practicalswift
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1b8da602b9
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[swiftc (116 vs. 5184)] Add crasher in swift::TypeChecker::typeCheckDecl
Add test case for crash triggered in `swift::TypeChecker::typeCheckDecl`.
Current number of unresolved compiler crashers: 116 (5184 resolved)
Assertion failure in [`include/swift/AST/Decl.h (line 4584)`](https://github.com/apple/swift/blob/master/include/swift/AST/Decl.h#L4584):
```
Assertion `!this->GenericEnv && "already have generic context?"' failed.
When executing: void swift::AbstractFunctionDecl::setGenericEnvironment(swift::GenericEnvironment *)
```
Assertion context:
```
/// Retrieve the generic context for this function.
GenericEnvironment *getGenericEnvironment() const { return GenericEnv; }
/// Set the generic context of this function.
void setGenericEnvironment(GenericEnvironment *GenericEnv) {
assert(!this->GenericEnv && "already have generic context?");
this->GenericEnv = GenericEnv;
}
// Expose our import as member status
bool isImportAsMember() const { return IAMStatus.isImportAsMember(); }
```
Stack trace:
```
#0 0x00000000031d10e8 llvm::sys::PrintStackTrace(llvm::raw_ostream&) (/path/to/swift/bin/swift+0x31d10e8)
#1 0x00000000031d1936 SignalHandler(int) (/path/to/swift/bin/swift+0x31d1936)
#2 0x00007f091215f330 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x10330)
#3 0x00007f091091dc37 gsignal /build/eglibc-oGUzwX/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56:0
#4 0x00007f0910921028 abort /build/eglibc-oGUzwX/eglibc-2.19/stdlib/abort.c:91:0
#5 0x00007f0910916bf6 __assert_fail_base /build/eglibc-oGUzwX/eglibc-2.19/assert/assert.c:92:0
#6 0x00007f0910916ca2 (/lib/x86_64-linux-gnu/libc.so.6+0x2fca2)
#7 0x0000000000bad8e7 (/path/to/swift/bin/swift+0xbad8e7)
#8 0x0000000000ba1ee6 (anonymous namespace)::DeclChecker::visit(swift::Decl*) (/path/to/swift/bin/swift+0xba1ee6)
#9 0x0000000000babfcb (anonymous namespace)::DeclChecker::visitProtocolDecl(swift::ProtocolDecl*) (/path/to/swift/bin/swift+0xbabfcb)
#10 0x0000000000ba1ec6 (anonymous namespace)::DeclChecker::visit(swift::Decl*) (/path/to/swift/bin/swift+0xba1ec6)
#11 0x0000000000ba1d06 swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) (/path/to/swift/bin/swift+0xba1d06)
#12 0x0000000000c0253f swift::ASTVisitor<(anonymous namespace)::StmtChecker, void, swift::Stmt*, void, void, void, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xc0253f)
#13 0x0000000000c02871 swift::ASTVisitor<(anonymous namespace)::StmtChecker, void, swift::Stmt*, void, void, void, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xc02871)
#14 0x0000000000c024cc swift::ASTVisitor<(anonymous namespace)::StmtChecker, void, swift::Stmt*, void, void, void, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xc024cc)
#15 0x0000000000c01db6 swift::TypeChecker::typeCheckTopLevelCodeDecl(swift::TopLevelCodeDecl*) (/path/to/swift/bin/swift+0xc01db6)
#16 0x0000000000c15d0a swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) (/path/to/swift/bin/swift+0xc15d0a)
#17 0x0000000000938c66 swift::CompilerInstance::performSema() (/path/to/swift/bin/swift+0x938c66)
#18 0x000000000047ece5 performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47ece5)
#19 0x000000000047db7f swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47db7f)
#20 0x000000000044509a main (/path/to/swift/bin/swift+0x44509a)
#21 0x00007f0910908f45 __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:321:0
#22 0x0000000000442816 _start (/path/to/swift/bin/swift+0x442816)
```
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2016-11-12 14:57:32 +01:00 |
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