[PATCH] D94371: [lld/mac] Implement -u flag

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

For ELF, both linkers (GNU ld,gold,LLD) and loaders (glibc,musl,FreeBSD rtld,etc) report undefined symbols only when relocations are present.


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https://reviews.llvm.org/D94371