Fix an incorrect assertion involving existential formation. #39454
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This assertion was tripping when the existential involved a marker protocol, because it was checking for the number of protocols rather than the number of protocols that require witness tables. Correct the assertion and add a test. Fixes rdar://83020734.
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@swift-ci please smoke test and merge |
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This assertion was tripping when the existential involved a marker
protocol, because it was checking for the number of protocols rather
than the number of protocols that require witness tables. Correct the
assertion and add a test.
Fixes rdar://83020734.