https://llvm.org/bugs/show_bug.cgi?id=27264
Bug ID: 27264
Summary: Assertion failure Val && "isa<> used on a null
pointer" linking with -flto -g3
Product: new-bugs
Version: 3.8
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: malcolm.pars...@gmail.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
ld:
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/include/llvm/Support/Casting.h:95:
static bool llvm::isa_impl_cl<To, const From*>::doit(const From*) [with To =
llvm::DIFile; From = llvm::DIScope]: Assertion `Val && "isa<> used on a null
pointer"' failed.
<0x35e20dc0> = !DIGlobalVariable(name: "char_", linkageName:
"_ZN5boost6spirit8standardL5char_E", scope: <0x877e768>, file: <0x6f5ab60>,
line: 236, type: <0x877e828>, isLocal: true, isDefinition: true, variable:
%"struct.boost::spirit::terminal.171"* @_ZN5boost6spirit8standardL5char_E.4473)
clang-3.8: error: unable to execute command: Aborted (core dumped)
clang-3.8: error: linker command failed due to signal (use -v to see
invocation)
Program received signal SIGABRT, Aborted.
0x00007f9e5051ecc9 in __GI_raise (sig=sig@entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
56 ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0 0x00007f9e5051ecc9 in __GI_raise (sig=sig@entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x00007f9e505220d8 in __GI_abort () at abort.c:89
#2 0x00007f9e50517b86 in __assert_fail_base (fmt=0x7f9e50668830 "%s%s%s:%u:
%s%sAssertion `%s' failed.\n%n",
assertion=assertion@entry=0x7f9e4ea30948 "Val && \"isa<> used on a null
pointer\"",
file=file@entry=0x7f9e4ea30578
"/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/include/llvm/Support/Casting.h",
line=line@entry=95,
function=function@entry=0x7f9e4ea31040 <llvm::isa_impl_cl<llvm::DIFile,
llvm::DIScope const*>::doit(llvm::DIScope const*)::__PRETTY_FUNCTION__> "static
bool llvm::isa_impl_cl<To, const From*>::doit(const From*) [with To =
llvm::DIFile; From = llvm::DIScope]") at assert.c:92
#3 0x00007f9e50517c32 in __GI___assert_fail (assertion=0x7f9e4ea30948 "Val &&
\"isa<> used on a null pointer\"",
file=0x7f9e4ea30578
"/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/include/llvm/Support/Casting.h",
line=95,
function=0x7f9e4ea31040 <llvm::isa_impl_cl<llvm::DIFile, llvm::DIScope
const*>::doit(llvm::DIScope const*)::__PRETTY_FUNCTION__> "static bool
llvm::isa_impl_cl<To, const From*>::doit(const From*) [with To = llvm::DIFile;
>From = llvm::DIScope]") at assert.c:101
#4 0x00007f9e4cef8f6d in llvm::isa_impl_cl<llvm::DIFile, llvm::DIScope
const*>::doit (Val=0x0)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/include/llvm/Support/Casting.h:95
#5 0x00007f9e4cef8ed5 in llvm::isa_impl_wrap<llvm::DIFile, llvm::DIScope
const*, llvm::DIScope const*>::doit (Val=@0x7fff1dc50608: 0x0)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/include/llvm/Support/Casting.h:122
#6 0x00007f9e4cef8e42 in llvm::isa_impl_wrap<llvm::DIFile, llvm::DIScope
const* const, llvm::DIScope const*>::doit (
Val=@0x7fff1dc50658: 0x0) at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/include/llvm/Support/Casting.h:114
#7 0x00007f9e4cef8d45 in llvm::isa<llvm::DIFile, llvm::DIScope const*>
(Val=@0x7fff1dc50658: 0x0)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/include/llvm/Support/Casting.h:134
#8 0x00007f9e4cef88e8 in llvm::DIScope::getRawFile (this=0x0)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/include/llvm/IR/DebugInfoMetadata.h:430
#9 0x00007f9e4cef88be in llvm::DIScope::getFile (this=0x0)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/include/llvm/IR/DebugInfoMetadata.h:415
#10 0x00007f9e4d1bd314 in llvm::DIScope::getDirectory (this=0x0)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/include/llvm/IR/DebugInfoMetadata.h:509
#11 0x00007f9e4d8af67c in llvm::DwarfCompileUnit::constructImportedEntityDIE
(this=0xc99a3f0, Module=0x35e2cd48)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp:659
#12 0x00007f9e4d838910 in llvm::DwarfDebug::constructAndAddImportedEntityDIE
(this=0x31297ae0, TheCU=..., N=0x35e2cd48)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:456
#13 0x00007f9e4d838f17 in llvm::DwarfDebug::beginModule (this=0x31297ae0)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:500
#14 0x00007f9e4d836d53 in llvm::DwarfDebug::DwarfDebug (this=0x31297ae0,
A=0x3d5cc400, M=0x6a7a5e0)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:272
#15 0x00007f9e4d81a48f in llvm::AsmPrinter::doInitialization (this=0x3d5cc400,
M=...)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/lib/CodeGen/AsmPrinter/AsmPrinter.cpp:256
