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[Attributor] Fix for a crash on RAUW when rewriting function signature

Authored by sdmitriev on May 9 2020, 4:45 PM.

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sdmitriev created this revision.May 9 2020, 4:45 PM
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uenoku accepted this revision.May 10 2020, 9:57 AM

Looks reasonable to me.

This revision is now accepted and ready to land.May 10 2020, 9:57 AM
This revision was automatically updated to reflect the committed changes.

The fix is somewhat counter intuitive or I do not understand it. Checking if we have uses before replacing *all uses* seems redundant. I guess the different type was the problem, question is if we need the RAUW at all and if so, if the type might be different in other situations.