Skip to content

[swiftc (119 vs. 5184)] Add crasher in swift::addTrivialAccessorsToStorage #5742

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Nov 12, 2016
Merged

[swiftc (119 vs. 5184)] Add crasher in swift::addTrivialAccessorsToStorage #5742

merged 1 commit into from
Nov 12, 2016

Conversation

practicalswift
Copy link
Contributor

@practicalswift practicalswift commented Nov 12, 2016

Add test case for crash triggered in swift::addTrivialAccessorsToStorage.

Current number of unresolved compiler crashers: 119 (5184 resolved)

Assertion failure in lib/Sema/CodeSynthesis.cpp (line 43):

Assertion `(isa<AbstractFunctionDecl>(DC) || isa<FileUnit>(DC)) && "Unknown declcontext"' failed.

When executing: void addMemberToContextIfNeeded(swift::Decl *, swift::DeclContext *, swift::Decl *)

Assertion context:

    ntd->addMember(D, Hint);
  } else if (auto *ed = dyn_cast<ExtensionDecl>(DC)) {
    ed->addMember(D, Hint);
  } else {
    assert((isa<AbstractFunctionDecl>(DC) || isa<FileUnit>(DC)) &&
           "Unknown declcontext");
  }
}

static ParamDecl *getParamDeclAtIndex(FuncDecl *fn, unsigned index) {
  return fn->getParameterLists().back()->get(index);

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 0x00007f866fd58330 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x10330)
#3 0x00007f866e516c37 gsignal /build/eglibc-oGUzwX/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56:0
#4 0x00007f866e51a028 abort /build/eglibc-oGUzwX/eglibc-2.19/stdlib/abort.c:91:0
#5 0x00007f866e50fbf6 __assert_fail_base /build/eglibc-oGUzwX/eglibc-2.19/assert/assert.c:92:0
#6 0x00007f866e50fca2 (/lib/x86_64-linux-gnu/libc.so.6+0x2fca2)
#7 0x0000000000c991a0 swift::addTrivialAccessorsToStorage(swift::AbstractStorageDecl*, swift::TypeChecker&) (/path/to/swift/bin/swift+0xc991a0)
#8 0x0000000000c9a853 swift::maybeAddAccessorsToVariable(swift::VarDecl*, swift::TypeChecker&) (/path/to/swift/bin/swift+0xc9a853)
#9 0x0000000000b9c1a2 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) (/path/to/swift/bin/swift+0xb9c1a2)
#10 0x0000000000bb6157 std::_Function_handler<void (swift::VarDecl*), (anonymous namespace)::DeclChecker::visitBoundVars(swift::Pattern*)::{lambda(swift::VarDecl*)#1}>::_M_invoke(std::_Any_data const&, swift::VarDecl*) (/path/to/swift/bin/swift+0xbb6157)
#11 0x0000000000dcdcf8 swift::Pattern::forEachVariable(std::function<void (swift::VarDecl*)> const&) const (/path/to/swift/bin/swift+0xdcdcf8)
#12 0x0000000000ba1fb1 (anonymous namespace)::DeclChecker::visit(swift::Decl*) (/path/to/swift/bin/swift+0xba1fb1)
#13 0x0000000000ba1d06 swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) (/path/to/swift/bin/swift+0xba1d06)
#14 0x0000000000c0253f swift::ASTVisitor<(anonymous namespace)::StmtChecker, void, swift::Stmt*, void, void, void, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xc0253f)
#15 0x0000000000c01665 (anonymous namespace)::StmtChecker::typeCheckBody(swift::BraceStmt*&) (/path/to/swift/bin/swift+0xc01665)
#16 0x0000000000c01c16 swift::TypeChecker::typeCheckClosureBody(swift::ClosureExpr*) (/path/to/swift/bin/swift+0xc01c16)
#17 0x0000000000c1fc7c swift::constraints::ConstraintSystem::applySolution(swift::constraints::Solution&, swift::Expr*, swift::Type, bool, bool, bool) (/path/to/swift/bin/swift+0xc1fc7c)
#18 0x0000000000b8da04 swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::TypeLoc, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem*) (/path/to/swift/bin/swift+0xb8da04)
#19 0x0000000000c02594 swift::ASTVisitor<(anonymous namespace)::StmtChecker, void, swift::Stmt*, void, void, void, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xc02594)
#20 0x0000000000c01db6 swift::TypeChecker::typeCheckTopLevelCodeDecl(swift::TopLevelCodeDecl*) (/path/to/swift/bin/swift+0xc01db6)
#21 0x0000000000c15d0a swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) (/path/to/swift/bin/swift+0xc15d0a)
#22 0x0000000000938c66 swift::CompilerInstance::performSema() (/path/to/swift/bin/swift+0x938c66)
#23 0x000000000047ece5 performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47ece5)
#24 0x000000000047db7f swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47db7f)
#25 0x000000000044509a main (/path/to/swift/bin/swift+0x44509a)
#26 0x00007f866e501f45 __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:321:0
#27 0x0000000000442816 _start (/path/to/swift/bin/swift+0x442816)

@swift-ci please smoke test and merge

…orage

Add test case for crash triggered in `swift::addTrivialAccessorsToStorage`.

