[llvm] [LLVM][TableGen] Parameterize NumToSkip in DecoderEmitter (PR #135882)

Wed Apr 16 13:19:28 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `libc-x86_64-debian-dbg-bootstrap-build` running on `libc-x86_64-debian` while building `llvm` at step 4 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/200/builds/7501

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 4 (annotate) failure: 'python ../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py ...' (failure)
...
[21/1349] Building AArch64GenO0PreLegalizeGICombiner.inc...
[22/1349] Building AArch64GenSystemOperands.inc...
[23/1349] Building AArch64GenPostLegalizeGILowering.inc...
[24/1349] Building AArch64GenPostLegalizeGICombiner.inc...
[25/1349] Building AArch64GenPreLegalizeGICombiner.inc...
[26/1349] Building AArch64GenMCCodeEmitter.inc...
[27/1349] Building AArch64GenAsmWriter.inc...
[28/1349] Building AArch64GenRegisterBank.inc...
[29/1349] Building AArch64GenAsmWriter1.inc...
[30/1349] Building AArch64GenDisassemblerTables.inc...
FAILED: lib/Target/AArch64/AArch64GenDisassemblerTables.inc /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/lib/Target/AArch64/AArch64GenDisassemblerTables.inc 
cd /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build && /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/bin/llvm-tblgen -gen-disassembler --num-to-skip-size=3 -I /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Target/AArch64 -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/include -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/include -I /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Target /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Target/AArch64/AArch64.td --write-if-changed -o lib/Target/AArch64/AArch64GenDisassemblerTables.inc -d lib/Target/AArch64/AArch64GenDisassemblerTables.inc.d
llvm-tblgen: /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:151: void (anonymous namespace)::DecoderTable::patchNumToSkip(size_t, uint32_t): Assertion `DestIdx > FixupIdx + NumToSkipSizeInBytes && "Expecting a forward jump in the decoding table"' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0.	Program arguments: /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/bin/llvm-tblgen -gen-disassembler --num-to-skip-size=3 -I /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Target/AArch64 -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/include -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/include -I /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Target /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Target/AArch64/AArch64.td --write-if-changed -o lib/Target/AArch64/AArch64GenDisassemblerTables.inc -d lib/Target/AArch64/AArch64GenDisassemblerTables.inc.d
 #0 0x0000559c4b18528d llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Support/Unix/Signals.inc:804:11
 #1 0x0000559c4b18577b PrintStackTraceSignalHandler(void*) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Support/Unix/Signals.inc:880:1
 #2 0x0000559c4b1837a6 llvm::sys::RunSignalHandlers() /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Support/Signals.cpp:105:5
 #3 0x0000559c4b185fbd SignalHandler(int, siginfo_t*, void*) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Support/Unix/Signals.inc:418:7
 #4 0x00007f3cc565b050 (/lib/x86_64-linux-gnu/libc.so.6+0x3c050)
 #5 0x00007f3cc56a9eec (/lib/x86_64-linux-gnu/libc.so.6+0x8aeec)
 #6 0x00007f3cc565afb2 raise (/lib/x86_64-linux-gnu/libc.so.6+0x3bfb2)
 #7 0x00007f3cc5645472 abort (/lib/x86_64-linux-gnu/libc.so.6+0x26472)
 #8 0x00007f3cc5645395 (/lib/x86_64-linux-gnu/libc.so.6+0x26395)
 #9 0x00007f3cc5653ec2 (/lib/x86_64-linux-gnu/libc.so.6+0x34ec2)
#10 0x0000559c4aea1e76 (anonymous namespace)::DecoderTable::patchNumToSkip(unsigned long, unsigned int) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:152:22
#11 0x0000559c4ae8b7ce resolveTableFixups((anonymous namespace)::DecoderTable&, std::vector<unsigned int, std::allocator<unsigned int>> const&, unsigned int) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:720:26
#12 0x0000559c4ae9f400 (anonymous namespace)::FilterChooser::emitSingletonTableEntry((anonymous namespace)::DecoderTableInfo&, (anonymous namespace)::Filter const&) const /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:1475:3
#13 0x0000559c4ae8b62a (anonymous namespace)::FilterChooser::emitTableEntries((anonymous namespace)::DecoderTableInfo&) const /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:1769:7
