[PATCH] D18422: Add Cache Pruning support

[Mehdi AMINI via llvm-commits]

joker.eph added inline comments.

================
Comment at: lib/Support/CachePruning.cpp:102
@@ +101,3 @@
+    // there.
+    if (sys::fs::status(File->path(), FileStatus))
+      continue;
----------------
tejohnson wrote:
> When would that happen? Not sure what "nothing interesting there" means or if this is an error?
Just means we can't read this file I guess? (copy pasted from clang module pruning)


http://reviews.llvm.org/D18422