https://bugs.gentoo.org/889020
--- a/src/mongo/util/boost_assert_shim.cpp
+++ b/src/mongo/util/boost_assert_shim.cpp
@@ -31,6 +31,7 @@
 
 #if defined(BOOST_ENABLE_ASSERT_DEBUG_HANDLER) && !defined(NDEBUG)
 
+#include <exception>
 #include <boost/assert.hpp>
 
 namespace mongo {
