[PATCH] D67166: Win: handle \\?UNC\ prefix in realPathFromHandle (PR43204)

[Hans Wennborg via Phabricator via llvm-commits]

hans added a comment.

In D67166#1658031 <https://reviews.llvm.org/D67166#1658031>, @rnk wrote:

> As discussed, maybe we should try harder to revert whatever made us more dependent on this.


I think we should do both. Even if we revert to become less dependent on this function, I think we should also try to fix the UNC case which is obviously broken here.


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