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[SR-15032] SE-0293 using unapplied function reference cause SwiftUI preview crash #57359

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mattyoung opened this issue Aug 5, 2021 · 2 comments
Open

[SR-15032] SE-0293 using unapplied function reference cause SwiftUI preview crash #57359

mattyoung opened this issue Aug 5, 2021 · 2 comments
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself

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@mattyoung
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Previous ID SR-15032
Radar None
Original Reporter @mattyoung
Type Bug
Environment

Xcode Version 13.0 beta 4 (13A5201i)

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug
Assignee None
Priority Medium

md5: eedebad6187307bbee440fc3919498b8

Issue Description:

Create an Xcode SwiftUI iOS app project, paste this into ContentView.swift:

import SwiftUI

struct User: Identifiable {
    let id = UUID()
    var name: String
    var isContacted = false
}

final class Model: ObservableObject {
    @Published var users: [User]

    init(_ users: [User]) {
        self.users = users
    }
}

struct ContentView: View {
    @EnvironmentObject private var model: Model

    var body: some View {
        List($model.users, rowContent: itemView($user:))    // <=== !!! this cause preview to crash
        // this works:
        List($model.users) { $user in
            itemView($user: $user)
        }
    }

    func itemView(@Binding user: User) -> some View {
        EmptyView()
    }
}


struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        let data = [
            User(name: "Larry"),
            User(name: "Curly"),
            User(name: "Moe")
        ]
        ContentView()
            .environmentObject(Model(data))
    }
}

See https://forums.swift.org/t/for-swiftui-list-rowcontent-how-to-define-a-func-with-a-binding-property-wrapper-as-parameter/50782/9
@typesanitizer
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Could you attach a crash log?

@mattyoung
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Author

Crash log:

CompileDylibError: Failed to build ContentView.swift

Check the issue navigator for any compilation errors.

Please submit a bug report (Swift.org - Contributing) and include the project and the crash backtrace.
Stack dump:
0. Program arguments: /Users/mateo/Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c -primary-file /Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/Objects-normal/x86_64/ContentView.2.preview-thunk.swift -serialize-diagnostics-path /Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/Objects-normal/x86_64/ContentView.2.preview-thunk.dia -target x86_64-apple-ios14.0-simulator -enable-objc-interop -sdk /Users/mateo/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator15.0.sdk -I /Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Products/Debug-iphonesimulator -F /Users/mateo/Applications/Xcode-beta.app/Contents/SharedFrameworks-iphonesimulator -F /Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Products/Debug-iphonesimulator -enable-testing -module-cache-path /Users/mateo/Library/Developer/Xcode/DerivedData/ModuleCache.noindex -emit-localized-strings -emit-localized-strings-path /Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/Objects-normal/x86_64 -swift-version 5 -enforce-exclusivity=checked -Onone -D DEBUG -new-driver-path /Users/mateo/Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-driver -serialize-debugging-options -disable-modules-validate-system-headers -Xcc -working-directory -Xcc /Users/mateo/Devel/BugsBugs/PreviewCrashForFuncWPropWrapperParam -resource-dir /Users/mateo/Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -Xcc -I/Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/PreviewCrashForFuncWPropWrapperParam-generated-files.hmap -Xcc -I/Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/PreviewCrashForFuncWPropWrapperParam-own-target-headers.hmap -Xcc -I/Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/PreviewCrashForFuncWPropWrapperParam-all-target-headers.hmap -Xcc -iquote -Xcc /Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/PreviewCrashForFuncWPropWrapperParam-project-headers.hmap -Xcc -I/Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Products/Debug-iphonesimulator/include -Xcc -I/Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/DerivedSources-normal/x86_64 -Xcc -I/Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/DerivedSources/x86_64 -Xcc -I/Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/DerivedSources -Xcc -DDEBUG=1 -module-name PreviewCrashForFuncWPropWrapperParam_PreviewReplacement_ContentView_2 -target-sdk-version 15.0.0 -o /Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/Objects-normal/x86_64/ContentView.2.preview-thunk.o

Apple Swift version 5.5 (swiftlang-1300.0.27.6 clang-1300.0.27.2)
While evaluating request ASTLoweringRequest(Lowering AST to SIL for file "/Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/Objects-normal/x86_64/ContentView.2.preview-thunk.swift")
While silgen emitFunction SIL function "@$s36PreviewCrashForFuncWPropWrapperParam11ContentViewV0abcdefg1_a12Replacement_hI2_2E15__preview__body33_7817697A203B92A1C9DFE2D362513A75LLQrvg".
for getter for preview__body (at /Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/Objects-normal/x86_64/ContentView.2.preview-thunk.swift:28:49)
While silgen closureexpr SIL function "@$s36PreviewCrashForFuncWPropWrapperParam11ContentViewV0abcdefg1_a12Replacement_hI2_2E15__preview__body33_7817697A203B92A1C9DFE2D362513A75LLQrvgAC04itemI04userQr7SwiftUI7BindingVyAA4UserVG_tFQOy_Qo_ANcACcfu".
for expression at [/Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/Objects-normal/x86_64/ContentView.2.preview-thunk.swift:28:40 - line:28:55] RangeText="itemView($user:"
While silgen closureexpr SIL function "@$s36PreviewCrashForFuncWPropWrapperParam11ContentViewV0abcdefg1_a12Replacement_hI2_2E15__preview__body33_7817697A203B92A1C9DFE2D362513A75LLQrvgAC04itemI04userQr7SwiftUI7BindingVyAA4UserVG_tFQOy_Qo_ANcACcfu_AoNcfu0".
for expression at [/Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/Objects-normal/x86_64/ContentView.2.preview-thunk.swift:28:40 - line:28:55] RangeText="itemView($user:"
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var LLVM_SYMBOLIZER_PATH to point to it):
0 swift-frontend 0x0000000112542187 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 39
1 swift-frontend 0x0000000112541118 llvm::sys::RunSignalHandlers() + 248
2 swift-frontend 0x0000000112542796 SignalHandler(int) + 278
3 libsystem_platform.dylib 0x00007ff818c8e06d _sigtramp + 29
4 libsystem_platform.dylib 0xf6abc000c0001003 _sigtramp + 17774370760257122227
5 swift-frontend 0x000000010ddd0a37 swift::SILInstructionVisitor<LazyConformanceEmitter, void>::visit(swift::SILInstruction*) + 999
6 swift-frontend 0x000000010dd2c66b swift::Lowering::SILGenModule::emitFunctionDefinition(swift::SILDeclRef, swift::SILFunction*) + 2043
7 swift-frontend 0x000000010ddbdec0 (anonymous namespace)::RValueEmitter::visitAbstractClosureExpr(swift::AbstractClosureExpr*, swift::Lowering::SGFContext) + 240
8 swift-frontend 0x000000010dda99af swift::ASTVisitor<(anonymous namespace)::RValueEmitter, swift::Lowering::RValue, void, void, void, void, void, swift::Lowering::SGFContext>::visit(swift::Expr*, swift::Lowering::SGFContext) + 143
9 swift-frontend 0x000000010de21f92 swift::Lowering::SILGenFunction::emitReturnExpr(swift::SILLocation, swift::Expr*) + 450
10 swift-frontend 0x000000010ddca113 swift::Lowering::SILGenFunction::emitClosure(swift::AbstractClosureExpr*) + 1011
11 swift-frontend 0x000000010dd2c60e swift::Lowering::SILGenModule::emitFunctionDefinition(swift::SILDeclRef, swift::SILFunction*) + 1950
12 swift-frontend 0x000000010dd577ff (anonymous namespace)::SILGenApply::visitAbstractClosureExpr(swift::AbstractClosureExpr*) + 607
13 swift-frontend 0x000000010dd3f45b swift::Lowering::SILGenFunction::emitApplyExpr(swift::ApplyExpr*, swift::Lowering::SGFContext) + 251
14 swift-frontend 0x000000010dda997f swift::ASTVisitor<(anonymous namespace)::RValueEmitter, swift::Lowering::RValue, void, void, void, void, void, swift::Lowering::SGFContext>::visit(swift::Expr*, swift::Lowering::SGFContext) + 95
15 swift-frontend 0x000000010dd9d808 swift::Lowering::SILGenFunction::emitRValueAsSingleValue(swift::Expr*, swift::Lowering::SGFContext) + 40
16 swift-frontend 0x000000010dd87e69 swift::Lowering::SILGenFunction::emitConvertedRValue(swift::SILLocation, swift::Lowering::Conversion const&, swift::Lowering::SGFContext, llvm::function_ref<swift::Lowering::ManagedValue (swift::Lowering::SILGenFunction&, swift::SILLocation, swift::Lowering::SGFContext)>) + 393
