[LLVMbugs] [Bug 6568] New: Assertion failed: Default argument is not yet parsed!

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Wed Mar 10 03:01:30 PST 2010


http://llvm.org/bugs/show_bug.cgi?id=6568

           Summary: Assertion failed: Default argument is not yet parsed!
           Product: clang
           Version: trunk
          Platform: Macintosh
        OS/Version: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: Fons.Rademakers at cern.ch
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com


Created an attachment (id=4464)
 --> (http://llvm.org/bugs/attachment.cgi?id=4464)
Source file exhibiting the failed assertion

Doing clang++ -c aap.cxx fails:

Assertion failed: (!hasUnparsedDefaultArg() && "Default argument is not yet
parsed!"), function getDefaultArg, file
/Users/rdm/llvm/src/tools/clang/lib/AST/Decl.cpp, line 761.
0  clang             0x0000000100d49c5f PrintStackTrace(void*) + 38
1  clang             0x0000000100d4a1ed SignalHandler(int) + 336
2  libSystem.B.dylib 0x00007fff88a66eaa _sigtramp + 26
3  libSystem.B.dylib 0x00007fff88a0bbea tiny_malloc_from_free_list + 1196
4  libSystem.B.dylib 0x00007fff88ae2e74 __pthread_markcancel + 0
5  clang             0x00000001005257df clang::ParmVarDecl::getDefaultArg() +
75
6  clang             0x00000001003b942c (anonymous
namespace)::TemplateDeclInstantiator::VisitParmVarDecl(clang::ParmVarDecl*) +
452
7  clang             0x00000001003b9530 (anonymous
namespace)::TemplateDeclInstantiator::SubstFunctionType(clang::FunctionDecl*,
llvm::SmallVectorImpl<clang::ParmVarDecl*>&) + 176
8  clang             0x00000001003b9a4a (anonymous
namespace)::TemplateDeclInstantiator::VisitCXXMethodDecl(clang::CXXMethodDecl*,
clang::TemplateParameterList*) + 488
9  clang             0x00000001003bcf2c clang::DeclVisitor<(anonymous
namespace)::TemplateDeclInstantiator, clang::Decl*>::Visit(clang::Decl*) + 662
10 clang             0x00000001003be0c1 clang::Sema::SubstDecl(clang::Decl*,
clang::DeclContext*, clang::MultiLevelTemplateArgumentList const&) + 81
11 clang             0x00000001003a4c6a
clang::Sema::InstantiateClass(clang::SourceLocation, clang::CXXRecordDecl*,
clang::CXXRecordDecl*, clang::MultiLevelTemplateArgumentList const&,
clang::TemplateSpecializationKind, bool) + 1018
12 clang             0x00000001003acce0
clang::Sema::InstantiateClassTemplateSpecialization(clang::SourceLocation,
clang::ClassTemplateSpecializationDecl*, clang::TemplateSpecializationKind,
bool) + 1672
13 clang             0x00000001003c1ef2
clang::Sema::RequireCompleteType(clang::SourceLocation, clang::QualType,
clang::PartialDiagnostic const&, std::pair<clang::SourceLocation,
clang::PartialDiagnostic>) + 322
14 clang             0x0000000100274352
clang::Sema::CheckFieldDecl(clang::DeclarationName, clang::QualType,
clang::TypeSourceInfo*, clang::RecordDecl*, clang::SourceLocation, bool,
clang::Expr*, clang::SourceLocation, clang::AccessSpecifier, clang::NamedDecl*,
clang::Declarator*) + 356
15 clang             0x000000010027ebb2 clang::Sema::HandleField(clang::Scope*,
clang::RecordDecl*, clang::SourceLocation, clang::Declarator&, clang::Expr*,
clang::AccessSpecifier) + 748
16 clang             0x00000001002aaa53
clang::Sema::ActOnCXXMemberDeclarator(clang::Scope*, clang::AccessSpecifier,
clang::Declarator&,
clang::ASTMultiPtr<&(clang::ActionBase::DeleteTemplateParams(void*))>, void*,
void*, bool, bool) + 1113
17 clang             0x00000001005cbc73
clang::Parser::ParseCXXClassMemberDeclaration(clang::AccessSpecifier,
clang::Parser::ParsedTemplateInfo const&) + 3443
18 clang             0x00000001005cc421
clang::Parser::ParseCXXMemberSpecification(clang::SourceLocation, unsigned int,
clang::OpaquePtr<0>) + 1105
19 clang             0x00000001005cda1f
clang::Parser::ParseClassSpecifier(clang::tok::TokenKind,
clang::SourceLocation, clang::DeclSpec&, clang::Parser::ParsedTemplateInfo
const&, clang::AccessSpecifier, bool) + 5141
20 clang             0x00000001005c0e7d
clang::Parser::ParseDeclarationSpecifiers(clang::DeclSpec&,
clang::Parser::ParsedTemplateInfo const&, clang::AccessSpecifier,
clang::Parser::DeclSpecContext) + 6781
21 clang             0x00000001005ff276
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsingDeclSpec&,
clang::AttributeList*, clang::AccessSpecifier) + 118
22 clang             0x00000001005ff689
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::AttributeList*,
clang::AccessSpecifier) + 83
23 clang             0x00000001006013d9
clang::Parser::ParseExternalDeclaration(clang::CXX0XAttributeList) + 2213
24 clang             0x0000000100601517
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<1>&) + 247
25 clang             0x0000000100231e71 clang::ParseAST(clang::Preprocessor&,
clang::ASTConsumer*, clang::ASTContext&, bool, bool,
clang::CodeCompleteConsumer*) + 523
26 clang             0x000000010005a2d8
clang::ASTFrontendAction::ExecuteAction() + 256
27 clang             0x000000010005a3c8 clang::FrontendAction::Execute() + 226
28 clang             0x000000010003e114
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 726
29 clang             0x000000010001e15c cc1_main(char const**, char const**,
char const*, void*) + 1296
30 clang             0x0000000100022361 main + 252
31 clang             0x000000010001d134 start + 52
Stack dump:
0.      Program arguments: /Users/rdm/llvm/inst/bin/clang -cc1 -triple
x86_64-apple-darwin10.0.0 -S -disable-free -main-file-name aap.cxx -pic-level 1
-mdisable-fp-elim -munwind-tables -target-cpu core2 -resource-dir
/Users/rdm/llvm/inst/lib/clang/1.1 -fmessage-length 80 -stack-protector 1
-fblocks -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -o
/var/folders/zK/zKJDfZztH5upJbZEL05q7U+++TI/-Tmp-/cc-IGxIQz.s -x c++ aap.cxx 
1.      /Users/rdm/Dropbox/src/pythia8125/include/SusyLesHouches.h:443:20:
current parser token ';'
2.      /Users/rdm/Dropbox/src/pythia8125/include/SusyLesHouches.h:32:1:
parsing struct/union/class body 'SusyLesHouches'
clang: error: compiler command failed due to signal 6 (use -v to see
invocation)

With g++ it compiles fine.

Cheers, Fons.

-- 
Configure bugmail: http://llvm.org/bugs/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.



More information about the llvm-bugs mailing list