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db1b398ea0
Before this change, we were sometimes using introductory platform version as the starting version where a symbol is considered belonging to the original binary. However, this is insufficient because backdeploying to a platform version prior to a symbol's introductory version can happen. When it happens, we should expect the moved symbol to be found in the moved-from library, not the moved-to one. Expecting the symbol to be found in the moved-to library can lead to crasher. Resolves: rdar://159408187
33 lines
1.7 KiB
Swift
33 lines
1.7 KiB
Swift
// RUN: %target-swift-frontend -emit-ir -parse-as-library -parse-stdlib %s -module-name Swift -previous-module-installname-map-file %S/Inputs/backward_deploy_nominal.json | %FileCheck %s
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// RUN: %target-swift-frontend -emit-ir -parse-as-library -parse-stdlib %s -module-name Swift -previous-module-installname-map-file %S/Inputs/backward_deploy_nominal.json | %FileCheck %s --check-prefix=ALSO
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// RUN: %target-swift-frontend -emit-ir -parse-as-library -parse-stdlib %s -module-name Compatibility59 -module-abi-name Swift | %FileCheck %s --check-prefix=CHECK-SHIM
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// RUN: %target-swift-frontend -emit-ir -parse-as-library -parse-stdlib %s -module-name Compatibility59 -module-abi-name Swift | %FileCheck %s --check-prefix=ALSO-SHIM
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// RUN: %target-swift-emit-module-interface(%t/Swift.swiftinterface) %s -parse-as-library -parse-stdlib -module-name Swift
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// RUN: %FileCheck %s --check-prefix=CHECK-INTERFACE < %t/Swift.swiftinterface
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// REQUIRES: OS=macosx
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// Let's just pretend...
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@available(macOS 13, *)
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@_originallyDefinedIn(module: "Swift;Compatibility59", macOS 14)
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public struct Fridge<Contents> {}
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// Ultimately, both modules must export the same nominal type descriptor.
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// CHECK-DAG: @"$ss6FridgeVMn" =
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// CHECK-SHIM-DAG: @"$ss6FridgeVMn" =
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// The home module also has linker directives.
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// CHECK-DAG: @"\01$ld$previous$libswiftCompatibility59.dylib$$1$1.0$14.0$_$ss6FridgeVMn$" =
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// ALSO-NOT: $ld$hide$
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// The compatibility shim does not have any linker directives.
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// ALSO-SHIM-NOT: $ld$hide$
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// ALSO-SHIM-NOT: $ld$previous$
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// There is no @_originallyDefinedIn in the swiftinterface:
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// CHECK-INTERFACE-NOT: @_originallyDefinedIn
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// CHECK-INTERFACE: @available(macOS 13, *)
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// CHECK-INTERFACE-NEXT: public struct Fridge<Contents> {
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