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9ee996cf82
Otherwise, the initializer won't be inherited properly onto a subclass, resulting in the base class being allocated instead of the subclass when using Sub.init(from:). https://bugs.swift.org/browse/SR-8083
26 lines
1.5 KiB
Swift
26 lines
1.5 KiB
Swift
// RUN: %target-swift-frontend -emit-silgen %s | %FileCheck %s
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class SR8083_Base: Codable {
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var thing: String { return "Abstract" }
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}
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class SR8083_Sub: SR8083_Base {
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override var thing: String { return "Yo" }
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}
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func sr8083(decoder: Decoder) throws {
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_ = try SR8083_Sub(from: decoder)
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}
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// CHECK-LABEL: sil_vtable SR8083_Base {
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// CHECK-DAG: #SR8083_Base.init!initializer.1: (SR8083_Base.Type) -> () -> SR8083_Base : @$S23class_codable_inherited11SR8083_BaseCACycfc // SR8083_Base.init()
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// CHECK-DAG: #SR8083_Base.init!allocator.1: (SR8083_Base.Type) -> (Decoder) throws -> SR8083_Base : @$S23class_codable_inherited11SR8083_BaseC4fromACs7Decoder_p_tKcfC
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// CHECK-DAG: #SR8083_Base.init!initializer.1: (SR8083_Base.Type) -> (Decoder) throws -> SR8083_Base : @$S23class_codable_inherited11SR8083_BaseC4fromACs7Decoder_p_tKcfc // SR8083_Base.init(from:)
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// CHECK: {{^}$}}
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// CHECK-LABEL: sil_vtable SR8083_Sub {
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// CHECK-DAG: #SR8083_Base.init!initializer.1: (SR8083_Base.Type) -> () -> SR8083_Base : @$S23class_codable_inherited10SR8083_SubCACycfc [override] // SR8083_Sub.init()
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// CHECK-DAG: #SR8083_Base.init!allocator.1: (SR8083_Base.Type) -> (Decoder) throws -> SR8083_Base : @$S23class_codable_inherited10SR8083_SubC4fromACs7Decoder_p_tKcfC [override] // SR8083_Sub.__allocating_init(from:)
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// CHECK-DAG: #SR8083_Base.init!initializer.1: (SR8083_Base.Type) -> (Decoder) throws -> SR8083_Base : @$S23class_codable_inherited10SR8083_SubC4fromACs7Decoder_p_tKcfc [override] // SR8083_Sub.init(from:)
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// CHECK: {{^}$}}
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