[PATCH] D22310: Make the test for fno-pch-timestamp compatible with read-only checkouts.

[Benjamin Kramer via cfe-commits]

bkramer added a subscriber: bkramer.
bkramer accepted this revision.
bkramer added a reviewer: bkramer.
bkramer added a comment.
This revision is now accepted and ready to land.

lg


https://reviews.llvm.org/D22310