[llvm-bugs] [Bug 37355] New: segfault in resolveInstanceContext /home/vegard/llvm/tools/clang/lib/Sema/SemaAccess.cpp:737:0
via llvm-bugs
llvm-bugs at lists.llvm.org
Mon May 7 09:57:22 PDT 2018
https://bugs.llvm.org/show_bug.cgi?id=37355
Bug ID: 37355
Summary: segfault in resolveInstanceContext
/home/vegard/llvm/tools/clang/lib/Sema/SemaAccess.cpp:
737:0
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: unassignedclangbugs at nondot.org
Reporter: vegard.nossum at gmail.com
CC: llvm-bugs at lists.llvm.org
Input:
__builtin_va_listq1e31(union {typeof(struct s : s)})
Output:
$ clang++ -x c++ -c -
clang-7: /home/vegard/llvm/tools/clang/lib/Sema/SemaAccess.cpp:737:
AccessResult HasAccess(clang::Sema&, const {anonymous}::EffectiveContext&,
const clang::CXXRecordDecl*, clang::AccessSpecifier, const
{anonymous}::AccessTarget&): Assertion `Access == AS_private || Access ==
AS_protected' failed.
Stack dump:
0. Program arguments: /home/vegard/llvm-build/bin/clang-7 -cc1 -triple
x86_64-unknown-linux-gnu -emit-obj -mrelax-all -disable-free -main-file-name -
-mrelocation-model static -mthread-model posix -mdisable-fp-elim -fmath-errno
-masm-verbose -mconstructor-aliases -munwind-tables -fuse-init-array
-target-cpu x86-64 -dwarf-column-info -debugger-tuning=gdb -coverage-notes-file
/home/vegard/creduce/-.gcno -resource-dir
/home/vegard/llvm-build/lib/clang/7.0.0 -internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/7.2.0/../../../../include/c++ -internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/7.2.0/../../../../include/c++/x86_64-linux-gnu
-internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/7.2.0/../../../../include/c++/backward
-internal-isystem /usr/local/include -internal-isystem
/home/vegard/llvm-build/lib/clang/7.0.0/include -internal-externc-isystem
/usr/include/x86_64-linux-gnu -internal-externc-isystem /include
-internal-externc-isystem /usr/include -fdeprecated-macro
-fdebug-compilation-dir /home/vegard/creduce -ferror-limit 19 -fmessage-length
180 -fobjc-runtime=gcc -fcxx-exceptions -fexceptions -fdiagnostics-show-option
-fcolor-diagnostics -o -.o -x c++ -
1. <stdin>:1:50: current parser token ')'
2. <stdin>:1:24: parsing struct/union/class body '(anonymous)'
3. <stdin>:1:38: parsing struct/union/class body '(anonymous union)::s'
#0 0x0000000008da8742 llvm::sys::PrintStackTrace(llvm::raw_ostream&)
/home/vegard/llvm/lib/Support/Unix/Signals.inc:403:0
#1 0x0000000008d9e6f2 llvm::sys::RunSignalHandlers()
/home/vegard/llvm/lib/Support/Signals.cpp:50:0
#2 0x0000000008d9eea9 SignalHandler(int)
/home/vegard/llvm/lib/Support/Unix/Signals.inc:243:0
#3 0x00007f874042f390 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x11390)
#4 0x00007f873f19a428 gsignal
/build/glibc-Cl5G7W/glibc-2.23/signal/../sysdeps/unix/sysv/linux/raise.c:54:0
#5 0x00007f873f19c02a abort /build/glibc-Cl5G7W/glibc-2.23/stdlib/abort.c:91:0
#6 0x00007f873f192bd7 __assert_fail_base
/build/glibc-Cl5G7W/glibc-2.23/assert/assert.c:92:0
#7 0x00007f873f192c82 (/lib/x86_64-linux-gnu/libc.so.6+0x2dc82)
#8 0x000000000f4dfa23 resolveInstanceContext
/home/vegard/llvm/tools/clang/lib/Sema/SemaAccess.cpp:737:0
#9 0x000000000f4dfa23 HasAccess(clang::Sema&, (anonymous
namespace)::EffectiveContext const&, clang::CXXRecordDecl const*,
clang::AccessSpecifier, (anonymous namespace)::AccessTarget const&)
(.part.434.constprop.443)
/home/vegard/llvm/tools/clang/lib/Sema/SemaAccess.cpp:820:0
