[PATCH] D81525: [Support] Initialize outs() errs() nulls() once

[James Henderson via Phabricator via llvm-commits]

jhenderson added a comment.

In D81525#2084521 <https://reviews.llvm.org/D81525#2084521>, @labath wrote:

> We could ensure that `outs()` is constructed before `errs()` even if they are not tied by default, just in case someone decides to tie them.


Probably best thing to do if they aren't tied by default would be to provide a struct that does the tying and untying of errs()/outs() in its constructor and destructor. That way, there's no risk of things going wrong.


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