[PATCH] D20137: [PCH] Fixed bugs with preamble invalidation when files change (on Windows)

[Richard Smith via cfe-commits]

rsmith added inline comments.

================
Comment at: lib/Frontend/ASTUnit.cpp:1402-1406
@@ +1401,7 @@
+
+        vfs::Status Status;
+        if (FileMgr->getNoncachedStatValue(RB.first, Status)) {
+          AnyFileChanged = true;
+          break;
+        }
+
----------------
Suppose file names A and B refer to file (inode) X, and the map contains X -> (A, hash). If B is deleted (and maybe recreated pointing at a new inode), this approach won't detect that anything has changed.


http://reviews.llvm.org/D20137