[BOLT][NFC] Return Error from BinaryFunctionPass::runOnFunctions #81521
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As part of the effort to refactor old error handling code that
would directly call exit(1), in this patch we change the
interface to
BinaryFunctionPass
to return an Error onrunOnFunctions()
. This gives passes the ability to report aserious problem to the caller (RewriteInstance class), so the
caller may decide how to best handle the exceptional situation.
Co-authored-by: Rafael Auler rafaelauler@fb.com
Test Plan: NFC