Current number of unresolved compiler crashers: 119 (5184 resolved)

Assertion failure in [`lib/Sema/CodeSynthesis.cpp (line 43)`](https://github.com/apple/swift/blob/master/lib/Sema/CodeSynthesis.cpp#L43):

```
Assertion `(isa<AbstractFunctionDecl>(DC) || isa<FileUnit>(DC)) && "Unknown declcontext"' failed.

When executing: void addMemberToContextIfNeeded(swift::Decl *, swift::DeclContext *, swift::Decl *)
```

Assertion context:

```
    ntd->addMember(D, Hint);
  } else if (auto *ed = dyn_cast<ExtensionDecl>(DC)) {
    ed->addMember(D, Hint);
  } else {
    assert((isa<AbstractFunctionDecl>(DC) || isa<FileUnit>(DC)) &&
           "Unknown declcontext");
  }
}

static ParamDecl *getParamDeclAtIndex(FuncDecl *fn, unsigned index) {
  return fn->getParameterLists().back()->get(index);
```
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 0x00007f866fd58330 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x10330)
#3 0x00007f866e516c37 gsignal /build/eglibc-oGUzwX/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56:0
#4 0x00007f866e51a028 abort /build/eglibc-oGUzwX/eglibc-2.19/stdlib/abort.c:91:0
#5 0x00007f866e50fbf6 __assert_fail_base /build/eglibc-oGUzwX/eglibc-2.19/assert/assert.c:92:0
#6 0x00007f866e50fca2 (/lib/x86_64-linux-gnu/libc.so.6+0x2fca2)
#7 0x0000000000c991a0 swift::addTrivialAccessorsToStorage(swift::AbstractStorageDecl*, swift::TypeChecker&) (/path/to/swift/bin/swift+0xc991a0)
#8 0x0000000000c9a853 swift::maybeAddAccessorsToVariable(swift::VarDecl*, swift::TypeChecker&) (/path/to/swift/bin/swift+0xc9a853)
#9 0x0000000000b9c1a2 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) (/path/to/swift/bin/swift+0xb9c1a2)
#10 0x0000000000bb6157 std::_Function_handler<void (swift::VarDecl*), (anonymous namespace)::DeclChecker::visitBoundVars(swift::Pattern*)::{lambda(swift::VarDecl*)#1}>::_M_invoke(std::_Any_data const&, swift::VarDecl*) (/path/to/swift/bin/swift+0xbb6157)
#11 0x0000000000dcdcf8 swift::Pattern::forEachVariable(std::function<void (swift::VarDecl*)> const&) const (/path/to/swift/bin/swift+0xdcdcf8)
#12 0x0000000000ba1fb1 (anonymous namespace)::DeclChecker::visit(swift::Decl*) (/path/to/swift/bin/swift+0xba1fb1)
#13 0x0000000000ba1d06 swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) (/path/to/swift/bin/swift+0xba1d06)
#14 0x0000000000c0253f swift::ASTVisitor<(anonymous namespace)::StmtChecker, void, swift::Stmt*, void, void, void, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xc0253f)
#15 0x0000000000c01665 (anonymous namespace)::StmtChecker::typeCheckBody(swift::BraceStmt*&) (/path/to/swift/bin/swift+0xc01665)
#16 0x0000000000c01c16 swift::TypeChecker::typeCheckClosureBody(swift::ClosureExpr*) (/path/to/swift/bin/swift+0xc01c16)
#17 0x0000000000c1fc7c swift::constraints::ConstraintSystem::applySolution(swift::constraints::Solution&, swift::Expr*, swift::Type, bool, bool, bool) (/path/to/swift/bin/swift+0xc1fc7c)
#18 0x0000000000b8da04 swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::TypeLoc, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem*) (/path/to/swift/bin/swift+0xb8da04)
#19 0x0000000000c02594 swift::ASTVisitor<(anonymous namespace)::StmtChecker, void, swift::Stmt*, void, void, void, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xc02594)
#20 0x0000000000c01db6 swift::TypeChecker::typeCheckTopLevelCodeDecl(swift::TopLevelCodeDecl*) (/path/to/swift/bin/swift+0xc01db6)
#21 0x0000000000c15d0a swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) (/path/to/swift/bin/swift+0xc15d0a)
#22 0x0000000000938c66 swift::CompilerInstance::performSema() (/path/to/swift/bin/swift+0x938c66)
#23 0x000000000047ece5 performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47ece5)
#24 0x000000000047db7f swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47db7f)
#25 0x000000000044509a main (/path/to/swift/bin/swift+0x44509a)
#26 0x00007f866e501f45 __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:321:0
#27 0x0000000000442816 _start (/path/to/swift/bin/swift+0x442816)
```
@practicalswift
Copy link
Contributor Author

@swift-ci please smoke test and merge

@practicalswift
Copy link
Contributor Author

@swift-ci please test and merge

@swift-ci swift-ci merged commit 3aadfb7 into swiftlang:master Nov 12, 2016
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

Successfully merging this pull request may close these issues.

2 participants