re PR c++/3719 (Unable to retrow exception in unexpected exception handler.)

        PR c++/3719
        * libsupc++/eh_personality.cc (__cxa_call_unexpected): Copy handler
        data out of the exception struct before calling unexpectedHandler.

	* g++.dg/eh/unexpected1.C: New.

From-SVN: r51623

1 files changed, 46 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/eh/unexpected1.C b/gcc/testsuite/g++.dg/eh/unexpected1.C
new file mode 100644
index 0000000..26a5848
--- /dev/null
+++ b/gcc/testsuite/g++.dg/eh/unexpected1.C
@@ -0,0 +1,46 @@
+// PR 3719
+// Test that an unexpected handler can rethrow to categorize.
+// { dg-do run }
+
+#include <exception>
+
+extern "C" void abort ();
+
+struct One { };
+struct Two { };
+
+static void
+handle_unexpected ()
+{
+  try
+  {
+    throw;
+  }
+  catch (One &)
+  {
+    throw Two ();
+  }
+}
+
+static void
+doit () throw (Two)
+{
+  throw One ();
+}
+
+main ()
+{
+  std::set_unexpected (handle_unexpected);
+
+  try
+  {
+    doit ();
+  }
+  catch (Two &)
+  {
+  }
+  catch (...)
+  {
+    abort ();
+  }
+}