#10 0x000000000f4e3307 IsAccessible(clang::Sema&, (anonymous
namespace)::EffectiveContext const&, (anonymous namespace)::AccessTarget&)
/home/vegard/llvm/tools/clang/lib/Sema/SemaAccess.cpp:1357:0
#11 0x000000000f4e7cd4 CheckEffectiveAccess(clang::Sema&, (anonymous
namespace)::EffectiveContext const&, clang::SourceLocation, (anonymous
namespace)::AccessTarget&)
/home/vegard/llvm/tools/clang/lib/Sema/SemaAccess.cpp:1416:0
#12 0x000000000f4ec3b9 CheckAccess(clang::Sema&, clang::SourceLocation,
(anonymous namespace)::AccessTarget&) (.constprop.435)
/home/vegard/llvm/tools/clang/lib/Sema/SemaAccess.cpp:1460:0
#13 0x000000000f4f4749 clang::PartialDiagnostic::freeStorage()
/home/vegard/llvm/tools/clang/include/clang/Basic/PartialDiagnostic.h:147:0
#14 0x000000000f4f4749 _ZN5clang17PartialDiagnosticD4Ev
/home/vegard/llvm/tools/clang/include/clang/Basic/PartialDiagnostic.h:260:0
#15 0x000000000f4f4749 _ZN5clang4sema14AccessedEntityD4Ev
/home/vegard/llvm/tools/clang/include/clang/Sema/DelayedDiagnostic.h:51:0
#16 0x000000000f4f4749 ~AccessTarget
/home/vegard/llvm/tools/clang/lib/Sema/SemaAccess.cpp:149:0
#17 0x000000000f4f4749 clang::Sema::CheckLookupAccess(clang::LookupResult
const&) /home/vegard/llvm/tools/clang/lib/Sema/SemaAccess.cpp:1852:0
#18 0x000000000f56f29c clang::LookupResult::diagnose()
/home/vegard/llvm/tools/clang/include/clang/Sema/Lookup.h:687:0
#19 0x000000000f56f29c clang::LookupResult::~LookupResult()
/home/vegard/llvm/tools/clang/include/clang/Sema/Lookup.h:226:0
#20 0x000000000f96cae0 clang::Sema::getTypeName(clang::IdentifierInfo const&,
clang::SourceLocation, clang::Scope*, clang::CXXScopeSpec*, bool, bool,
clang::OpaquePtr<clang::QualType>, bool, bool, bool, clang::IdentifierInfo**)
/home/vegard/llvm/tools/clang/lib/Sema/SemaDecl.cpp:518:0
#21 0x000000000ea8af70
clang::Parser::ParseBaseTypeSpecifier(clang::SourceLocation&,
clang::SourceLocation&)
/home/vegard/llvm/tools/clang/lib/Parse/ParseDeclCXX.cpp:1181:0
#22 0x000000000eaacf80 clang::Parser::ParseBaseSpecifier(clang::Decl*)
/home/vegard/llvm/tools/clang/lib/Parse/ParseDeclCXX.cpp:2077:0
#23 0x000000000eaad847 clang::Parser::ParseBaseClause(clang::Decl*)
/home/vegard/llvm/tools/clang/lib/Parse/ParseDeclCXX.cpp:1999:0
#24 0x000000000eaafe57
clang::Parser::ParseCXXMemberSpecification(clang::SourceLocation,
clang::SourceLocation, clang::Parser::ParsedAttributesWithRange&, unsigned int,
clang::Decl*) /home/vegard/llvm/tools/clang/lib/Parse/ParseDeclCXX.cpp:3205:0
#25 0x000000000eab749d
clang::Parser::ParseClassSpecifier(clang::tok::TokenKind,
clang::SourceLocation, clang::DeclSpec&, clang::Parser::ParsedTemplateInfo
const&, clang::AccessSpecifier, bool, clang::Parser::DeclSpecContext,
clang::Parser::ParsedAttributesWithRange&)
/home/vegard/llvm/tools/clang/lib/Parse/ParseDeclCXX.cpp:1915:0
#26 0x000000000ea3e3a4
clang::Parser::ParseDeclarationSpecifiers(clang::DeclSpec&,
clang::Parser::ParsedTemplateInfo const&, clang::AccessSpecifier,
clang::Parser::DeclSpecContext, clang::Parser::LateParsedAttrList*)
/home/vegard/llvm/tools/clang/lib/Parse/ParseDecl.cpp:3675:0
#27 0x000000000ea4363c
clang::Parser::ParseSpecifierQualifierList(clang::DeclSpec&,
clang::AccessSpecifier, clang::Parser::DeclSpecContext)
/home/vegard/llvm/tools/clang/lib/Parse/ParseDecl.cpp:2392:0
#28 0x000000000eaded65
clang::Parser::ParseParenExpression(clang::Parser::ParenParseOption&, bool,
bool, clang::OpaquePtr<clang::QualType>&, clang::SourceLocation&)
