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Introduce fake symbols that were present with the old concurrency ABI. #38088

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Merged
merged 2 commits into from
Jun 25, 2021
Merged

Introduce fake symbols that were present with the old concurrency ABI. #38088

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a08d642
Introduce fake symbols that were present with the old concurrency ABI.
DougGregor Jun 24, 2021
477849f
Fix #include
DougGregor Jun 24, 2021
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1 change: 1 addition & 0 deletions stdlib/public/Concurrency/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,7 @@ add_swift_target_library(swift_Concurrency ${SWIFT_STDLIB_LIBRARY_BUILD_TYPES} I
AsyncThrowingMapSequence.swift
AsyncThrowingPrefixWhileSequence.swift
GlobalActor.swift
LinkCompatibilityShims.cpp
MainActor.swift
PartialAsyncTask.swift
SourceCompatibilityShims.swift
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26 changes: 26 additions & 0 deletions stdlib/public/Concurrency/LinkCompatibilityShims.cpp
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@@ -0,0 +1,26 @@
//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2020 - 2021 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
// This file provides link compatibility shims to work through some ABI
// changes.
//===----------------------------------------------------------------------===//
#include "swift/Runtime/Config.h"

#define OLD_SYMBOL(NAME) \
SWIFT_EXPORT_FROM(swift_Concurrency) extern "C" void const * const NAME = nullptr;

OLD_SYMBOL($ss4TaskV6HandleVMn)
OLD_SYMBOL($ss4TaskV8PriorityOMa)
OLD_SYMBOL($ss4TaskV8PriorityO11unspecifiedyA2DmFWC)
OLD_SYMBOL($ss6detach8priority9operations4TaskV6HandleVy_xs5NeverOGAE8PriorityO_xyYaYbcntlF)
OLD_SYMBOL($ss6detach8priority9operations4TaskV6HandleVy_xs5NeverOGAE8PriorityO_xyYaYbcntlFfA_)
OLD_SYMBOL($ss18UnsafeContinuationVMn)