Use path information from .info files when computing common prefix information.
This partially implements PR 2705: http://llvm.org/bugs/show_bug.cgi?id=2705


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55327 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed