Add a bailout path to protocol requirement source formation #27885
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The GSB will try to form and note invalid constraints, but there are a few paths that aren't prepared for error types to pop up. Add a defensive check to formProtocolRelativeType to make sure we don't wind up force-casting an error type. Fixes rdar://56116278
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@swift-ci please smoke test and merge |
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The GSB will try to form and note invalid constraints, but there are
a few paths that aren't prepared for error types to pop up. Add
a defensive check to formProtocolRelativeType to make sure we don't wind
up force-casting an error type.
Fixes rdar://56116278