commit 95450987fec7b9e98440dbf2d9445685469b0c81
Author: Tim Shen <timshen@google.com>
Date:   Fri Oct 14 02:17:48 2016 -0700

    2016-10-14  Tim Shen  <timshen@google.com>
    
    	PR libstdc++/77944
    	* libstdc++-v3/include/std/variant: include <bits/funcexcept.h> for
    	__try and __catch.

diff --git a/libstdc++-v3/include/std/variant b/libstdc++-v3/include/std/variant
index 48baf9a..314f5f2 100644
--- a/libstdc++-v3/include/std/variant
+++ b/libstdc++-v3/include/std/variant
@@ -38,6 +38,7 @@
 #include <type_traits>
 #include <utility>
 #include <bits/enable_special_members.h>
+#include <bits/functexcept.h>
 #include <bits/move.h>
 #include <bits/uses_allocator.h>