Build failure in /tools/clang/include/clang/AST/{AttrNodeTraverse.inc, AttrVisitor.inc, AttrImpl.inc, AttrTextNodeDump.inc, Attrs.inc, AbstractBasicReader.inc}

[jullanggit]

System

Linux 6.11.3-arch1-1 #1 SMP PREEMPT_DYNAMIC Thu, 10 Oct 2024 20:11:06 +0000 x86_64 GNU/Linux
gcc (GCC) 14.2.1 20240910
clang version 18.1.8

Issue

I am trying to build the llvm-git aur package, but somewhere about halfway through the compilation, I get multiple failures related to the AST. The errors all look roughly like this:

FAILED: tools/clang/include/clang/AST/AbstractBasicReader.inc /home/user/.cache/paru/clone/llvm-git/src/_build/tools/clang/include/clang/AST/AbstractBasicReader.inc
cd /home/user/.cache/paru/clone/llvm-git/src/_build && /home/user/.cache/paru/clone/llvm-git/src/_build/bin/clang-tblgen -gen-clang-basic-reader -I /home/user/.cache/paru/clone/llvm-git/src/llvm-project/clang/include/clang/AST -I/home/user/.cache/paru/clone/llvm-git/src/llvm-project/clang/include -I/home/user/.cache/paru/clone/llvm-git/src/_build/tools/clang/include -I/home/user/.cache/paru/clone/llvm-git/src/_build/include -I/home/user/.cache/paru/clone/llvm-git/src/llvm-project/llvm/include /home/user/.cache/paru/clone/llvm-git/src/llvm-project/clang/include/clang/AST/PropertiesBase.td --write-if-changed -o tools/clang/include/clang/AST/AbstractBasicReader.inc -d tools/clang/include/clang/AST/AbstractBasicReader.inc.d
 #0 0x0000611569df3b34 PrintStackTraceSignalHandler(void*) (.lto_priv.0) (/home/user/.cache/paru/clone/llvm-git/src/_build/bin/clang-tblgen+0xe7b34)
 #1 0x0000611569dec49d SignalHandler(int) (/home/user/.cache/paru/clone/llvm-git/src/_build/bin/clang-tblgen+0xe049d)
 #2 0x0000799ded32f1d0 (/usr/lib/libc.so.6+0x3d1d0)
 #3 0x0000611569e05af6 llvm::FieldInit::get(llvm::Init*, llvm::StringInit*) (/home/user/.cache/paru/clone/llvm-git/src/_build/bin/clang-tblgen+0xf9af6)
 #4 0x0000611569e24dfc llvm::TGParser::ParseValue(llvm::Record*, llvm::RecTy const*, llvm::TGParser::IDParseMode) (/home/user/.cache/paru/clone/llvm-git/src/_build/bin/clang-tblgen+0x118dfc)
 #5 0x0000611569e28e8b llvm::TGParser::ParseObjectBody(llvm::Record*) (/home/user/.cache/paru/clone/llvm-git/src/_build/bin/clang-tblgen+0x11ce8b)
 #6 0x0000611569e32777 llvm::TGParser::ParseObject(llvm::MultiClass*) (/home/user/.cache/paru/clone/llvm-git/src/_build/bin/clang-tblgen+0x126777)
 #7 0x0000611569dfd9d5 llvm::TableGenMain(char const*, std::function<bool (llvm::raw_ostream&, llvm::RecordKeeper const&)>) (/home/user/.cache/paru/clone/llvm-git/src/_build/bin/clang-tblgen+0xf19d5)
 #8 0x0000611569d16853 main (/home/user/.cache/paru/clone/llvm-git/src/_build/bin/clang-tblgen+0xa853)
 #9 0x0000799ded317e08 (/usr/lib/libc.so.6+0x25e08)
#10 0x0000799ded317ecc __libc_start_main (/usr/lib/libc.so.6+0x25ecc)
#11 0x0000611569d18855 _start (/home/user/.cache/paru/clone/llvm-git/src/_build/bin/clang-tblgen+0xc855)
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0.      Program arguments: /home/user/.cache/paru/clone/llvm-git/src/_build/bin/clang-tblgen -gen-clang-basic-reader -I /home/user/.cache/paru/clone/llvm-git/src/llvm-project/clang/include/clang/AST -I/home/user/.cache/paru/clone/llvm-git/src/llvm-project/clang/include -I/home/user/.cache/paru/clone/llvm-git/src/_build/tools/clang/include -I/home/user/.cache/paru/clone/llvm-git/src/_build/include -I/home/user/.cache/paru/clone/llvm-git/src/llvm-project/llvm/include /home/user/.cache/paru/clone/llvm-git/src/llvm-project/clang/include/clang/AST/PropertiesBase.td --write-if-changed -o tools/clang/include/clang/AST/AbstractBasicReader.inc -d tools/clang/include/clang/AST/AbstractBasicReader.inc.d

The full log can be found here

[kiwixz]

Same here on latest main.

git bisect points to #107608.

