[PATCH] D95998: [Debug-Info] [NFC] use emitDwarfUnitLength to handle debug line section unit length field

[ChenZheng via Phabricator via llvm-commits]

shchenz added a comment.

Because now, we call `emitLabel` inside `emitDwarfUnitLength` and `emitLabel` is not a constant function and it needs to be emitted inside a section, so we:
1: change the prototype for `emitDwarfUnitLength` to use non-const `MCSymbol`;
2: add MCSection in unit test when testing for `emitDwarfUnitLength`

@ikudrin Could you please help to have another look? Thanks.


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https://reviews.llvm.org/D95998