[PATCH] D47852: [Support] Re-work the Flags parameter of the FileSystem open APIs

[Reid Kleckner via Phabricator via llvm-commits]

rnk added inline comments.


================
Comment at: llvm/lib/Support/Unix/Path.inc:742
+    Result |= O_CREAT; // Create if it doesn't exist.
+    Result |= O_EXCL;  // Fail if it does.
+  } else if (Disp == CD_CreateAlways) {
----------------
TIL about `O_EXCL`.


https://reviews.llvm.org/D47852