#16 0x00007f9e4d3f53c2 in llvm::X86AsmPrinter::doInitialization
(this=0x3d5cc400, M=...)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/lib/Target/X86/X86AsmPrinter.h:123
#17 0x00007f9e4e4e439c in llvm::FPPassManager::doInitialization
(this=0x253b2b50, M=...)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/lib/IR/LegacyPassManager.cpp:1580
#18 0x00007f9e4e4e4528 in (anonymous namespace)::MPPassManager::runOnModule
(this=0x403df830, M=...)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/lib/IR/LegacyPassManager.cpp:1612
#19 0x00007f9e4e4e4d27 in llvm::legacy::PassManagerImpl::run (this=0x3cdb17b0,
M=...)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/lib/IR/LegacyPassManager.cpp:1730
#20 0x00007f9e4e4e4f33 in llvm::legacy::PassManager::run (this=0x7fff1dc510a0,
M=...)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/lib/IR/LegacyPassManager.cpp:1761
#21 0x00007f9e4dbe583a in codegen (M=0x6a7a5e0, OS=...,
TheTarget=0x7f9e50344ce0 <llvm::TheX86_64Target>, CPU=..., Features=...,
Options=..., RM=llvm::Reloc::Static, CM=llvm::CodeModel::Default,
OL=llvm::CodeGenOpt::Aggressive,
FileType=llvm::TargetMachine::CGFT_ObjectFile) at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/lib/CodeGen/ParallelCG.cpp:39
#22 0x00007f9e4dbe5e72 in llvm::splitCodeGen (M=std::unique_ptr<llvm::Module>
containing 0x6a7a5e0, OSs=..., CPU=..., Features=...,
Options=..., RM=llvm::Reloc::Static, CM=llvm::CodeModel::Default,
OL=llvm::CodeGenOpt::Aggressive,
FileType=llvm::TargetMachine::CGFT_ObjectFile) at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/lib/CodeGen/ParallelCG.cpp:56
#23 0x00007f9e4c979132 in codegen (M=std::unique_ptr<llvm::Module> containing
0x0)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/tools/gold/gold-plugin.cpp:840
#24 0x00007f9e4c979cad in allSymbolsReadHook (ApiFile=0x0)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/tools/gold/gold-plugin.cpp:943
#25 0x00007f9e4c979da2 in all_symbols_read_hook () at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/tools/gold/gold-plugin.cpp:955
#26 0x00000000005ef55f in all_symbols_read (this=<optimised out>) at
../../gcc-5.3.0/gold/plugin.cc:359
#27 gold::Plugin_manager::all_symbols_read (this=0x23c83a0,
workqueue=0x7fff1dc58410, task=<optimised out>, input_objects=<optimised out>,
symtab=<optimised out>, dirpath=<optimised out>, mapfile=0x0,
last_blocker=0x2584628) at ../../gcc-5.3.0/gold/plugin.cc:534
#28 0x00000000005ef694 in gold::Plugin_hook::run (this=0x25845e0,
workqueue=0x7fff1dc58410) at ../../gcc-5.3.0/gold/plugin.cc:1420
#29 0x000000000064282d in gold::Workqueue::find_and_run_task
(this=0x7fff1dc58410, thread_number=0) at ../../gcc-5.3.0/gold/workqueue.cc:319
#30 0x0000000000642b8a in gold::Workqueue::process (this=0x7fff1dc58410,
thread_number=0) at ../../gcc-5.3.0/gold/workqueue.cc:495
#31 0x0000000000413fa9 in main (argc=224, argv=0x7fff1dc58618) at
../../gcc-5.3.0/gold/main.cc:252
#11 0x00007f9e4d8af67c in llvm::DwarfCompileUnit::constructImportedEntityDIE
(this=0xc99a3f0, Module=0x35e2cd48)
at
/home/mparsons/dev/toolchain/clang/llvm-3.8.0.src/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp:659
659 addSourceLine(*IMDie, Module->getLine(),
Module->getScope()->getFilename(),
660 Module->getScope()->getDirectory());
(gdb) p *Module
$1 = {
<llvm::DINode> = {
<llvm::MDNode> = {
<llvm::Metadata> = {
SubclassID = 22 '\026',
Storage = 0,
SubclassData16 = 8,
SubclassData32 = 0
},
members of llvm::MDNode:
NumOperands = 3,
NumUnresolved = 0,
Context = {
Ptr = {
Val = {
Value = 140733692844800
}
}
}
}, <No data fields>},
members of llvm::DIImportedEntity:
Line = 178
}
(gdb) p Module->getRawScope()
$2 = (llvm::Metadata *) 0x0
(gdb) p Module->getOperand(0)
$3 = (const llvm::MDOperand &) @0x35e2cd30: {
MD = 0x0
}
(gdb) p Module->getOperand(1)
$4 = (const llvm::MDOperand &) @0x35e2cd38: {
MD = 0x35e20dc0
}
(gdb) call Module->getOperand(1).MD->dump()
<0x35e20dc0> = !DIGlobalVariable(name: "char_", linkageName:
"_ZN5boost6spirit8standardL5char_E", scope: <0x877e768>, file: <0x6f5ab60>,
line: 236, type: <0x877e828>, isLocal: true, isDefinition: true, variable:
%"struct.boost::spirit::terminal.171"* @_ZN5boost6spirit8standardL5char_E.4473)
(gdb) p Module->getOperand(2)
$5 = (const llvm::MDOperand &) @0x35e2cd40: {
MD = 0x0
}
(gdb) p Module->getName()
$6 = {
Data = 0x0,
Length = 0
}
Boost was compiled by gcc 5.3.0 without -flto or -g.
The main program is compiled by Clang 3.8.0 with -flto -O3 -g3.
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