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[SR-9022] Code completion crash in swift::GenericParamKey::findIndexIn #51525

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nathawes opened this issue Oct 17, 2018 · 2 comments
Closed

[SR-9022] Code completion crash in swift::GenericParamKey::findIndexIn #51525

nathawes opened this issue Oct 17, 2018 · 2 comments
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. code completion Area → source tooling: code completion compiler The Swift compiler in itself crash Bug: A crash, i.e., an abnormal termination of software source tooling Area: IDE support, SourceKit, and other source tooling

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@nathawes
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Previous ID SR-9022
Radar rdar://problem/45328122
Original Reporter @nathawes
Type Bug
Status Resolved
Resolution Done
Additional Detail from JIRA
Votes 0
Component/s CodeCompletion
Labels Bug, CompilerCrash
Assignee None
Priority Medium

md5: d7e067e69f24011c7e9da17435122bc4

Issue Description:

To reproduce:

$ git clone https://github.com/davecom/SwiftGraph.git 
$ cd SwiftGraph 
$ git checkout -f 6c8c5d699db17f3726776656a09f058bb29d76ec 
$ open SwiftGraph.xcodeproj 
{code} Then in Xcode: 
# Select the October 3 swift.org dev snapshot toolchain 
# Select the "SwiftGraph > My Mac" scheme + dest 
# Navigate to Graph.swift # On line 287 add a space after the "i" in "public subscript(i: Int) -> V {" and invoke code completion to trigger the crash below:

Thread 3 Crashed:
0 com.apple.SourceKitService.4.2.2018100301_osx 0x00000001023e98cc swift::GenericParamKey::findIndexIn(swift::ArrayRefView<swift::Type, swift::GenericTypeParamType*, swift::GenericTypeParamType* swift::staticCastHelper<swift::GenericTypeParamType>(swift::Type const&), true>) const + 12
1 com.apple.SourceKitService.4.2.2018100301_osx 0x00000001023fea0d swift::GenericSignatureBuilder::maybeResolveEquivalenceClass(swift::Type, swift::ArchetypeResolutionKind, bool) + 237
2 com.apple.SourceKitService.4.2.2018100301_osx 0x00000001024155d3 llvm::Optional<swift::Type> llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>::callback_fn<resolveDependentMemberTypes(swift::GenericSignatureBuilder&, swift::Type)::$_69>(long, swift::TypeBase*) + 259
3 com.apple.SourceKitService.4.2.2018100301_osx 0x00000001024790a6 swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 214
4 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
5 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
6 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010241561c llvm::Optional<swift::Type> llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>::callback_fn<resolveDependentMemberTypes(swift::GenericSignatureBuilder&, swift::Type)::$_69>(long, swift::TypeBase*) + 332
7 com.apple.SourceKitService.4.2.2018100301_osx 0x00000001024790a6 swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 214
8 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
9 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
10 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010241561c llvm::Optional<swift::Type> llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>::callback_fn<resolveDependentMemberTypes(swift::GenericSignatureBuilder&, swift::Type)::$_69>(long, swift::TypeBase*) + 332
11 com.apple.SourceKitService.4.2.2018100301_osx 0x00000001024790a6 swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 214
12 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
13 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
14 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010241561c llvm::Optional<swift::Type> llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>::callback_fn<resolveDependentMemberTypes(swift::GenericSignatureBuilder&, swift::Type)::$_69>(long, swift::TypeBase*) + 332
15 com.apple.SourceKitService.4.2.2018100301_osx 0x00000001024790a6 swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 214
16 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
17 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
18 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010241561c llvm::Optional<swift::Type> llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>::callback_fn<resolveDependentMemberTypes(swift::GenericSignatureBuilder&, swift::Type)::$_69>(long, swift::TypeBase*) + 332
19 com.apple.SourceKitService.4.2.2018100301_osx 0x00000001024790a6 swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 214
20 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
21 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
22 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010241561c llvm::Optional<swift::Type> llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>::callback_fn<resolveDependentMemberTypes(swift::GenericSignatureBuilder&, swift::Type)::$_69>(long, swift::TypeBase*) + 332
23 com.apple.SourceKitService.4.2.2018100301_osx 0x00000001024790a6 swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 214
24 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
25 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
26 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010241561c llvm::Optional<swift::Type> llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>::callback_fn<resolveDependentMemberTypes(swift::GenericSignatureBuilder&, swift::Type)::$_69>(long, swift::TypeBase*) + 332
27 com.apple.SourceKitService.4.2.2018100301_osx 0x00000001024790a6 swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 214
28 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
29 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
30 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010241561c llvm::Optional<swift::Type> llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>::callback_fn<resolveDependentMemberTypes(swift::GenericSignatureBuilder&, swift::Type)::$_69>(long, swift::TypeBase*) + 332
31 com.apple.SourceKitService.4.2.2018100301_osx 0x00000001024790a6 swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 214
32 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
33 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
34 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010241561c llvm::Optional<swift::Type> llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>::callback_fn<resolveDependentMemberTypes(swift::GenericSignatureBuilder&, swift::Type)::$_69>(long, swift::TypeBase*) + 332
35 com.apple.SourceKitService.4.2.2018100301_osx 0x00000001024790a6 swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 214
36 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
37 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
38 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010241561c llvm::Optional<swift::Type> llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>::callback_fn<resolveDependentMemberTypes(swift::GenericSignatureBuilder&, swift::Type)::$_69>(long, swift::TypeBase*) + 332
39 com.apple.SourceKitService.4.2.2018100301_osx 0x00000001024790a6 swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 214
40 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
41 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
42 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010241561c llvm::Optional<swift::Type> llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>::callback_fn<resolveDependentMemberTypes(swift::GenericSignatureBuilder&, swift::Type)::$_69>(long, swift::TypeBase*) + 332
43 com.apple.SourceKitService.4.2.2018100301_osx 0x00000001024790a6 swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 214
44 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
45 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010247929c swift::Type::transformRec(llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>) const + 716
46 com.apple.SourceKitService.4.2.2018100301_osx 0x000000010241561c llvm::Optional<swift::Type> llvm::function_ref<llvm::Optional<swift::Type> (swift::TypeBase*)>::callback_fn<resolveDependentMemberTypes(swift::GenericSignatureBuilder&, swift::Type)::$_69>(long, swift::TypeBase*) + 332
...
@nathawes
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@slavapestov
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#20119

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@AnthonyLatsis AnthonyLatsis added crash Bug: A crash, i.e., an abnormal termination of software compiler The Swift compiler in itself labels Dec 12, 2022
@AnthonyLatsis AnthonyLatsis added the source tooling Area: IDE support, SourceKit, and other source tooling label Feb 6, 2023
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. code completion Area → source tooling: code completion compiler The Swift compiler in itself crash Bug: A crash, i.e., an abnormal termination of software source tooling Area: IDE support, SourceKit, and other source tooling
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@slavapestov @AnthonyLatsis @nathawes