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cef3139d03
In Swift 4.1 we fixed a false negative and started looking through reabstraction thunks to statically find exclusivity violations. To lessen source impact, we treated these violations as warnings. This commit upgrades those warnings to errors. rdar://problem/34669400
19 lines
647 B
Swift
19 lines
647 B
Swift
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -import-objc-header %S/Inputs/optional_closure_bridging.h -enforce-exclusivity=checked -swift-version 4 -emit-sil -primary-file %s -o /dev/null -verify
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// REQUIRES: objc_interop
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import Foundation
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class SomeClass {
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@objc
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func testCallNoEscapeBlockDirectly(_ c: @convention(block) () -> ()) {
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c()
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}
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}
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func testOptionalImport() {
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var x = 0
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// expected-error@+2{{overlapping accesses to 'x', but modification requires exclusive access; consider copying to a local variable}}
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// expected-note@+1{{conflicting access is here}}
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SomeObjCInterface.perform(&x) { x += 1 }
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}
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