From a3cbf2a738042819bb2d7d4fae048e633d2588d2 Mon Sep 17 00:00:00 2001
From: Vassil Vassilev <v.g.vassilev@gmail.com>
Date: Wed, 30 Mar 2016 20:10:07 +0000
Subject: [PATCH] [modules] Add a regression test for PR21547.

llvm-svn: 264908
---
 clang/test/Modules/Inputs/PR21547/FirstHeader.h    | 13 +++++++++++++
 clang/test/Modules/Inputs/PR21547/module.modulemap |  4 ++++
 clang/test/Modules/pr21547.cpp                     |  7 +++++++
 3 files changed, 24 insertions(+)
 create mode 100644 clang/test/Modules/Inputs/PR21547/FirstHeader.h
 create mode 100644 clang/test/Modules/Inputs/PR21547/module.modulemap
 create mode 100644 clang/test/Modules/pr21547.cpp

diff --git a/clang/test/Modules/Inputs/PR21547/FirstHeader.h b/clang/test/Modules/Inputs/PR21547/FirstHeader.h
new file mode 100644
index 0000000..a01c607
--- /dev/null
+++ b/clang/test/Modules/Inputs/PR21547/FirstHeader.h
@@ -0,0 +1,13 @@
+template<class Element> struct TMatrixT;
+typedef TMatrixT<double> TMatrixD;
+
+void f(const TMatrixD &m);
+
+template<class Element> struct TMatrixT {
+  template <class Element2> TMatrixT(const TMatrixT<Element2> &);
+  ~TMatrixT() {}
+  void Determinant () { f(*this); }
+};
+
+template struct TMatrixT<float>;
+template struct TMatrixT<double>;
diff --git a/clang/test/Modules/Inputs/PR21547/module.modulemap b/clang/test/Modules/Inputs/PR21547/module.modulemap
new file mode 100644
index 0000000..8ca0643
--- /dev/null
+++ b/clang/test/Modules/Inputs/PR21547/module.modulemap
@@ -0,0 +1,4 @@
+module M {
+  header "FirstHeader.h"
+  export *
+}
diff --git a/clang/test/Modules/pr21547.cpp b/clang/test/Modules/pr21547.cpp
new file mode 100644
index 0000000..db3b6dd
--- /dev/null
+++ b/clang/test/Modules/pr21547.cpp
@@ -0,0 +1,7 @@
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -I%S/Inputs/PR21547 -verify %s
+// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I%S/Inputs/PR21547 -verify %s
+
+#include "Inputs/PR21547/FirstHeader.h"
+
+//expected-no-diagnostics
-- 
2.7.4