Revert "[VFS] Allow multiple RealFileSystem instances with independent CWDs."
authorAmara Emerson <aemerson@apple.com>
Mon, 14 Jan 2019 18:32:09 +0000 (18:32 +0000)
committerAmara Emerson <aemerson@apple.com>
Mon, 14 Jan 2019 18:32:09 +0000 (18:32 +0000)
commite07cdb107e775cdb872752a95d1f622b2c1097fd
treea635402f60b39983dcc381799b4293cb0ae10390
parent0d039525dfeab9c3b39581e949cc7394057cb747
Revert "[VFS] Allow multiple RealFileSystem instances with independent CWDs."
This reverts commit r351079, r351069 and r351050 as it broken the greendragon bots on macOS.

llvm-svn: 351091
llvm/include/llvm/Support/VirtualFileSystem.h
llvm/lib/Support/VirtualFileSystem.cpp
llvm/unittests/Support/VirtualFileSystemTest.cpp