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a820296cfc
Add test case for crash triggered in `swift::GenericParamList::getSubstitutionMap(...)`.
Current number of unresolved compiler crashers: 72 (5109 resolved)
Assertion failure in `llvm/include/llvm/ADT/ArrayRef.h (line 139)`:
```
Assertion `!empty()' failed.
When executing: const T &llvm::ArrayRef<swift::Substitution>::front() const [T = swift::Substitution]
```
Assertion context:
```
/// size - Get the array size.
size_t size() const { return Length; }
/// front - Get the first element.
const T &front() const {
assert(!empty());
return Data[0];
}
/// back - Get the last element.
const T &back() const {
```
Stack trace:
```
swift: /path/to/llvm/include/llvm/ADT/ArrayRef.h:139: const T &llvm::ArrayRef<swift::Substitution>::front() const [T = swift::Substitution]: Assertion `!empty()' failed.
8 swift 0x0000000001136748 swift::GenericParamList::getSubstitutionMap(llvm::ArrayRef<swift::Substitution>) const + 1080
9 swift 0x0000000001127b57 swift::SpecializedProtocolConformance::getTypeWitnessSubstAndDecl(swift::AssociatedTypeDecl*, swift::LazyResolver*) const + 215
10 swift 0x0000000001127862 swift::ProtocolConformance::getTypeWitnessSubstAndDecl(swift::AssociatedTypeDecl*, swift::LazyResolver*) const + 18
11 swift 0x0000000001128046 swift::ProtocolConformance::getTypeWitness(swift::AssociatedTypeDecl*, swift::LazyResolver*) const + 6
12 swift 0x0000000000f32531 swift::TypeChecker::resolveTypeInContext(swift::TypeDecl*, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, bool, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 2401
16 swift 0x0000000000f3362e swift::TypeChecker::resolveIdentifierType(swift::DeclContext*, swift::IdentTypeRepr*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, bool, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 158
18 swift 0x0000000000f34584 swift::TypeChecker::resolveType(swift::TypeRepr*, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 164
19 swift 0x0000000000f33520 swift::TypeChecker::validateType(swift::TypeLoc&, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 192
21 swift 0x0000000000efd7be swift::TypeChecker::validateGenericFuncSignature(swift::AbstractFunctionDecl*) + 94
28 swift 0x0000000000ec55e6 swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) + 150
31 swift 0x0000000000f2d5e4 swift::TypeChecker::typeCheckClosureBody(swift::ClosureExpr*) + 244
32 swift 0x0000000000f593ac swift::constraints::ConstraintSystem::applySolution(swift::constraints::Solution&, swift::Expr*, swift::Type, bool, bool, bool) + 876
33 swift 0x0000000000eb3c81 swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::TypeLoc, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*) + 769
35 swift 0x0000000000f2d726 swift::TypeChecker::typeCheckTopLevelCodeDecl(swift::TopLevelCodeDecl*) + 134
36 swift 0x0000000000ee77cd swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) + 1133
37 swift 0x0000000000c71a09 swift::CompilerInstance::performSema() + 3289
39 swift 0x00000000007d91c9 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 2857
40 swift 0x00000000007a51e8 main + 2872
Stack dump:
0. Program arguments: /path/to/swift/bin/swift -frontend -c -primary-file validation-test/compiler_crashers/28371-swift-genericparamlist-getsubstitutionmap.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -module-name main -o /tmp/28371-swift-genericparamlist-getsubstitutionmap-a3baf5.o
1. While type-checking expression at [validation-test/compiler_crashers/28371-swift-genericparamlist-getsubstitutionmap.swift:10:1 - line:10:58] RangeText="{protocol a{protocol b>class B<g:b>:a{func d:e}typealias e"
2. While type-checking 'a' at validation-test/compiler_crashers/28371-swift-genericparamlist-getsubstitutionmap.swift:10:2
3. While resolving type e at [validation-test/compiler_crashers/28371-swift-genericparamlist-getsubstitutionmap.swift:10:46 - line:10:46] RangeText="e"
<unknown>:0: error: unable to execute command: Aborted
<unknown>:0: error: compile command failed due to signal (use -v to see invocation)
```
11 lines
480 B
Swift
11 lines
480 B
Swift
// This source file is part of the Swift.org open source project
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// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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// RUN: not --crash %target-swift-frontend %s -parse
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// REQUIRES: asserts
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{protocol a{protocol b>class B<g:b>:a{func d:e}typealias e
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