[cfe-dev] clang: error: compiler command failed due to signal 6

Chris Lattner clattner at apple.com
Fri Jul 31 08:44:00 PDT 2009

On Jul 31, 2009, at 3:45 AM, Robert Purves wrote:
> $ clang --version
> clang version 1.0 (http://llvm.org/svn/llvm-project/cfe/trunk 77666)
> Target: i386-apple-darwin9
> Thread model: posix
> $ cat test.c
> #include <Carbon/Carbon.h>
> void test()
> {
> 	UnsignedWide	usw;
> }

I can also reproduce this with no problem.  Devang, I get this crash,  
can you take a look?


Assertion failed: (I != CompileUnitMap.end() && "Missing compile  
unit."), function FindCompileUnit, file DwarfDebug.cpp, line 922.

Program received signal SIGABRT, Aborted.
0x93565e42 in __kill ()
(gdb) bt
#0  0x93565e42 in __kill ()
#1  0x93565e34 in kill$UNIX2003 ()
#2  0x935d823a in raise ()
#3  0x935e4679 in abort ()
#4  0x935d93db in __assert_rtn ()
#5  0x00bac0a1 in llvm::DwarfDebug::FindCompileUnit (this=0x43b8e00,  
Unit={<llvm::DIDescriptor> = {DbgGV = 0x2a5104c}, <No data fields>})  
at DwarfDebug.cpp:922
#6  0x00baf4e4 in llvm::DwarfDebug::AddSourceLine (this=0x43b8e00,  
Die=0xbfffdd80, Ty=0xbfffded4) at DwarfDebug.cpp:490
#7  0x00bb25d9 in llvm::DwarfDebug::ConstructTypeDIE (this=0x43b8e00,  
DW_Unit=0x2a5ab40, Buffer=@0xbfffdd80, DTy=@0xbfffded4) at  
#8  0x00bb0487 in llvm::DwarfDebug::AddType (this=0x43b8e00,  
DW_Unit=0x2a5ab40, Entity=0x2a5bda0, Ty=@0xbfffdf4c) at DwarfDebug.cpp: 
#9  0x00bb15b1 in llvm::DwarfDebug::CreateMemberDIE (this=0x43b8e00,  
DW_Unit=0x2a5ab40, DT=@0xbfffe010) at DwarfDebug.cpp:813
#10 0x00bb2277 in llvm::DwarfDebug::ConstructTypeDIE (this=0x43b8e00,  
DW_Unit=0x2a5ab40, Buffer=@0xbfffe080, CTy=@0xbfffe1dc) at  
#11 0x00bb0539 in llvm::DwarfDebug::AddType (this=0x43b8e00,  
DW_Unit=0x2a5ab40, Entity=0xbfffe280, Ty=@0xbfffe238) at  
#12 0x00bb252e in llvm::DwarfDebug::ConstructTypeDIE (this=0x43b8e00,  
DW_Unit=0x2a5ab40, Buffer=@0xbfffe280, DTy=@0xbfffe3d4) at  
#13 0x00bb0487 in llvm::DwarfDebug::AddType (this=0x43b8e00,  
DW_Unit=0x2a5ab40, Entity=0x2a5bb80, Ty=@0xbfffe44c) at DwarfDebug.cpp: 
#14 0x00bb075e in llvm::DwarfDebug::CreateDbgScopeVariable  
(this=0x43b8e00, DV=0x2a5b680, Unit=0x2a5ab40) at DwarfDebug.cpp:957
#15 0x00bb08a8 in llvm::DwarfDebug::ConstructDbgScope (this=0x43b8e00,  
ParentScope=0x2a5b4d0, ParentStartID=0, ParentEndID=0,  
ParentDie=0x2a5abc0, Unit=0x2a5ab40) at DwarfDebug.cpp:1013
#16 0x00bb0f59 in llvm::DwarfDebug::ConstructFunctionDbgScope  
(this=0x43b8e00, RootScope=0x2a5b4d0, AbstractScope=false) at  
#17 0x00bb4210 in llvm::DwarfDebug::EndFunction (this=0x43b8e00,  
MF=0x2a5af60) at DwarfDebug.cpp:1481
#18 0x00bcde2b in llvm::DwarfWriter::EndFunction (this=0x2a58290,  
MF=0x2a5af60) at DwarfWriter.cpp:66
#19 0x0089332b in llvm::X86ATTAsmPrinter::runOnMachineFunction  
(this=0x2a59e30, MF=@0x2a5af60) at X86ATTAsmPrinter.cpp:282
#20 0x00c1a6e6 in llvm::MachineFunctionPass::runOnFunction  
(this=0x2a59e30, F=@0x2a4d600) at MachineFunction.cpp:45
#21 0x00eea5e0 in llvm::FPPassManager::runOnFunction (this=0x2a56d40,  
F=@0x2a4d600) at PassManager.cpp:1372
#22 0x00eea850 in llvm::FunctionPassManagerImpl::run (this=0x2a56b40,  
F=@0x2a4d600) at PassManager.cpp:1324
#23 0x00eea964 in llvm::FunctionPassManager::run (this=0x2a35360,  
F=@0x2a4d600) at PassManager.cpp:1254
#24 0x00023227 in (anonymous namespace)::BackendConsumer::EmitAssembly  
(this=0x2a03c50) at Backend.cpp:359
#25 0x0002431f in (anonymous  
namespace)::BackendConsumer::HandleTranslationUnit (this=0x2a03c50,  
C=@0x3011000) at Backend.cpp:149
#26 0x0023a100 in clang::ParseAST (PP=@0x2a05fa0, Consumer=0x2a03c50,  
Ctx=@0x3011000, PrintStats=false, CompleteTranslationUnit=true) at  
#27 0x00005e76 in ProcessInputFile (PP=@0x2a05fa0, PPF=@0xbffff254,  
InFile=@0x2a05b40, PA=EmitAssembly, Features=@0xbffff27c,  
Context=@0x2a01170) at clang-cc.cpp:2053
#28 0x0000755b in main (argc=22, argv=0xbffff368) at clang-cc.cpp:2309

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