Take DW_AT_comp_dir from $PWD when it's present and starts with a '/'. This is
closer to what GCC does, except that GCC also checks that the inodes for $PWD
and '.' match.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142633 91177308-0d34-0410-b5e6-96231b3b80d8
7 files changed