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215fbf1d97
This still doesn't handle the case where a non-concrete anchor has a concrete parent; that requires switching the archetype representation to be "flat". Fixes <rdar://problem/84734584>.
29 lines
488 B
Swift
29 lines
488 B
Swift
// RUN: %target-typecheck-verify-swift
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protocol P1 {
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associatedtype T1
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}
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protocol P2 {
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associatedtype T2 : P1
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}
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struct S1 : P1 {
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typealias T1 = S2
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}
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struct S2 {}
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func foo<X1: P2, X2: P1>(_: X1, _: X2)
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where X2.T1 == S2 { }
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func bar<X1: P2, X2: P1>(x: X1, u: X2, uu: X2.T1)
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where X1.T2 == S1, X2.T1: P1, X2.T1.T1 == S2 {
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// this call should type-check successfully
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foo(x, uu)
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// so should this
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let _: S2.Type = X2.T1.T1.self
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let _: S2.Type = X1.T2.T1.self
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}
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