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10b30fef78
This doesn't fix the fundamental problem of correctly handling such cases, but
it is better than the "error message" that occurred previously:
Assertion failed: ((bool)typeSig == (bool)extensionSig && "unexpected generic-ness mismatch on conformance").
Fixes the crash rdar://problem/41281406 (that in
https://bugs.swift.org/browse/SR-6569 (rdar://problem/36068136)),
https://bugs.swift.org/browse/SR-8019 (rdar://problem/41216423) and
https://bugs.swift.org/browse/SR-7989 (rdar://problem/41126254).
11 lines
272 B
Swift
11 lines
272 B
Swift
// RUN: %target-typecheck-verify-swift
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protocol P {
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associatedtype A: P
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}
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struct Type<Param> {}
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extension Type: P where Param: P, Param.A == Type<Param> { // expected-error {{requirement involves recursion that is not currently supported}}
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typealias A = Param
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}
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