Quash TODO regarding catch by function type.  Add tests to back it up.

llvm-svn: 149530
diff --git a/libcxxabi/test/catch_function_01.cpp b/libcxxabi/test/catch_function_01.cpp
new file mode 100644
index 0000000..33999f2
--- /dev/null
+++ b/libcxxabi/test/catch_function_01.cpp
@@ -0,0 +1,31 @@
+//===----------------------- catch_function_01.cpp ------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// Can you have a catch clause of array type that catches anything?
+
+#include <cassert>
+
+void f() {}
+
+int main()
+{
+    typedef void Function();
+    try
+    {
+        throw f;     // converts to void (*)()
+        assert(false);
+    }
+    catch (Function& b)  // can't catch void (*)()
+    {
+        assert(false);
+    }
+    catch (...)
+    {
+    }
+}