[llvm-dev] workaround for debug info bug?

Wed Nov 15 06:29:42 PST 2017

It reproduces with trunk on linux here as well.

...
#231 0x0000000004c5f822
llvm::DwarfUnit::getOrCreateContextDIE(llvm::DIScope const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:671:0
#232 0x0000000004c5faf2 llvm::DwarfUnit::getOrCreateTypeDIE(llvm::MDNode
const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:714:0
#233 0x0000000004c5f822
llvm::DwarfUnit::getOrCreateContextDIE(llvm::DIScope const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:671:0
#234 0x0000000004c5faf2 llvm::DwarfUnit::getOrCreateTypeDIE(llvm::MDNode
const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:714:0
#235 0x0000000004c5f822
llvm::DwarfUnit::getOrCreateContextDIE(llvm::DIScope const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:671:0
#236 0x0000000004c5faf2 llvm::DwarfUnit::getOrCreateTypeDIE(llvm::MDNode
const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:714:0
#237 0x0000000004c5f822
llvm::DwarfUnit::getOrCreateContextDIE(llvm::DIScope const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:671:0
#238 0x0000000004c5faf2 llvm::DwarfUnit::getOrCreateTypeDIE(llvm::MDNode
const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:714:0
#239 0x0000000004c5f822
llvm::DwarfUnit::getOrCreateContextDIE(llvm::DIScope const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:671:0
#240 0x0000000004c5faf2 llvm::DwarfUnit::getOrCreateTypeDIE(llvm::MDNode
const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:714:0
#241 0x0000000004c5f822
llvm::DwarfUnit::getOrCreateContextDIE(llvm::DIScope const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:671:0
#242 0x0000000004c5faf2 llvm::DwarfUnit::getOrCreateTypeDIE(llvm::MDNode
const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:714:0
#243 0x0000000004c5f822
llvm::DwarfUnit::getOrCreateContextDIE(llvm::DIScope const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:671:0
#244 0x0000000004c5faf2 llvm::DwarfUnit::getOrCreateTypeDIE(llvm::MDNode
const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:714:0
#245 0x0000000004c5f822
llvm::DwarfUnit::getOrCreateContextDIE(llvm::DIScope const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:671:0
#246 0x0000000004c5faf2 llvm::DwarfUnit::getOrCreateTypeDIE(llvm::MDNode
const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:714:0
#247 0x0000000004c5f822
llvm::DwarfUnit::getOrCreateContextDIE(llvm::DIScope const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:671:0
#248 0x0000000004c5faf2 llvm::DwarfUnit::getOrCreateTypeDIE(llvm::MDNode
const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:714:0
#249 0x0000000004c5f822
llvm::DwarfUnit::getOrCreateContextDIE(llvm::DIScope const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:671:0
#250 0x0000000004c5faf2 llvm::DwarfUnit::getOrCreateTypeDIE(llvm::MDNode
const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:714:0
#251 0x0000000004c5f822
llvm::DwarfUnit::getOrCreateContextDIE(llvm::DIScope const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:671:0
#252 0x0000000004c5faf2 llvm::DwarfUnit::getOrCreateTypeDIE(llvm::MDNode
const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:714:0
#253 0x0000000004c5f822
llvm::DwarfUnit::getOrCreateContextDIE(llvm::DIScope const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:671:0
#254 0x0000000004c5faf2 llvm::DwarfUnit::getOrCreateTypeDIE(llvm::MDNode
const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:714:0
#255 0x0000000004c5f822
llvm::DwarfUnit::getOrCreateContextDIE(llvm::DIScope const*)
/home/jimshinns/llvm-6.0-src/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:671:0
Stack dump:
0.    Program arguments: /usr/local/bin/clang-6.0 -cc1 -triple
x86_64-unknown-linux-gnu -emit-obj -mrelax-all -disable-free
-main-file-name test.ll -mrelocation-model static -mthread-model posix
-mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases
-munwind-tables -fuse-init-array -target-cpu x86-64 -dwarf-column-info
-debugger-tuning=gdb -coverage-notes-file /home/jimshinns/test.gcno
-resource-dir /usr/local/lib/clang/6.0.0 -fdebug-compilation-dir
/home/jimshinns -ferror-limit 19 -fmessage-length 80 -fobjc-runtime=gcc
-fdiagnostics-show-option -fcolor-diagnostics -o test.o -x ir test.ll
1.    Code generation
clang-6.0: error: unable to execute command: Segmentation fault (core
dumped)
clang-6.0: error: clang frontend command failed due to signal (use -v to
see invocation)
clang version 6.0.0 (trunk 318165)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/local/bin

GNOMETOYS

On Wed, Nov 15, 2017 at 2:00 AM, Nemanja Ivanovic via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Seems like something infinite-recursion like to me:
> $ clang --version
> clang version 6.0.0 (trunk 317833)
> Target: powerpc64le-unknown-linux-gnu
> $ clang -c test.ll
> warning: overriding the module target triple with
> powerpc64le-unknown-linux-gnu [-Woverride-module]
> ...
> #255 0x0000000012b07a78 llvm::DwarfUnit::getOrCreateTypeDIE(llvm::MDNode
> const*)
> ...
>
> So I'd say it reproduces.
>
> On Wed, Nov 15, 2017 at 6:20 AM, 陳韋任 via llvm-dev <llvm-dev at lists.llvm.org
> > wrote:
>
>> Test on Mac, with not latest but trunk code. I get error below:
>>
>> $ clang -c test.ll
>> warning: overriding the module target triple with
>> x86_64-apple-macosx10.13.0 [-Woverride-module]
>> clang-6.0: error: unable to execute command: Illegal instruction: 4
>>
>>
>> I see no infinite recursion here.
>>
>>
>> --
>> Wei-Ren Chen (陳韋任)
>> Homepage: https://people.cs.nctu.edu.tw/~chenwj
>>
>> _______________________________________________
>> LLVM Developers mailing list
>> llvm-dev at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>>
>>
>
> _______________________________________________
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>
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