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AST: Introduce the SwiftLanguageMode availability domain spelling.

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Require `-enable-experimental-feature SwiftRuntimeAvailability` to use this new
spelling.
This commit is contained in:
Allan Shortlidge
2025-10-07 09:50:39 -07:00
parent 4e9a883824
commit 2d8465b043
8 changed files with 69 additions and 17 deletions
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0
test/Availability/availability_swift_versions.swift → test/Availability/availability_swift_language_mode.swift
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16
test/Availability/availability_swift_runtime.swift Normal file
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@@ -0,0 +1,16 @@
// RUN: %target-typecheck-verify-swift -parse-as-library -enable-experimental-feature SwiftRuntimeAvailability
// REQUIRES: swift_feature_SwiftRuntimeAvailability
@available(swift 99) // expected-warning {{'swift' has been renamed to 'SwiftLanguageMode'}}{{12-17=SwiftLanguageMode}}
func availableInSwift99() { }
// expected-note@-1 {{'availableInSwift99()' was introduced in Swift 99}}
@available(SwiftLanguageMode 99)
func availableInSwift99LanguageMode() { }
// expected-note@-1 {{'availableInSwift99LanguageMode()' was introduced in Swift 99}}
func testUses() {
availableInSwift99() // expected-error {{'availableInSwift99()' is unavailable in Swift}}
availableInSwift99LanguageMode() // expected-error {{'availableInSwift99LanguageMode()' is unavailable in Swift}}
}