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TableGen/GlobalISel: Don't take reference to temporary values

Authored by arsenm on Jan 14 2020, 11:11 AM.



These return temporary Optional<> values which are immediately
destroyed. I'm not sure why no sanitizers seem to have caught this,
but I encountered crashes on these in a future patch.

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arsenm created this revision.Jan 14 2020, 11:11 AM
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This revision is now accepted and ready to land.Jan 14 2020, 1:35 PM