[swiftc (134 vs. 5225)] Add crasher in swift::ArchetypeBuilder::mapTypeOutOfContext #6016
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…peOutOfContext Add test case for crash triggered in `swift::ArchetypeBuilder::mapTypeOutOfContext`. Current number of unresolved compiler crashers: 134 (5225 resolved) Assertion failure in [`lib/AST/ArchetypeBuilder.cpp (line 2147)`](https://github.com/apple/swift/blob/master/lib/AST/ArchetypeBuilder.cpp#L2147): ``` Assertion `!canType->hasTypeParameter() && "already have an interface type"' failed. When executing: static swift::Type swift::ArchetypeBuilder::mapTypeOutOfContext(swift::ModuleDecl *, swift::GenericEnvironment *, swift::Type) ``` Assertion context: ``` ArrayRef<GenericTypeParamType *> params, SmallVectorImpl<Requirement> &requirements) { builder.enumerateRequirements([&](RequirementKind kind, ArchetypeBuilder::PotentialArchetype *archetype, llvm::PointerUnion<Type, ArchetypeBuilder::PotentialArchetype *> type, RequirementSource source) { // Filter out redundant requirements. switch (source.getKind()) { case RequirementSource::Explicit: case RequirementSource::Inferred: // The requirement was explicit and required, keep it. ``` Stack trace: ``` 0 0x00000000033bb388 llvm::sys::PrintStackTrace(llvm::raw_ostream&) (/path/to/swift/bin/swift+0x33bb388) 1 0x00000000033bbac6 SignalHandler(int) (/path/to/swift/bin/swift+0x33bbac6) 2 0x00007f440a74f3e0 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x113e0) 3 0x00007f4408e7d428 gsignal /build/glibc-Qz8a69/glibc-2.23/signal/../sysdeps/unix/sysv/linux/raise.c:54:0 4 0x00007f4408e7f02a abort /build/glibc-Qz8a69/glibc-2.23/stdlib/abort.c:91:0 5 0x00007f4408e75bd7 __assert_fail_base /build/glibc-Qz8a69/glibc-2.23/assert/assert.c:92:0 6 0x00007f4408e75c82 (/lib/x86_64-linux-gnu/libc.so.6+0x2dc82) 7 0x0000000000d42751 swift::ArchetypeBuilder::mapTypeOutOfContext(swift::DeclContext const*, swift::Type) (/path/to/swift/bin/swift+0xd42751) 8 0x0000000000c15647 getResultType(swift::TypeChecker&, swift::FuncDecl*, swift::Type) (/path/to/swift/bin/swift+0xc15647) 9 0x0000000000c14d1b swift::TypeChecker::configureInterfaceType(swift::AbstractFunctionDecl*, swift::GenericSignature*) (/path/to/swift/bin/swift+0xc14d1b) 10 0x0000000000c1472a swift::TypeChecker::validateGenericFuncSignature(swift::AbstractFunctionDecl*) (/path/to/swift/bin/swift+0xc1472a) 11 0x0000000000bfbaa4 (anonymous namespace)::DeclChecker::visitFuncDecl(swift::FuncDecl*) (/path/to/swift/bin/swift+0xbfbaa4) 12 0x0000000000bea2fa (anonymous namespace)::DeclChecker::visit(swift::Decl*) (/path/to/swift/bin/swift+0xbea2fa) 13 0x0000000000be4570 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) (/path/to/swift/bin/swift+0xbe4570) 14 0x0000000000ce6a22 swift::addTrivialAccessorsToStorage(swift::AbstractStorageDecl*, swift::TypeChecker&) (/path/to/swift/bin/swift+0xce6a22) 15 0x0000000000ce85a0 swift::maybeAddAccessorsToVariable(swift::VarDecl*, swift::TypeChecker&) (/path/to/swift/bin/swift+0xce85a0) 16 0x0000000000be480b swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) (/path/to/swift/bin/swift+0xbe480b) 17 0x0000000000bff289 (anonymous namespace)::DeclChecker::visitBoundVariable(swift::VarDecl*) (/path/to/swift/bin/swift+0xbff289) 18 0x0000000000e2344f swift::Pattern::forEachVariable(std::function<void (swift::VarDecl*)> const&) const (/path/to/swift/bin/swift+0xe2344f) 19 0x0000000000bea392 (anonymous namespace)::DeclChecker::visit(swift::Decl*) (/path/to/swift/bin/swift+0xbea392) 20 0x0000000000bf834b (anonymous namespace)::DeclChecker::visitClassDecl(swift::ClassDecl*) (/path/to/swift/bin/swift+0xbf834b) 21 0x0000000000bea19b (anonymous namespace)::DeclChecker::visit(swift::Decl*) (/path/to/swift/bin/swift+0xbea19b) 22 0x0000000000bf911b (anonymous namespace)::DeclChecker::visitProtocolDecl(swift::ProtocolDecl*) (/path/to/swift/bin/swift+0xbf911b) 23 0x0000000000bea2ca (anonymous namespace)::DeclChecker::visit(swift::Decl*) (/path/to/swift/bin/swift+0xbea2ca) 24 0x0000000000bea0fd swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) (/path/to/swift/bin/swift+0xbea0fd) 25 0x0000000000c5c6d2 swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) (/path/to/swift/bin/swift+0xc5c6d2) 26 0x000000000097b226 swift::CompilerInstance::performSema() (/path/to/swift/bin/swift+0x97b226) 27 0x000000000047c1e6 performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47c1e6) 28 0x000000000047b0ee swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47b0ee) 29 0x0000000000439a17 main (/path/to/swift/bin/swift+0x439a17) 30 0x00007f4408e68830 __libc_start_main /build/glibc-Qz8a69/glibc-2.23/csu/../csu/libc-start.c:325:0 31 0x0000000000436e59 _start (/path/to/swift/bin/swift+0x436e59) ```
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@swift-ci please smoke test and merge |
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@swift-ci please test and merge |
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/cc @slavapestov – just wanted to let you know that this crash case caused an assertion failure for an assertion you added on 2016-08-25 ( |
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Nice catch :) |
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Add test case for crash triggered in
swift::ArchetypeBuilder::mapTypeOutOfContext.Current number of unresolved compiler crashers: 134 (5225 resolved)
Assertion failure in
lib/AST/ArchetypeBuilder.cpp (line 2147):Assertion context:
Stack trace: