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Quuxplusone / LLVMBugzillaTest

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crash during parsing of entangled alias template and variable template #25620

Open Quuxplusone opened 8 years ago

Quuxplusone commented 8 years ago
Bugzilla Link PR25621
Status NEW
Importance P normal
Reported by Anatoliy Tomilov (tomilovanatoliy@gmail.com)
Reported on 2015-11-24 02:17:25 -0800
Last modified on 2015-11-24 21:33:24 -0800
Version trunk
Hardware PC Linux
CC llvm-bugs@lists.llvm.org
Fixed by commit(s)
Attachments parser-5d28e0.rar (918953 bytes, application/octet-stream)
Blocks
Blocked by
See also

Crash caused by missing typename keyword before and {} or () or ::value after mentioning of a alias template in a definition of a variable template.

Quuxplusone commented 8 years ago

Attached parser-5d28e0.rar (918953 bytes, application/octet-stream): soruce generated at crash

Quuxplusone commented 8 years ago 
Debug output:

#0 0x0000000000eb0788 llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/usr/local/bin/clang-3.8+0xeb0788)
#1 0x0000000000eaeb76 llvm::sys::RunSignalHandlers() (/usr/local/bin/clang-
3.8+0xeaeb76)
#2 0x0000000000eb0fd9 SignalHandler(int) (/usr/local/bin/clang-3.8+0xeb0fd9)
#3 0x00002b7bb1a57340 __restore_rt (/lib/x86_64-linux-
gnu/libpthread.so.0+0x10340)
#4 0x0000000001e5c4a3
clang::Sema::SubstituteExplicitTemplateArguments(clang::FunctionTemplateDecl*,
clang::TemplateArgumentListInfo&,
llvm::SmallVectorImpl<clang::DeducedTemplateArgument>&,
llvm::SmallVectorImpl<clang::QualType>&, clang::QualType*,
clang::sema::TemplateDeductionInfo&) (/usr/local/bin/clang-3.8+0x1e5c4a3)
#5 0x0000000001e63738
clang::Sema::DeduceTemplateArguments(clang::FunctionTemplateDecl*,
clang::TemplateArgumentListInfo*, clang::QualType, clang::FunctionDecl*&,
clang::sema::TemplateDeductionInfo&, bool) (/usr/local/bin/clang-3.8+0x1e63738)
#6 0x0000000001e64e7b
clang::Sema::DeduceTemplateArguments(clang::FunctionTemplateDecl*,
clang::TemplateArgumentListInfo*, clang::FunctionDecl*&,
clang::sema::TemplateDeductionInfo&, bool) (/usr/local/bin/clang-3.8+0x1e64e7b)
#7 0x0000000001db1439
clang::Sema::ResolveSingleFunctionTemplateSpecialization(clang::OverloadExpr*,
bool, clang::DeclAccessPair*) (/usr/local/bin/clang-3.8+0x1db1439)
#8 0x0000000001daf668
clang::Sema::ResolveAddressOfOverloadedFunction(clang::Expr*, clang::QualType,
bool, clang::DeclAccessPair&, bool*) (/usr/local/bin/clang-3.8+0x1daf668)
#9 0x0000000001dc7a9c IsStandardConversion(clang::Sema&, clang::Expr*,
clang::QualType, bool, clang::StandardConversionSequence&, bool, bool)
(/usr/local/bin/clang-3.8+0x1dc7a9c)
#10 0x0000000001d94900 TryImplicitConversion(clang::Sema&, clang::Expr*,
clang::QualType, bool, bool, bool, bool, bool, bool) (/usr/local/bin/clang-
3.8+0x1d94900)
#11 0x0000000001d94890 clang::Sema::TryImplicitConversion(clang::Expr*,
clang::QualType, bool, bool, bool, bool, bool) (/usr/local/bin/clang-
3.8+0x1d94890)
#12 0x0000000001cfb3d8
clang::InitializationSequence::InitializeFrom(clang::Sema&,
clang::InitializedEntity const&, clang::InitializationKind const&,
llvm::MutableArrayRef<clang::Expr*>, bool) (/usr/local/bin/clang-3.8+0x1cfb3d8)
#13 0x0000000001cfa8dc
clang::InitializationSequence::InitializationSequence(clang::Sema&,
clang::InitializedEntity const&, clang::InitializationKind const&,
llvm::MutableArrayRef<clang::Expr*>, bool) (/usr/local/bin/clang-3.8+0x1cfa8dc)
#14 0x0000000001b2d769 clang::Sema::AddInitializerToDecl(clang::Decl*,
clang::Expr*, bool, bool) (/usr/local/bin/clang-3.8+0x1b2d769)
#15 0x0000000001ec048b
clang::Sema::InstantiateVariableInitializer(clang::VarDecl*, clang::VarDecl*,
clang::MultiLevelTemplateArgumentList const&) (/usr/local/bin/clang-
3.8+0x1ec048b)
#16 0x0000000001ec12bc
clang::Sema::InstantiateVariableDefinition(clang::SourceLocation,
clang::VarDecl*, bool, bool) (/usr/local/bin/clang-3.8+0x1ec12bc)
#17 0x0000000001c57996 DoMarkVarDeclReferenced(clang::Sema&,
clang::SourceLocation, clang::VarDecl*, clang::Expr*) (/usr/local/bin/clang-
3.8+0x1c57996)
#18 0x0000000001c1c6bc clang::Sema::BuildDeclRefExpr(clang::ValueDecl*,
clang::QualType, clang::ExprValueKind, clang::DeclarationNameInfo const&,
clang::CXXScopeSpec const*, clang::NamedDecl*, clang::TemplateArgumentListInfo
const*) (/usr/local/bin/clang-3.8+0x1c1c6bc)
#19 0x0000000001c2141b
clang::Sema::BuildDeclarationNameExpr(clang::CXXScopeSpec const&,
clang::DeclarationNameInfo const&, clang::NamedDecl*, clang::NamedDecl*,
clang::TemplateArgumentListInfo const*, bool) (/usr/local/bin/clang-
3.8+0x1c2141b)
#20 0x0000000001e18152 clang::Sema::BuildTemplateIdExpr(clang::CXXScopeSpec
const&, clang::SourceLocation, clang::LookupResult&, bool,
clang::TemplateArgumentListInfo const*) (/usr/local/bin/clang-3.8+0x1e18152)
#21 0x0000000001c1725d clang::Sema::ActOnIdExpression(clang::Scope*,
clang::CXXScopeSpec&, clang::SourceLocation, clang::UnqualifiedId&, bool, bool,
std::__1::unique_ptr<clang::CorrectionCandidateCallback,
std::__1::default_delete<clang::CorrectionCandidateCallback> >, bool,
clang::Token*) (/usr/local/bin/clang-3.8+0x1c1725d)
#22 0x00000000018c5096
clang::Parser::tryParseCXXIdExpression(clang::CXXScopeSpec&, bool,
clang::Token&) (/usr/local/bin/clang-3.8+0x18c5096)
#23 0x00000000018c610f clang::Parser::ParseCXXIdExpression(bool)
(/usr/local/bin/clang-3.8+0x18c610f)
#24 0x00000000018b6664 clang::Parser::ParseCastExpression(bool, bool, bool&,
clang::Parser::TypeCastState) (/usr/local/bin/clang-3.8+0x18b6664)
#25 0x00000000018b9dc6 clang::Parser::ParseCastExpression(bool, bool, bool&,
clang::Parser::TypeCastState) (/usr/local/bin/clang-3.8+0x18b9dc6)
#26 0x00000000018b2897
clang::Parser::ParseRHSOfBinaryExpression(clang::ActionResult<clang::Expr*,
true>, clang::prec::Level) (/usr/local/bin/clang-3.8+0x18b2897)
#27 0x00000000018b278b
clang::Parser::ParseAssignmentExpression(clang::Parser::TypeCastState)
(/usr/local/bin/clang-3.8+0x18b278b)
#28 0x00000000018bbb50
clang::Parser::ParseParenExpression(clang::Parser::ParenParseOption&, bool,
bool, clang::OpaquePtr<clang::QualType>&, clang::SourceLocation&)
(/usr/local/bin/clang-3.8+0x18bbb50)
#29 0x00000000018b59c5 clang::Parser::ParseCastExpression(bool, bool, bool&,
clang::Parser::TypeCastState) (/usr/local/bin/clang-3.8+0x18b59c5)
#30 0x00000000018b271c
clang::Parser::ParseAssignmentExpression(clang::Parser::TypeCastState)
(/usr/local/bin/clang-3.8+0x18b271c)
#31 0x00000000018b2669
clang::Parser::ParseExpression(clang::Parser::TypeCastState)
(/usr/local/bin/clang-3.8+0x18b2669)
#32 0x00000000018f5146 clang::Parser::ParseReturnStatement()
(/usr/local/bin/clang-3.8+0x18f5146)
#33 0x00000000018f08a1
clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*,
32u>&, bool, clang::SourceLocation*, clang::Parser::ParsedAttributesWithRange&)
(/usr/local/bin/clang-3.8+0x18f08a1)
#34 0x00000000018efb11
clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*,
32u>&, bool, clang::SourceLocation*) (/usr/local/bin/clang-3.8+0x18efb11)
#35 0x00000000018f6ee4 clang::Parser::ParseCompoundStatementBody(bool)
(/usr/local/bin/clang-3.8+0x18f6ee4)
#36 0x00000000018f791e clang::Parser::ParseFunctionStatementBody(clang::Decl*,
clang::Parser::ParseScope&) (/usr/local/bin/clang-3.8+0x18f791e)
#37 0x000000000187f0ec
clang::Parser::ParseLexedMethodDef(clang::Parser::LexedMethod&)
(/usr/local/bin/clang-3.8+0x187f0ec)
#38 0x000000000187e1cd
clang::Parser::ParseLexedMethodDefs(clang::Parser::ParsingClass&)
(/usr/local/bin/clang-3.8+0x187e1cd)
#39 0x00000000018a848d
clang::Parser::ParseCXXMemberSpecification(clang::SourceLocation,
clang::SourceLocation, clang::Parser::ParsedAttributesWithRange&, unsigned int,
clang::Decl*) (/usr/local/bin/clang-3.8+0x18a848d)
#40 0x00000000018a61b1
clang::Parser::ParseClassSpecifier(clang::tok::TokenKind,
clang::SourceLocation, clang::DeclSpec&, clang::Parser::ParsedTemplateInfo
const&, clang::AccessSpecifier, bool, clang::Parser::DeclSpecContext,
clang::Parser::ParsedAttributesWithRange&) (/usr/local/bin/clang-3.8+0x18a61b1)
#41 0x000000000188977b
clang::Parser::ParseDeclarationSpecifiers(clang::DeclSpec&,
clang::Parser::ParsedTemplateInfo const&, clang::AccessSpecifier,
clang::Parser::DeclSpecContext, clang::Parser::LateParsedAttrList*)
(/usr/local/bin/clang-3.8+0x188977b)
#42 0x0000000001876400
clang::Parser::ParseDeclOrFunctionDefInternal(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec&, clang::AccessSpecifier) (/usr/local/bin/clang-
3.8+0x1876400)
#43 0x0000000001876133
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*, clang::AccessSpecifier) (/usr/local/bin/clang-
3.8+0x1876133)
#44 0x000000000187548d
clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*) (/usr/local/bin/clang-3.8+0x187548d)
#45 0x000000000189fcd0
clang::Parser::ParseInnerNamespace(std::__1::vector<clang::SourceLocation,
std::__1::allocator<clang::SourceLocation> >&,
std::__1::vector<clang::IdentifierInfo*,
std::__1::allocator<clang::IdentifierInfo*> >&,
std::__1::vector<clang::SourceLocation,
std::__1::allocator<clang::SourceLocation> >&, unsigned int,
clang::SourceLocation&, clang::ParsedAttributes&,
clang::BalancedDelimiterTracker&) (/usr/local/bin/clang-3.8+0x189fcd0)
#46 0x000000000189f4dc clang::Parser::ParseNamespace(unsigned int,
clang::SourceLocation&, clang::SourceLocation) (/usr/local/bin/clang-
3.8+0x189f4dc)
#47 0x0000000001888b89 clang::Parser::ParseDeclaration(unsigned int,
clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&)
(/usr/local/bin/clang-3.8+0x1888b89)
#48 0x0000000001874f2f
clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*) (/usr/local/bin/clang-3.8+0x1874f2f)
#49 0x000000000189fcd0
clang::Parser::ParseInnerNamespace(std::__1::vector<clang::SourceLocation,
std::__1::allocator<clang::SourceLocation> >&,
std::__1::vector<clang::IdentifierInfo*,
std::__1::allocator<clang::IdentifierInfo*> >&,
std::__1::vector<clang::SourceLocation,
std::__1::allocator<clang::SourceLocation> >&, unsigned int,
clang::SourceLocation&, clang::ParsedAttributes&,
clang::BalancedDelimiterTracker&) (/usr/local/bin/clang-3.8+0x189fcd0)
#50 0x000000000189f4dc clang::Parser::ParseNamespace(unsigned int,
clang::SourceLocation&, clang::SourceLocation) (/usr/local/bin/clang-
3.8+0x189f4dc)
#51 0x0000000001888b89 clang::Parser::ParseDeclaration(unsigned int,
clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&)
(/usr/local/bin/clang-3.8+0x1888b89)
#52 0x0000000001874f2f
clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*) (/usr/local/bin/clang-3.8+0x1874f2f)
