Add FlushAsync (dotnet/corefx#37458)
authorGérald Barré <meziantou@users.noreply.github.com>
Mon, 6 May 2019 02:28:17 +0000 (22:28 -0400)
committerStephen Toub <stoub@microsoft.com>
Mon, 6 May 2019 02:28:17 +0000 (22:28 -0400)
commite3c91c74765517329f7f5bf380efeeae830edaf8
tree511e148526de3e9aed6476bebb46914beafabade
parenta87da6c63d40d2b0341e6f28c973ad4edee147df
Add FlushAsync (dotnet/corefx#37458)

Commit migrated from https://github.com/dotnet/corefx/commit/322eeeb25e1b5eae950bb6494383406902def5f9
src/libraries/System.Private.Xml.Linq/src/System/Xml/Linq/XDocument.cs