1 files changed, 52 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/eh/forced4.C b/gcc/testsuite/g++.dg/eh/forced4.C
new file mode 100644
index 000000000..17fd94a40
--- /dev/null
+++ b/gcc/testsuite/g++.dg/eh/forced4.C
@@ -0,0 +1,52 @@
+// HP-UX libunwind.so doesn't provide _UA_END_OF_STACK.
+// { dg-do run { xfail "ia64-hp-hpux11.*" } }
+
+// Test that forced unwinding does not call std::unexpected going 
+// throw a function with a non-empty exception spec.
+
+#include <unwind.h>
+#include <stdlib.h>
+#include <string.h>
+
+static _Unwind_Reason_Code
+force_unwind_stop (int version, _Unwind_Action actions,
+                   _Unwind_Exception_Class exc_class,
+                   struct _Unwind_Exception *exc_obj,
+                   struct _Unwind_Context *context,
+                   void *stop_parameter)
+{
+  if (actions & _UA_END_OF_STACK)
+    abort ();
+  return _URC_NO_REASON;
+}
+
+static void __attribute__((noreturn))
+force_unwind ()
+{
+  _Unwind_Exception *exc = new _Unwind_Exception;
+  // exception_class might not be a scalar.
+  memset (&exc->exception_class, 0, sizeof (exc->exception_class));
+  exc->exception_cleanup = 0;
+
+#ifndef __USING_SJLJ_EXCEPTIONS__
+  _Unwind_ForcedUnwind (exc, force_unwind_stop, 0);
+#else
+  _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);
+#endif
+
+  abort ();
+}
+
+static void
+doit () throw(int)
+{
+  force_unwind ();
+}
+
+int main()
+{ 
+  try {
+    doit ();
+  } catch (...) {
+  }
+}