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0dcb936531
Instead of computing it from the extended type after deserialization -- which is tricky to do, due to potential presence of protocol compositions -- we obtain the extended nominal directly. Fixes SR-11227 and linked rdar://problem/53712389.
47 lines
1.7 KiB
Swift
47 lines
1.7 KiB
Swift
// RUN: %target-typecheck-verify-swift
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// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -primary-file %s %S/Inputs/composition_extension_usage.swift -emit-module-path %t/P-partial.swiftmodule -module-name SR11227 -enable-testing
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// RUN: %target-swift-frontend -primary-file %S/Inputs/composition_extension_usage.swift %s -emit-module-path %t/S-partial.swiftmodule -module-name SR11227 -enable-testing
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// RUN: %target-swift-frontend -sil-merge-partial-modules %t/P-partial.swiftmodule %t/S-partial.swiftmodule -emit-module -o %t/SR11227.swiftmodule
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protocol P1 {}
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protocol P1_1 : P1 {
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func p1_1()
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}
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protocol P2 {}
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extension P1 & P1_1 where Self : P2 {
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// expected-warning@-1 {{extending a protocol composition is not supported; extending 'P1' instead}}
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// expected-note@-2 {{did you mean to extend the most specific type 'P1_1' instead?}} {{11-20=P1_1}}
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func p1_1() {}
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}
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extension P1_1 & P1 where Self : P2 {
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// expected-warning@-1 {{extending a protocol composition is not supported; extending 'P1_1' instead}} {{11-20=P1_1}}
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func p1_1_alt() {}
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}
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typealias T1 = P1 & P1_1
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extension T1 {
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// expected-warning@-1 {{extending a protocol composition is not supported; extending 'P1' instead}}
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// expected-note@-2 {{did you mean to extend the most specific type 'P1_1' instead?}} {{11-13=P1_1}}
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func t1() {}
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}
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typealias T2 = T1
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extension T2 {
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// expected-warning@-1 {{extending a protocol composition is not supported; extending 'P1' instead}}
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// expected-note@-2 {{did you mean to extend the most specific type 'P1_1' instead?}} {{11-13=P1_1}}
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func t2() {}
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}
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typealias T3 = P1_1 & P1
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extension T3 { // Ideally, we should emit a warning here but the current implementation doesn't do that.
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func t3() {}
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}
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