tree 290c980444c29bb574f4844e11fa1667701c09c4
parent acb2b8dd66dd370fa70a02e84366ef52f909ed83
author Argyrios Kyrtzidis <akyrtzi@gmail.com> 1355212088 +0000
committer Argyrios Kyrtzidis <akyrtzi@gmail.com> 1355212088 +0000

[PCH] When writing out the list of input files, avoid emitting duplicate
entries of the same file.

This can happen because the file was "included" multiple times and is
referenced by multiple SLocEntries.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169829 91177308-0d34-0410-b5e6-96231b3b80d8