[Constraint solver] Use the type representative in the "occurs" check. #5475
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When performing the occurs check, look for the *representative* of the type variable we're about to bind, rather than the type variable itself. Fixes rdar://problem/26845038, SR-1512, SR-1902, SR2635, SR-2852, and SR-2766.
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@swift-ci please smoke test and merge |
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When performing the occurs check, look for the representative of the
type variable we're about to bind, rather than the type variable
itself. Fixes rdar://problem/26845038, SR-1512, SR-1902, SR2635,
SR-2852, and SR-2766.