Use camel-case names, remove some dead code, and fix a copy-and-pasted test. llvm-svn: 201691
Explicit operator bool doesn't not play nicely with gtest assertion macros (i.e. it performs as advertised and I wish that gtest subverted it for me). llvm-svn: 201639
Provides a way to merge multiple vfs::FileSystem objects into a single filesystem. llvm-svn: 201635
Ben Langmuir