From 002a012ad7ad99c8d0a02c1b4b0dde5031703bb5 Mon Sep 17 00:00:00 2001 From: practicalswift Date: Sat, 12 Nov 2016 18:43:47 +0100 Subject: [PATCH] [swiftc (119 vs. 5184)] Add crasher in swift::addTrivialAccessorsToStorage 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(DC) || isa(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(DC)) { ed->addMember(D, Hint); } else { assert((isa(DC) || isa(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::_M_invoke(std::_Any_data const&, swift::VarDecl*) (/path/to/swift/bin/swift+0xbb6157) #11 0x0000000000dcdcf8 swift::Pattern::forEachVariable(std::function 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::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, 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, int&, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47ece5) #24 0x000000000047db7f swift::performFrontend(llvm::ArrayRef, 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) ``` --- ...ondecl-dc-isa-fileunit-dc-unknown-declcontext.swift | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 validation-test/compiler_crashers/28492-isa-abstractfunctiondecl-dc-isa-fileunit-dc-unknown-declcontext.swift diff --git a/validation-test/compiler_crashers/28492-isa-abstractfunctiondecl-dc-isa-fileunit-dc-unknown-declcontext.swift b/validation-test/compiler_crashers/28492-isa-abstractfunctiondecl-dc-isa-fileunit-dc-unknown-declcontext.swift new file mode 100644 index 0000000000000..8bc44c57667ca --- /dev/null +++ b/validation-test/compiler_crashers/28492-isa-abstractfunctiondecl-dc-isa-fileunit-dc-unknown-declcontext.swift @@ -0,0 +1,10 @@ +// This source file is part of the Swift.org open source project +// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors +// Licensed under Apache License v2.0 with Runtime Library Exception +// +// See http://swift.org/LICENSE.txt for license information +// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors + +// RUN: not --crash %target-swift-frontend %s -emit-ir +// REQUIRES: asserts +{lazy var E