[cfe-commits] [PATCH] Warn if -isysroot is given an invalid path

[Jordan Rose]

>> I can see bootstrapping scenarios such that you wouldn't want it. Possible to only put this warning into -Weverything and not into any other warning level? (TBH I didn't look at the patch so you may have done this…)
> 
> I didn't put it under -Weverything, but that's a good suggestion.  Thanks, Eric.

All warnings are under -Weverything. I think what Eric meant is that this should be DefaultIgnore.

Jordan
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