commit 4d26f8932d77306049f2815dbddc44b9c39895c5
author Reid Kleckner <rnk@google.com> Thu Oct 10 01:14:22 2019 +0000
committer Reid Kleckner <rnk@google.com> Thu Oct 10 01:14:22 2019 +0000
tree 2eb60e26eb3c9d85087ef3d93c3288aaeb781016
parent fa29e307035ae592247836aef3e3c401cb9ff559

Re-land [mangle] Fix mangling where an extra mangle context is required.

This reverts r374268 (git commit c34385d07c7d59447bf836b740f032235391d121)

I think I reverted this by mistake, so I'm relanding it. While my bisect
found this revision, I think the crashes I'm seeing locally must be
environmental. Maybe the version of clang I'm using miscompiles tot
clang.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@374269 91177308-0d34-0410-b5e6-96231b3b80d8