17 swift-frontend 0x000000010dd513e6 (anonymous namespace)::ArgEmitter::emit(swift::Lowering::ArgumentSource&&, swift::Lowering::AbstractionPattern) + 3446
18 swift-frontend 0x000000010dd3cf29 (anonymous namespace)::ArgEmitter::emitSingleArg(swift::Lowering::ArgumentSource&&, swift::Lowering::AbstractionPattern) + 169
19 swift-frontend 0x000000010dd594d3 (anonymous namespace)::CallSite::emit(swift::Lowering::SILGenFunction&, swift::Lowering::AbstractionPattern, swift::CanTypeWrapperswift::SILFunctionType, (anonymous namespace)::ParamLowering&, llvm::SmallVectorImplswift::Lowering::ManagedValue&, llvm::SmallVectorImpl<(anonymous namespace)::DelayedArgument>&, swift::Lowering::CalleeTypeInfo::ForeignInfo const&) && + 675
20 swift-frontend 0x000000010dd58f7c (anonymous namespace)::CallEmission::emitArgumentsForNormalApply(swift::Lowering::AbstractionPattern, swift::CanTypeWrapperswift::SILFunctionType, swift::Lowering::CalleeTypeInfo::ForeignInfo const&, llvm::SmallVectorImplswift::Lowering::ManagedValue&, llvm::Optionalswift::SILLocation&) + 1276
21 swift-frontend 0x000000010dd42029 (anonymous namespace)::CallEmission::apply(swift::Lowering::SGFContext) + 2537
22 swift-frontend 0x000000010dd3fde6 swift::Lowering::SILGenFunction::emitApplyExpr(swift::ApplyExpr*, swift::Lowering::SGFContext) + 2694
23 swift-frontend 0x000000010dda997f swift::ASTVisitor<(anonymous namespace)::RValueEmitter, swift::Lowering::RValue, void, void, void, void, void, swift::Lowering::SGFContext>::visit(swift::Expr*, swift::Lowering::SGFContext) + 95
24 swift-frontend 0x000000010dd9aac6 swift::Lowering::SILGenFunction::emitExprInto(swift::Expr*, swift::Lowering::Initialization*, llvm::Optionalswift::SILLocation) + 118
25 swift-frontend 0x000000010dd8d57a swift::Lowering::SILGenFunction::emitPatternBinding(swift::PatternBindingDecl*, unsigned int) + 2250
26 swift-frontend 0x000000010dd3238d swift::ASTVisitor<swift::Lowering::SILGenFunction, void, void, void, void, void, void>::visit(swift::Decl*) + 125
27 swift-frontend 0x000000010de19c2c swift::ASTVisitor<(anonymous namespace)::StmtEmitter, void, void, void, void, void, void>::visit(swift::Stmt*) + 460
28 swift-frontend 0x000000010ddc8d68 swift::Lowering::SILGenFunction::emitFunction(swift::FuncDecl*) + 776
29 swift-frontend 0x000000010dd2e2c0 swift::Lowering::SILGenModule::emitFunctionDefinition(swift::SILDeclRef, swift::SILFunction*) + 9296
30 swift-frontend 0x000000010dd306f8 emitOrDelayFunction(swift::Lowering::SILGenModule&, swift::SILDeclRef, bool) + 376
31 swift-frontend 0x000000010dd2be58 swift::Lowering::SILGenModule::emitFunction(swift::FuncDecl*) + 216
32 swift-frontend 0x000000010de30785 SILGenExtension::visitFuncDecl(swift::FuncDecl*) + 277
33 swift-frontend 0x000000010e8bdd1a swift::AbstractStorageDecl::visitEmittedAccessors(llvm::function_ref<void (swift::AccessorDecl*)>) const + 90
34 swift-frontend 0x000000010de30658 SILGenExtension::visitVarDecl(swift::VarDecl*) + 360
35 swift-frontend 0x000000010de2c21b SILGenExtension::emitExtension(swift::ExtensionDecl*) + 59
36 swift-frontend 0x000000010dd36092 swift::ASTVisitor<swift::Lowering::SILGenModule, void, void, void, void, void, void>::visit(swift::Decl*) + 1938
37 swift-frontend 0x000000010dd3344c swift::ASTLoweringRequest::evaluate(swift::Evaluator&, swift::ASTLoweringDescriptor) const + 4172
38 swift-frontend 0x000000010de19655 swift::SimpleRequest<swift::ASTLoweringRequest, std::__1::unique_ptr<swift::SILModule, std::__1::default_deleteswift::SILModule > (swift::ASTLoweringDescriptor), (swift::RequestFlags)9>::evaluateRequest(swift::ASTLoweringRequest const&, swift::Evaluator&) + 197
39 swift-frontend 0x000000010dd383ec llvm::Expectedswift::ASTLoweringRequest::OutputType swift::Evaluator::getResultUncachedswift::ASTLoweringRequest(swift::ASTLoweringRequest const&) + 652
40 swift-frontend 0x000000010d679868 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 13304
41 swift-frontend 0x000000010d5bb718 main + 1032
42 dyld 0x000000011968f4d5 start + 421

