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<base href="http://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Assertion failed: (CurNum != ArgNum), function addScopeVariable, file src/lib/CodeGen/AsmPrinter/DwarfFile.cpp, line 180."
href="http://llvm.org/bugs/show_bug.cgi?id=21408">21408</a>
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<tr>
<th>Summary</th>
<td>Assertion failed: (CurNum != ArgNum), function addScopeVariable, file src/lib/CodeGen/AsmPrinter/DwarfFile.cpp, line 180.
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Macintosh
</td>
</tr>
<tr>
<th>OS</th>
<td>MacOS X
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>stephan.bergmann.secondary@googlemail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>At least with recent LLVM trunk r220776 on Mac OS X 10.10, compiling TRIAGE.cc
<span class="quote">> template<typename T> struct X {
> static T * t;
> __attribute__ ((__always_inline__)) T * f() { return t; }
> };
> struct Y { Y(int, int); };
> struct Z: Y {
> Z(Z&);
> operator X<Z>();
> int f();
> Z(X<Z> x): Y(x.f()->f(), x.f()->f()) {}
> };
> Z f();
> void g() { Z z = f(); }</span >
via
<span class="quote">> clang++ -cc1 -triple x86_64-apple-macosx10.10.0 -emit-obj -gdwarf-2 TRIAGE.cc</span >
fails with
<span class="quote">> Assertion failed: (CurNum != ArgNum), function addScopeVariable, file src/lib/CodeGen/AsmPrinter/DwarfFile.cpp, line 180.
> 0 clang++ 0x00000001111715ab llvm::sys::PrintStackTrace(__sFILE*) + 43
> 1 clang++ 0x0000000111171d4b SignalHandler(int) + 635
> 2 libsystem_platform.dylib 0x00007fff8be2df1a _sigtramp + 26
> 3 libsystem_platform.dylib 0x0000000000000002 _sigtramp + 1948066050
> 4 clang++ 0x0000000111171ab6 abort + 22
> 5 clang++ 0x0000000111171a91 __assert_rtn + 81
> 6 clang++ 0x0000000110a1575c llvm::DwarfFile::addScopeVariable(llvm::LexicalScope*, llvm::DbgVariable*) + 364
> 7 clang++ 0x0000000110a01f45 llvm::DwarfDebug::collectVariableInfoFromMMITable(llvm::SmallPtrSetImpl<llvm::MDNode const*>&) + 597
> 8 clang++ 0x0000000110a02d61 llvm::DwarfDebug::collectVariableInfo(llvm::DwarfCompileUnit&, llvm::DISubprogram, llvm::SmallPtrSetImpl<llvm::MDNode const*>&) + 49
> 9 clang++ 0x0000000110a04844 llvm::DwarfDebug::endFunction(llvm::MachineFunction const*) + 756
> 10 clang++ 0x00000001109dfd9d llvm::AsmPrinter::EmitFunctionBody() + 4909
> 11 clang++ 0x0000000110704068 llvm::X86AsmPrinter::runOnMachineFunction(llvm::MachineFunction&) + 152
> 12 clang++ 0x0000000110aeb5fc llvm::MachineFunctionPass::runOnFunction(llvm::Function&) + 124
> 13 clang++ 0x00000001110fadfd llvm::FPPassManager::runOnFunction(llvm::Function&) + 333
> 14 clang++ 0x00000001110fb08b llvm::FPPassManager::runOnModule(llvm::Module&) + 43
> 15 clang++ 0x00000001110fb6b1 llvm::legacy::PassManagerImpl::run(llvm::Module&) + 1137
> 16 clang++ 0x000000010f13c91e clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::raw_ostream*) + 6590
> 17 clang++ 0x000000010f288ed2 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) + 514
> 18 clang++ 0x000000010f320684 clang::ParseAST(clang::Sema&, bool, bool) + 468
> 19 clang++ 0x000000010f2878ab clang::CodeGenAction::ExecuteAction() + 123
> 20 clang++ 0x000000010ef85093 clang::FrontendAction::Execute() + 67
> 21 clang++ 0x000000010ef56b9c clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 972
> 22 clang++ 0x000000010ef11c15 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 4149
> 23 clang++ 0x000000010ef08a0d cc1_main(llvm::ArrayRef<char const*>, char const*, void*) + 1053
> 24 clang++ 0x000000010ef0fcad main + 11517
> 25 libdyld.dylib 0x00007fff952465c9 start + 1
> 26 libdyld.dylib 0x0000000000000007 start + 1792776767
> Stack dump:
> 0. Program arguments: clang++ -cc1 -triple x86_64-apple-macosx10.10.0 -emit-obj -gdwarf-2 TRIAGE.cc
> 1. <eof> parser at end of file
> 2. Code generation
> 3. Running pass 'Function Pass Manager' on module 'TRIAGE.cc'.
> 4. Running pass 'X86 Assembly / Object Emitter' on function '@_ZN1ZC2E1XIS_E'
> ./TRIAGE.sh: line 1: 447 Illegal instruction: 4 clang++ -cc1 -triple x86_64-apple-macosx10.10.0 -emit-obj -gdwarf-2 TRIAGE.cc</span ></pre>
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