#14 0x0000559c4ae9f6bd (anonymous namespace)::Filter::emitTableEntry((anonymous namespace)::DecoderTableInfo&) const /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:779:9
#15 0x0000559c4ae8b63c (anonymous namespace)::FilterChooser::emitTableEntries((anonymous namespace)::DecoderTableInfo&) const /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:1772:5
#16 0x0000559c4ae89248 (anonymous namespace)::DecoderEmitter::run(llvm::raw_ostream&) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:2552:5
#17 0x0000559c4ae8842f llvm::EmitDecoder(llvm::RecordKeeper const&, llvm::raw_ostream&, llvm::StringRef) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:2584:3
#18 0x0000559c4aed8308 emitDisassembler(llvm::RecordKeeper const&, llvm::raw_ostream&) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DisassemblerEmitter.cpp:131:1
#19 0x0000559c4ab7368f void llvm::function_ref<void (llvm::RecordKeeper const&, llvm::raw_ostream&)>::callback_fn<void (llvm::RecordKeeper const&, llvm::raw_ostream&)>(long, llvm::RecordKeeper const&, llvm::raw_ostream&) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:46:5
#20 0x0000559c4b20103e llvm::function_ref<void (llvm::RecordKeeper const&, llvm::raw_ostream&)>::operator()(llvm::RecordKeeper const&, llvm::raw_ostream&) const /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:69:5
#21 0x0000559c4b2006a5 llvm::TableGen::Emitter::ApplyCallback(llvm::RecordKeeper const&, llvm::raw_ostream&) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/TableGen/TableGenBackend.cpp:69:3
#22 0x0000559c4b1bc813 llvm::TableGenMain(char const*, std::function<bool (llvm::raw_ostream&, llvm::RecordKeeper const&)>) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/TableGen/Main.cpp:152:7
#23 0x0000559c4abcb3a4 tblgen_main(int, char**) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/Basic/TableGen.cpp:74:10
#24 0x0000559c4afa5cc2 main /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/llvm-tblgen.cpp:18:35
#25 0x00007f3cc564624a (/lib/x86_64-linux-gnu/libc.so.6+0x2724a)
#26 0x00007f3cc5646305 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x27305)
#27 0x0000559c4ab637e1 _start (/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/bin/llvm-tblgen+0x267e1)
Aborted
[31/1349] Building R600GenAsmWriter.inc...
[32/1349] Building R600GenCallingConv.inc...
[33/1349] Building R600GenDFAPacketizer.inc...
[34/1349] Building R600GenMCCodeEmitter.inc...
Step 6 (build libc) failure: build libc (failure)
...
[21/1349] Building AArch64GenO0PreLegalizeGICombiner.inc...
[22/1349] Building AArch64GenSystemOperands.inc...
[23/1349] Building AArch64GenPostLegalizeGILowering.inc...
[24/1349] Building AArch64GenPostLegalizeGICombiner.inc...
[25/1349] Building AArch64GenPreLegalizeGICombiner.inc...
[26/1349] Building AArch64GenMCCodeEmitter.inc...
[27/1349] Building AArch64GenAsmWriter.inc...
[28/1349] Building AArch64GenRegisterBank.inc...
[29/1349] Building AArch64GenAsmWriter1.inc...
[30/1349] Building AArch64GenDisassemblerTables.inc...
FAILED: lib/Target/AArch64/AArch64GenDisassemblerTables.inc /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/lib/Target/AArch64/AArch64GenDisassemblerTables.inc 
cd /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build && /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/bin/llvm-tblgen -gen-disassembler --num-to-skip-size=3 -I /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Target/AArch64 -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/include -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/include -I /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Target /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Target/AArch64/AArch64.td --write-if-changed -o lib/Target/AArch64/AArch64GenDisassemblerTables.inc -d lib/Target/AArch64/AArch64GenDisassemblerTables.inc.d
llvm-tblgen: /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:151: void (anonymous namespace)::DecoderTable::patchNumToSkip(size_t, uint32_t): Assertion `DestIdx > FixupIdx + NumToSkipSizeInBytes && "Expecting a forward jump in the decoding table"' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0.	Program arguments: /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/bin/llvm-tblgen -gen-disassembler --num-to-skip-size=3 -I /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Target/AArch64 -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/include -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/include -I /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Target /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Target/AArch64/AArch64.td --write-if-changed -o lib/Target/AArch64/AArch64GenDisassemblerTables.inc -d lib/Target/AArch64/AArch64GenDisassemblerTables.inc.d
