Make driver tests more resilient to output trees containing symlinks --
the tests are making assertions about the name of the clang binary, so
we should ensure that the name is as stable as possible.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148767 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed