clang trunk assert '(!Qualifier && "Can't have an unnamed field with a qualifier!"), function RebuildMemberExpr'

[llvmbot]

Bugzilla Link	9188
Resolution	FIXED
Resolved on	Feb 17, 2011 20:45
Version	trunk
OS	MacOS X
Attachments	example file
Reporter	LLVM Bugzilla Contributor
CC	@DougGregor,@tkremenek

Extended Description

clang version 2.9 (trunk 125275)
Target: x86_64-apple-darwin10
Thread model: posix

Trying to compile vtk using clang issues the following stack trace:

Assertion failed: (!Qualifier && "Can't have an unnamed field with a qualifier!"), function RebuildMemberExpr, file TreeTransform.h, line 1374.
0 clang 0x0000000101535182 PrintStackTrace(void*) + 34
1 clang 0x0000000101535fd3 SignalHandler(int) + 707
2 libSystem.B.dylib 0x00007fff847b767a _sigtramp + 26
3 libSystem.B.dylib 0x0000000104200000 _sigtramp + 2141489568
4 clang 0x000000010001a722 __assert_rtn + 66
5 clang 0x000000010059493d clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::RebuildMemberExpr(clang::Expr*, clang::SourceLocation, bool, clang::NestedNameSpecifier*, clang::SourceRange, clang::DeclarationNameInfo const&, clang::ValueDecl*, clang::NamedDecl*, clang::TemplateArgumentListInfo const*, clang::NamedDecl*) + 1261
6 clang 0x00000001005ae60c clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::TransformMemberExpr(clang::MemberExpr*) + 716
7 clang 0x000000010059fa11 clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::TransformExpr(clang::Expr*) + 1073
8 clang 0x00000001005ae39a clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::TransformMemberExpr(clang::MemberExpr*) + 90
9 clang 0x000000010059fa11 clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::TransformExpr(clang::Expr*) + 1073
10 clang 0x00000001005b0d3a clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::TransformBinaryOperator(clang::BinaryOperator*) + 90
11 clang 0x000000010059f84f clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::TransformExpr(clang::Expr*) + 623
12 clang 0x00000001005b4dc1 clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::TransformStmt(clang::Stmt*) + 2225
13 clang 0x00000001005b5297 clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::TransformCompoundStmt(clang::CompoundStmt*, bool) + 167
14 clang 0x00000001005b4a60 clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::TransformStmt(clang::Stmt*) + 1360
15 clang 0x00000001005b688f clang::Sema::SubstStmt(clang::Stmt*, clang::MultiLevelTemplateArgumentList const&) + 47
16 clang 0x00000001005c7a3f clang::Sema::InstantiateFunctionDefinition(clang::SourceLocation, clang::FunctionDecl*, bool, bool) + 2383
17 clang 0x00000001005c6e54 clang::Sema::PerformPendingInstantiations(bool) + 308
18 clang 0x00000001003521b1 clang::Sema::ActOnEndOfTranslationUnit() + 305
19 clang 0x00000001003391fe clang::Parser::ParseTopLevelDecl(clang::OpaquePtrclang::DeclGroupRef&) + 190
20 clang 0x00000001002e301f clang::ParseAST(clang::Sema&, bool) + 159
21 clang 0x00000001002b45cc clang::CodeGenAction::ExecuteAction() + 60
22 clang 0x0000000100055df9 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 393
23 clang 0x00000001000248b2 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 1602
24 clang 0x000000010001c51a cc1_main(char const**, char const**, char const*, void*) + 586
25 clang 0x00000001000238d4 main + 5588
26 clang 0x000000010001ae04 start + 52
Stack dump:
0. Program arguments: /Users/ritter/Temp/llvm/Release+Asserts/bin/clang -cc1 -triple x86_64-apple-darwin10.0.0 -emit-obj -mrelax-all -disable-free -main-file-name vtk_qualifier_crash.ii -pic-level 1 -mdisable-fp-elim -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version 97.17 -resource-dir /Users/ritter/Temp/llvm/Release+Asserts/bin/../lib/clang/2.9 -ferror-limit 19 -fmessage-length 109 -stack-protector 1 -fblocks -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -o vtk_qualifier_crash.o -x c++-cpp-output vtk_qualifier_crash.ii

1. parser at end of file
2. /Users/ritter/Developer.osxresearch/FMEwork/ThirdParty/Sources/vtk/currentVersion/IO/vtkOpenFOAMReader.cxx:2312:70: instantiating function definition 'ReadNonuniformList'
   clang: error: unable to execute command: Illegal instruction
   clang: error: clang frontend command failed due to signal 1 (use -v to see invocation)

[llvmbot]

the code builds fine using gcc 4.2.1 or VC8-VC10

[tkremenek]

I can reproduce this with TOT.

[tkremenek]

Delta-reduced test case

[tkremenek]

cloned to rdar://problem/8990184

[DougGregor]

Fixed in Clang r125822.