|BuildInvocationError
|
|-|
|
|
|/Users/mateo/Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -F /Users/mateo/Applications/Xcode-beta.app/Contents/SharedFrameworks-iphonesimulator -enforce-exclusivity=checked -DDEBUG -sdk /Users/mateo/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator15.0.sdk -target x86_64-apple-ios14.0-simulator -module-cache-path /Users/mateo/Library/Developer/Xcode/DerivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -swift-version 5 -I /Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Products/Debug-iphonesimulator -F /Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Products/Debug-iphonesimulator -emit-localized-strings -emit-localized-strings-path /Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/Objects-normal/x86_64 -c -j4 -serialize-diagnostics -Xcc -I/Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/PreviewCrashForFuncWPropWrapperParam-generated-files.hmap -Xcc -I/Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/PreviewCrashForFuncWPropWrapperParam-own-target-headers.hmap -Xcc -I/Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/PreviewCrashForFuncWPropWrapperParam-all-target-headers.hmap -Xcc -iquote -Xcc /Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/PreviewCrashForFuncWPropWrapperParam-project-headers.hmap -Xcc -I/Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Products/Debug-iphonesimulator/include -Xcc -I/Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/DerivedSources-normal/x86_64 -Xcc -I/Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/DerivedSources/x86_64 -Xcc -I/Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/DerivedSources -Xcc -DDEBUG=1 -working-directory /Users/mateo/Devel/BugsBugs/PreviewCrashForFuncWPropWrapperParam /Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/Objects-normal/x86_64/ContentView.2.preview-thunk.swift -o /Users/mateo/Library/Developer/Xcode/DerivedData/PreviewCrashForFuncWPropWrapperParam-dwnrppkkgaqzyibjpemqiooqvwqg/Build/Intermediates.noindex/Previews/PreviewCrashForFuncWPropWrapperParam/Intermediates.noindex/PreviewCrashForFuncWPropWrapperParam.build/Debug-iphonesimulator/PreviewCrashForFuncWPropWrapperParam.build/Objects-normal/x86_64/ContentView.2.preview-thunk.o -module-name PreviewCrashForFuncWPropWrapperParam_PreviewReplacement_ContentView_2 -Onone -Xfrontend -disable-modules-validate-system-headers|

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself
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@mattyoung @typesanitizer