Merge pull request dotnet/coreclr#18127 from CarolEidt/StructAbiDoc
authorCarol Eidt <carol.eidt@microsoft.com>
Tue, 29 May 2018 19:01:36 +0000 (12:01 -0700)
committerGitHub <noreply@github.com>
Tue, 29 May 2018 19:01:36 +0000 (12:01 -0700)
Design doc for struct passing

Commit migrated from https://github.com/dotnet/coreclr/commit/fc8b1560a4d2bfaaa981764d72cf67371fa82341


Trivial merge