#53 0x0000000001874735
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&)
(/usr/local/bin/clang-3.8+0x1874735)
#54 0x0000000001870aba clang::ParseAST(clang::Sema&, bool, bool)
(/usr/local/bin/clang-3.8+0x1870aba)
#55 0x0000000001292d18 clang::FrontendAction::Execute() (/usr/local/bin/clang-
3.8+0x1292d18)
#56 0x0000000001261c88
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/usr/local/bin/clang-3.8+0x1261c88)
#57 0x000000000130c854
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/usr/local/bin/clang-3.8+0x130c854)
#58 0x00000000006d5bf9 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/usr/local/bin/clang-3.8+0x6d5bf9)
#59 0x00000000006d23ea main (/usr/local/bin/clang-3.8+0x6d23ea)
#60 0x00002b7bb23bcec5 __libc_start_main /build/buildd/eglibc-2.19/csu/libc-
start.c:321:0
#61 0x00000000006d18da _start (/usr/local/bin/clang-3.8+0x6d18da)
Stack dump:
0.  Program arguments: /usr/local/bin/clang-3.8 -cc1 -triple x86_64-unknown-
linux-gnu -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-
name parser.cpp -mrelocation-model pic -pic-level 2 -pie-level 2 -mthread-model
posix -mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases -
munwind-tables -fuse-init-array -target-cpu x86-64 -dwarf-column-info -debug-
info-kind=limited -dwarf-version=4 -coverage-file /tmp/parser.o -resource-dir
/usr/local/bin/../lib/clang/3.8.0 -D _DEBUG=1 -D DEBUG=1 -D _GLIBCXX_DEBUG=1 -D
BOOST_RESULT_OF_USE_DECLTYPE=1 -D BOOST_SYSTEM_NO_DEPRECATED=1 -D
BOOST_SPIRIT_X3_NO_RTTI=1 -D PAGESIZE=4096 -I . -I ../../../include -I
/usr/local/Qt-5.4.1/mkspecs/linux-clang-libc++ -cxx-isystem
/home/user/versatile/include -cxx-isystem /home/user/insituc/include -internal-
isystem /usr/local/bin/../include/c++/v1 -internal-isystem /usr/local/include -
internal-isystem /usr/local/bin/../lib/clang/3.8.0/include -internal-externc-
isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -
internal-externc-isystem /usr/include -W -Weverything -Wno-c++98-compat -Wno-
c++98-compat-pedantic -Wno-padded -Wunused-variable -pedantic -std=gnu++1z -
fdeprecated-macro -fdebug-compilation-dir /home/user/insituc/src/tst/parser -
ferror-limit 19 -ftemplate-backtrace-limit 0 -fmessage-length 0 -fdiagnostics-
show-template-tree -fobjc-runtime=gcc -fcxx-exceptions -fexceptions -
fdiagnostics-show-option -fcolor-diagnostics -o /tmp/parser.o -x c++
../../insituc/parser/parser.cpp
1.  ../../../include/insituc/ast/ast.hpp:179:56: current parser token ')'
2.  ../../../include/insituc/ast/ast.hpp:16:1: parsing namespace 'insituc'
3.  ../../../include/insituc/ast/ast.hpp:18:1: parsing namespace 'ast'
4.  ../../../include/insituc/ast/ast.hpp:145:1: parsing struct/union/class body
'operand'
5.  ../../../include/insituc/ast/ast.hpp:178:5: parsing function body 'empty'
6.  ../../../include/insituc/ast/ast.hpp:178:5: in compound statement ('{}')
clang-3.8: error: unable to execute command: Segmentation fault (core dumped)
clang-3.8: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.8.0 (trunk 253951)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/local/bin
clang-3.8: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and
associated run script.
clang-3.8: note: diagnostic msg:
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-3.8: note: diagnostic msg: /tmp/parser-fbcca9.cpp
make[1]: Leaving directory `/home/user/insituc/src/tst/parser'
clang-3.8: note: diagnostic msg: /tmp/parser-fbcca9.sh
clang-3.8: note: diagnostic msg:

********************