E : X, T {
+  // Mismatch in using/access-declaration-ness.
+  T::value;
+  X::v;
+};
+
+template<typename T> struct F : X, T {
+  // Mismatch in nested-name-specifier.
+  using T::Y::value;
+  using typename T::Y::type;
+  using ::X::v;
+  using typename ::X::t;
+};
+
+// Force instantiation.
+typedef C<YB>::type I;
+typedef D<YBRev>::t I;
+typedef E<YB>::type I;
+typedef F<YB>::type I;