mirror of
https://github.com/apple/swift.git
synced 2026-10-18 17:49:23 +02:00
Kavon Farvardin
149ee8f02d
A reparented extension can have availability that is newer than the two protocols involved. In such a case, we were mistakenly not considering the availability of that extension when determining whether the base conformance descriptor should be `weak extern`. rdar://181953862
23 lines
1.1 KiB
Swift
23 lines
1.1 KiB
Swift
// RUN: %empty-directory(%t)
|
|
// RUN: %target-swift-frontend -enable-experimental-feature Reparenting -enable-library-evolution -emit-module %S/Inputs/reparentable_availability_lib.swift -o %t
|
|
|
|
// A conformance to P references the base conformance descriptor for P: RP,
|
|
// but because of the availability of the @reparented extension, that
|
|
// conformance descriptor is only available in macOS 14, so it should be
|
|
// weak-linked when targeting platforms older than that.
|
|
|
|
// OLD: @"$s{{.*}}1PPAA2RPTb" = extern_weak global
|
|
// RUN: %target-swift-frontend -module-name output -enable-experimental-feature Reparenting -target %target-cpu-apple-macosx13 -emit-ir -parse-as-library %s -I %t | %FileCheck %s --check-prefix=OLD
|
|
|
|
// NEW: @"$s{{.*}}1PPAA2RPTb" = external global
|
|
// RUN: %target-swift-frontend -module-name output -enable-experimental-feature Reparenting -target %target-cpu-apple-macosx14 -emit-ir -parse-as-library %s -I %t | %FileCheck %s --check-prefix=NEW
|
|
|
|
// REQUIRES: OS=macosx
|
|
// REQUIRES: swift_feature_Reparenting
|
|
|
|
import reparentable_availability_lib
|
|
|
|
public struct C: P {
|
|
public func doP() {}
|
|
}
|