diff --git a/contrib/libstdc++/libsupc++/unwind-cxx.h b/contrib/libstdc++/libsupc++/unwind-cxx.h
index 523c05479dfa..7eb150e059bb 100644
--- a/contrib/libstdc++/libsupc++/unwind-cxx.h
+++ b/contrib/libstdc++/libsupc++/unwind-cxx.h
@@ -133,7 +133,7 @@ extern "C" void __cxa_bad_typeid ();
 // throws, and if bad_exception needs to be thrown.  Called from the
 // compiler.
 extern "C" void __cxa_call_unexpected (void *) __attribute__((noreturn));
-extern "C" void __cxa_call_terminate (void*) __attribute__((noreturn));
+extern "C" void __cxa_call_terminate (_Unwind_Exception*) __attribute__((noreturn));
 
 #ifdef __ARM_EABI_UNWINDER__
 // Arm EABI specified routines.