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bcd6caaea4
Prevent migration from handling declarations that come from a module different from the current one, this is primarily a problem for swiftinterfaces that can get rebuilt when the module is imported by a model that has migration mode enabled. Resolves: rdar://152687353
45 lines
1.3 KiB
Swift
45 lines
1.3 KiB
Swift
// RUN: %empty-directory(%t/src)
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// RUN: split-file %s %t/src
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/// Build the library
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// RUN: %target-swift-frontend -emit-module %t/src/Lib.swift \
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// RUN: -target %target-swift-5.1-abi-triple \
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// RUN: -module-name Lib -swift-version 5 -enable-library-evolution \
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// RUN: -emit-module-path %t/Lib.swiftmodule \
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// RUN: -emit-module-interface-path %t/Lib.swiftinterface
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// RUN: rm %t/Lib.swiftmodule
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// Build the client using interface
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// RUN: %target-swift-frontend -typecheck -verify -target %target-swift-5.1-abi-triple -swift-version 5 -I %t %t/src/Test.swift -enable-upcoming-feature NonisolatedNonsendingByDefault:migrate
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// REQUIRES: asserts
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// REQUIRES: swift_feature_NonisolatedNonsendingByDefault
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//--- Lib.swift
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public struct Counter: AsyncSequence {
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public typealias Element = Int
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public init(howHigh: Int) {
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}
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public struct AsyncIterator: AsyncIteratorProtocol {
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public mutating func next() async -> Int? {
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nil
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}
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}
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public func makeAsyncIterator() -> AsyncIterator {
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AsyncIterator()
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}
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}
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//--- Test.swift
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import Lib
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func count(n: Int) async {
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// expected-warning@-1 {{feature 'NonisolatedNonsendingByDefault' will cause nonisolated async global function 'count' to run on the caller's actor; use '@concurrent' to preserve behavior}}
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for await _ in Counter(howHigh: n) {
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}
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}
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