/home/vegard/llvm/tools/clang/lib/Parse/ParseExpr.cpp:2385:0
#29 0x000000000eae258c
clang::Parser::ParseExprAfterUnaryExprOrTypeTrait(clang::Token const&, bool&,
clang::OpaquePtr<clang::QualType>&, clang::SourceRange&)
/home/vegard/llvm/tools/clang/lib/Parse/ParseExpr.cpp:1864:0
#30 0x000000000ea1537d
clang::Sema::CorrectDelayedTyposInExpr(clang::ActionResult<clang::Expr*, true>,
clang::VarDecl*, llvm::function_ref<clang::ActionResult<clang::Expr*, true>
(clang::Expr*)>) /home/vegard/llvm/tools/clang/include/clang/Sema/Sema.h:3260:0
#31 0x000000000ea1537d clang::Parser::ParseTypeofSpecifier(clang::DeclSpec&)
/home/vegard/llvm/tools/clang/lib/Parse/ParseDecl.cpp:6744:0
#32 0x000000000ea3bc1f
clang::Parser::ParseDeclarationSpecifiers(clang::DeclSpec&,
clang::Parser::ParsedTemplateInfo const&, clang::AccessSpecifier,
clang::Parser::DeclSpecContext, clang::Parser::LateParsedAttrList*)
/home/vegard/llvm/tools/clang/lib/Parse/ParseDecl.cpp:3714:0
#33 0x000000000ea9d5c9 clang::ColonProtectionRAIIObject::restore()
/home/vegard/llvm/tools/clang/include/clang/Parse/RAIIObjectsForParser.h:283:0
#34 0x000000000ea9d5c9
clang::Parser::ParseCXXClassMemberDeclaration(clang::AccessSpecifier,
clang::AttributeList*, clang::Parser::ParsedTemplateInfo const&,
clang::ParsingDeclRAIIObject*)
/home/vegard/llvm/tools/clang/lib/Parse/ParseDeclCXX.cpp:2569:0
#35 0x000000000eaa7810
clang::Parser::ParseCXXClassMemberDeclarationWithPragmas(clang::AccessSpecifier&,
clang::Parser::ParsedAttributesWithRange&, clang::TypeSpecifierType,
clang::Decl*) /home/vegard/llvm/tools/clang/lib/Parse/ParseDeclCXX.cpp:3095:0
#36 0x000000000eaaf2e4
clang::Parser::ParseCXXMemberSpecification(clang::SourceLocation,
clang::SourceLocation, clang::Parser::ParsedAttributesWithRange&, unsigned int,
clang::Decl*) /home/vegard/llvm/tools/clang/lib/Parse/ParseDeclCXX.cpp:3270:0
#37 0x000000000eab749d
clang::Parser::ParseClassSpecifier(clang::tok::TokenKind,
clang::SourceLocation, clang::DeclSpec&, clang::Parser::ParsedTemplateInfo
const&, clang::AccessSpecifier, bool, clang::Parser::DeclSpecContext,
clang::Parser::ParsedAttributesWithRange&)
/home/vegard/llvm/tools/clang/lib/Parse/ParseDeclCXX.cpp:1915:0
#38 0x000000000ea3e3a4
clang::Parser::ParseDeclarationSpecifiers(clang::DeclSpec&,
clang::Parser::ParsedTemplateInfo const&, clang::AccessSpecifier,
clang::Parser::DeclSpecContext, clang::Parser::LateParsedAttrList*)
/home/vegard/llvm/tools/clang/lib/Parse/ParseDecl.cpp:3675:0
#39 0x000000000ea61c88
clang::Parser::ParseParameterDeclarationClause(clang::Declarator&,
clang::ParsedAttributes&,
llvm::SmallVectorImpl<clang::DeclaratorChunk::ParamInfo>&,
clang::SourceLocation&)
/home/vegard/llvm/tools/clang/lib/Parse/ParseDecl.cpp:6384:0
#40 0x000000000ea6a80a
clang::Parser::ParseFunctionDeclarator(clang::Declarator&,
clang::ParsedAttributes&, clang::BalancedDelimiterTracker&, bool, bool)
/home/vegard/llvm/tools/clang/lib/Parse/ParseDecl.cpp:6067:0
#41 0x000000000ea6f22f clang::Parser::ParseScope::Exit()
/home/vegard/llvm/tools/clang/include/clang/Parse/Parser.h:881:0
#42 0x000000000ea6f22f clang::Parser::ParseDirectDeclarator(clang::Declarator&)
/home/vegard/llvm/tools/clang/lib/Parse/ParseDecl.cpp:5806:0
#43 0x000000000ea4f1b9
clang::Parser::ParseDeclaratorInternal(clang::Declarator&, void
(clang::Parser::*)(clang::Declarator&))
/home/vegard/llvm/tools/clang/lib/Parse/ParseDecl.cpp:5357:0
