PR18931, PATCH: Crash using integrated assembler with immediate arithmetic

[Stepan Dyatkovskiy]

Stepan Dyatkovskiy wrote:
> Hi all!
> Please find patch in attachment for review.
>
> Expression in test-case could not be evaluated on asm parsing stage,
> since it is impossible to resolve labels on this stage. In the end of
> stage we still have expression (MCExpr).
> Then, when we want to encode it, we expect it to be immediate, but it
> still expression.
> Patch introduces a Fixup (MCFixup instance), that is processed after
> main encoding stage.
> Patch also contains test-case.
>
> Thanks!
> -Stepan

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