1 files changed, 23 insertions, 0 deletions

diff --git a/test/SemaCXX/exceptions.cpp b/test/SemaCXX/exceptions.cpp
index 2ed4bfe885623..18349d10ef71c 100644
--- a/test/SemaCXX/exceptions.cpp
+++ b/test/SemaCXX/exceptions.cpp
@@ -97,3 +97,26 @@ BadReturn::BadReturn(int) try {
     }
   }
 }
+
+// Cannot throw an abstract type.
+class foo {
+public:
+  foo() {}
+  void bar () {
+    throw *this; // expected-error{{cannot throw an object of abstract type 'foo'}}
+  }
+  virtual void test () = 0; // expected-note{{pure virtual function 'test'}}
+};
+
+namespace PR6831 {
+  namespace NA { struct S; }
+  namespace NB { struct S; }
+  
+  void f() {
+    using namespace NA;
+    using namespace NB;
+    try {
+    } catch (int S) { 
+    }
+  }
+}