SIL linker: don't try to synthesize witness tables for marker protocols. #42132
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We never have them, we never need them, and we'll crash if there were one for a conformance of a non-nominal type to such a protocol. Fixes rdar://91126885 .
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We never have them, we never need them, and we'll crash if there were
one for a conformance of a non-nominal type to such a protocol.
Fixes rdar://91126885 .