#44 0x000000000ea4fe7a clang::Parser::ParseDeclarator(clang::Declarator&)
/home/vegard/llvm/tools/clang/lib/Parse/ParseDecl.cpp:5227:0
#45 0x000000000ea562a6 clang::Declarator::hasName() const
/home/vegard/llvm/tools/clang/include/clang/Sema/DeclSpec.h:2110:0
#46 0x000000000ea562a6 clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&,
clang::DeclaratorContext, clang::SourceLocation*, clang::Parser::ForRangeInit*)
/home/vegard/llvm/tools/clang/lib/Parse/ParseDecl.cpp:1932:0
#47 0x000000000e9cc22e
clang::Parser::ParseDeclOrFunctionDefInternal(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec&, clang::AccessSpecifier)
/home/vegard/llvm/tools/clang/lib/Parse/Parser.cpp:1012:0
#48 0x000000000e9cdd91
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*, clang::AccessSpecifier) (.part.168.constprop.192)
/home/vegard/llvm/tools/clang/lib/Parse/Parser.cpp:1028:0
#49 0x000000000e9cded7
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*, clang::AccessSpecifier)
/home/vegard/llvm/tools/clang/lib/Parse/Parser.cpp:1030:0
#50 0x000000000e9dff74
clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*)
/home/vegard/llvm/tools/clang/lib/Parse/Parser.cpp:853:0
#51 0x000000000e9e3529 _ZN5clang13AttributePoolD4Ev
/home/vegard/llvm/tools/clang/include/clang/Sema/AttributeList.h:642:0
#52 0x000000000e9e3529 _ZN5clang16ParsedAttributesD4Ev
/home/vegard/llvm/tools/clang/include/clang/Sema/AttributeList.h:755:0
#53 0x000000000e9e3529 _ZN5clang6Parser25ParsedAttributesWithRangeD4Ev
/home/vegard/llvm/tools/clang/include/clang/Parse/Parser.h:1308:0
#54 0x000000000e9e3529
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&)
/home/vegard/llvm/tools/clang/lib/Parse/Parser.cpp:606:0
#55 0x000000000e9e4e78
clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&)
/home/vegard/llvm/tools/clang/lib/Parse/Parser.cpp:536:0
#56 0x000000000e9baa78 clang::ParseAST(clang::Sema&, bool, bool)
/home/vegard/llvm/tools/clang/lib/Parse/ParseAST.cpp:151:0
#57 0x000000000c01df2c clang::CodeGenAction::ExecuteAction()
/home/vegard/llvm/tools/clang/lib/CodeGen/CodeGenAction.cpp:1044:0
#58 0x000000000aecb7d6 clang::FrontendAction::Execute()
/home/vegard/llvm/tools/clang/lib/Frontend/FrontendAction.cpp:904:0
#59 0x000000000ad5d2c8
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
/home/vegard/llvm/tools/clang/lib/Frontend/CompilerInstance.cpp:990:0
#60 0x000000000b2dc498
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
/home/vegard/llvm/tools/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:256:0
#61 0x0000000000e993f8 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) /home/vegard/llvm/tools/clang/tools/driver/cc1_main.cpp:222:0
#62 0x0000000000de2539 ExecuteCC1Tool
/home/vegard/llvm/tools/clang/tools/driver/driver.cpp:310:0
#63 0x0000000000de2539 main
/home/vegard/llvm/tools/clang/tools/driver/driver.cpp:382:0
#64 0x00007f873f185830 __libc_start_main
/build/glibc-Cl5G7W/glibc-2.23/csu/../csu/libc-start.c:325:0
#65 0x0000000000e7e1f9 _start (/home/vegard/llvm-build/bin/clang-7+0xe7e1f9)
clang-7: error: unable to execute command: Aborted
clang-7: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 7.0.0 (https://github.com/llvm-mirror/clang
fd84b47426fa82c78ca25ba20cf37fc9b0f42586) (https://github.com/llvm-mirror/llvm
e1b4442d3ffc378f4a48dd0bfeb2b0876b116e2f)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/vegard/llvm-build/bin
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