It would previously say things like
warning: input 'test/Frontend/foo.c' contained no tests
and have the user pull their hair trying to figure out what's wrong with that
file. This patch changes the message to the much clearer:
warning: no such file or directory: 'test/Frontend/foo.c'
Differential Revision: http://reviews.llvm.org/D4097
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210597 91177308-0d34-0410-b5e6-96231b3b80d8