Amir Ayupov a5f3d1a803 [BOLT][NFC] Return Error from BinaryFunctionPass::runOnFunctions (#81521) ...

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 on
`runOnFunctions()`. This gives passes the ability to report a
serious 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

2024-02-12 14:36:12 -08:00

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