add edition to regression test

This commit is contained in:
Niko Matsakis 2019-08-12 18:33:53 -04:00
parent cbe8518407
commit a02a171e6a

@ -4,6 +4,7 @@
// Regression test for #63500.
//
// check-pass
// edition:2018
#![feature(async_await)]