 #0 0x0000559c4b18528d llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Support/Unix/Signals.inc:804:11
 #1 0x0000559c4b18577b PrintStackTraceSignalHandler(void*) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Support/Unix/Signals.inc:880:1
 #2 0x0000559c4b1837a6 llvm::sys::RunSignalHandlers() /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Support/Signals.cpp:105:5
 #3 0x0000559c4b185fbd SignalHandler(int, siginfo_t*, void*) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/Support/Unix/Signals.inc:418:7
 #4 0x00007f3cc565b050 (/lib/x86_64-linux-gnu/libc.so.6+0x3c050)
 #5 0x00007f3cc56a9eec (/lib/x86_64-linux-gnu/libc.so.6+0x8aeec)
 #6 0x00007f3cc565afb2 raise (/lib/x86_64-linux-gnu/libc.so.6+0x3bfb2)
 #7 0x00007f3cc5645472 abort (/lib/x86_64-linux-gnu/libc.so.6+0x26472)
 #8 0x00007f3cc5645395 (/lib/x86_64-linux-gnu/libc.so.6+0x26395)
 #9 0x00007f3cc5653ec2 (/lib/x86_64-linux-gnu/libc.so.6+0x34ec2)
#10 0x0000559c4aea1e76 (anonymous namespace)::DecoderTable::patchNumToSkip(unsigned long, unsigned int) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:152:22
#11 0x0000559c4ae8b7ce resolveTableFixups((anonymous namespace)::DecoderTable&, std::vector<unsigned int, std::allocator<unsigned int>> const&, unsigned int) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:720:26
#12 0x0000559c4ae9f400 (anonymous namespace)::FilterChooser::emitSingletonTableEntry((anonymous namespace)::DecoderTableInfo&, (anonymous namespace)::Filter const&) const /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:1475:3
#13 0x0000559c4ae8b62a (anonymous namespace)::FilterChooser::emitTableEntries((anonymous namespace)::DecoderTableInfo&) const /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:1769:7
#14 0x0000559c4ae9f6bd (anonymous namespace)::Filter::emitTableEntry((anonymous namespace)::DecoderTableInfo&) const /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:779:9
#15 0x0000559c4ae8b63c (anonymous namespace)::FilterChooser::emitTableEntries((anonymous namespace)::DecoderTableInfo&) const /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:1772:5
#16 0x0000559c4ae89248 (anonymous namespace)::DecoderEmitter::run(llvm::raw_ostream&) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:2552:5
#17 0x0000559c4ae8842f llvm::EmitDecoder(llvm::RecordKeeper const&, llvm::raw_ostream&, llvm::StringRef) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DecoderEmitter.cpp:2584:3
#18 0x0000559c4aed8308 emitDisassembler(llvm::RecordKeeper const&, llvm::raw_ostream&) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/DisassemblerEmitter.cpp:131:1
#19 0x0000559c4ab7368f void llvm::function_ref<void (llvm::RecordKeeper const&, llvm::raw_ostream&)>::callback_fn<void (llvm::RecordKeeper const&, llvm::raw_ostream&)>(long, llvm::RecordKeeper const&, llvm::raw_ostream&) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:46:5
#20 0x0000559c4b20103e llvm::function_ref<void (llvm::RecordKeeper const&, llvm::raw_ostream&)>::operator()(llvm::RecordKeeper const&, llvm::raw_ostream&) const /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:69:5
#21 0x0000559c4b2006a5 llvm::TableGen::Emitter::ApplyCallback(llvm::RecordKeeper const&, llvm::raw_ostream&) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/TableGen/TableGenBackend.cpp:69:3
#22 0x0000559c4b1bc813 llvm::TableGenMain(char const*, std::function<bool (llvm::raw_ostream&, llvm::RecordKeeper const&)>) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/lib/TableGen/Main.cpp:152:7
#23 0x0000559c4abcb3a4 tblgen_main(int, char**) /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/Basic/TableGen.cpp:74:10
#24 0x0000559c4afa5cc2 main /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/llvm-project/llvm/utils/TableGen/llvm-tblgen.cpp:18:35
#25 0x00007f3cc564624a (/lib/x86_64-linux-gnu/libc.so.6+0x2724a)
#26 0x00007f3cc5646305 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x27305)
#27 0x0000559c4ab637e1 _start (/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian/libc-x86_64-debian-dbg-bootstrap-build/build/bin/llvm-tblgen+0x267e1)
Aborted
[31/1349] Building R600GenAsmWriter.inc...
[32/1349] Building R600GenCallingConv.inc...
[33/1349] Building R600GenDFAPacketizer.inc...
[34/1349] Building R600GenMCCodeEmitter.inc...

```

</details>

https://github.com/llvm/llvm-project/pull/135882