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2c295abb1b
* [IRGen] Properly handle empty payloads in getEnumTagMultipayload rdar://97914498 The generated code assumed that payloads would always be at least 1 byte long, ignoring the possibility of empty payloads, causing runtime crashes when using empty payloads in multi payload enums. * Fix test * Remove unnecessary basic block
33 lines
763 B
Swift
33 lines
763 B
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swiftc_driver -Xfrontend -disable-availability-checking -O -Xllvm -sil-opt-pass-count=0 -Xfrontend -disable-llvm-optzns %s -o %t/out
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// RUN: %target-codesign %t/out
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// RUN: %target-run %t/out
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// REQUIRES: executable_test
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// REQUIRES: foundation
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// This is a regression test that ensures that empty payloads in multi
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// payload enums are properly handled.
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import Foundation
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@inline(never)
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func crash() {
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let testURL = URL(string: "https://www.google.com")!
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let r = Resource<()>(url: testURL, method: .get)
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print(r.url)
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}
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enum HTTPMethod<Payload> {
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case get
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case post(Payload)
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case patch(Payload)
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}
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struct Resource<Payload> {
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let url: URL
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let method: HTTPMethod<Payload>
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}
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crash()
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