Rewording as requested on D50126 after the change was pushed.
llvm-svn: 338755
ResultPath.push_back(0);
ResultPath.pop_back();
- // Limit the number of attempts we make, so that we don't infinite loop when
- // we run out of filenames that fit the model.
+ // Limit the number of attempts we make, so that we don't infinite loop. E.g.
+ // "permission denied" could be for a specific file (so we retry with a
+ // different name) or for the whole directory (retry would always fail).
+ // Checking which is racy, so we try a number of times, then give up.
std::error_code EC;
for (int Retries = 128; Retries > 0; --Retries) {
// Replace '%' with random chars.