# bad: [47f7daab06e4e83f64a1b268da7ada4f50d50349] [libc][docs] Add glob implementation status doc and include in CMakeLists (#126923)
# good: [6009708b4367171ccdbf4b5905cb6a803753fe18] Revert "[runtimes] Add missing test dependencies to check-all (#72955)"
git bisect start 'main' 'release/17.x'
# good: [d0b54bb50e5110a004b41fc06dadf3fee70834b7] [Clang] use unsigned integer constants in unit-test | fixes build error on ppc64le-lld-multistage-test
git bisect good d0b54bb50e5110a004b41fc06dadf3fee70834b7
# good: [44861c7ac563f9e994305e22f2dca1c4f37265e4] [mlir] [linalg] Check for dim shape to decide unit dim for each operand in dropUnitDims pass. (#93317)
git bisect good 44861c7ac563f9e994305e22f2dca1c4f37265e4
# bad: [6d7712a70c163d2ae9e1dc928db31fcb45d9e404] [clang-tidy][docs] Replace  _not_ in reserved-identifier.rst with *not* (#112162)
git bisect bad 6d7712a70c163d2ae9e1dc928db31fcb45d9e404
# good: [3645ca58f4529bf7d0aefb6e6872f0e9cbe22fa4] [libc] Enable quick_exit routines on the GPU (#102242)
git bisect good 3645ca58f4529bf7d0aefb6e6872f0e9cbe22fa4
# bad: [8cf3eb49a5d9831620b290b9a0686149bd438267] [gn build] Port a409ebc1fc13
git bisect bad 8cf3eb49a5d9831620b290b9a0686149bd438267
# good: [5afd39d6e4df7e1f4f8c6f7bb6e2cda775beed6a] [InstCombine] Add test for op of phi in loop (NFC)
git bisect good 5afd39d6e4df7e1f4f8c6f7bb6e2cda775beed6a
# good: [29c076b8598c9627cea493fdfc1a30c83385e820] [Lint] Fix crash with scalable alloca
git bisect good 29c076b8598c9627cea493fdfc1a30c83385e820
# bad: [9347b66cfcd9acf84dbbd500b6344041c587f6a9] Reland "[AMDGPU] Graph-based Module Splitting Rewrite (#104763)" (#107076)
git bisect bad 9347b66cfcd9acf84dbbd500b6344041c587f6a9
# good: [c1c42518c1356e78a10bf252a4a5a643b2bb9efd] [SandboxVec] Early return checks (#107465)
git bisect good c1c42518c1356e78a10bf252a4a5a643b2bb9efd
# bad: [941841b19d4f8832012f0c6ccd57954917369a3b] [Vectorize] Update comment of getSubdividedVectorType (#107632)
git bisect bad 941841b19d4f8832012f0c6ccd57954917369a3b
# good: [5cf3677a7bcdf5a9e603c054bd40c1282db984a9] [clang] Pass -c to clang in test/Driver/Ofast.c
git bisect good 5cf3677a7bcdf5a9e603c054bd40c1282db984a9
# good: [d4d4e77918118f1444dc5ca230d4fdf82bb05b74] [LLDB] Reappply SBSaveCore AddMemoryList (#107159)
git bisect good d4d4e77918118f1444dc5ca230d4fdf82bb05b74
# good: [0ffa377c6b2583ecb326af8b9084951a106d3881] [ThinLTO] Shrink GlobalValueSummary by 8 bytes (#107342)
git bisect good 0ffa377c6b2583ecb326af8b9084951a106d3881
# bad: [4c1a6a29cce08cd6229a0c5a8b18a8319588d858] [flang][Driver] Support -Qunused-arguments (#107462)
git bisect bad 4c1a6a29cce08cd6229a0c5a8b18a8319588d858
# good: [fb1494137e551448d8742d5e6367bf62e923598d] [clang][rtsan] Add realtime_sanitizer to Features.def (#106650)
git bisect good fb1494137e551448d8742d5e6367bf62e923598d
# bad: [c014db47ca298ad7a0f52a57c3bfc2a9914371b2] [ADT] Remove the const variant of LookupBucketFor in DenseMap (#107608)
git bisect bad c014db47ca298ad7a0f52a57c3bfc2a9914371b2
# good: [59f8796aaabc1ce400a8698431d3c6bfab4ad1a4] Initial changes for llvm shared library build using explicit visibility annotations
git bisect good 59f8796aaabc1ce400a8698431d3c6bfab4ad1a4
# first bad commit: [c014db47ca298ad7a0f52a57c3bfc2a9914371b2] [ADT] Remove the const variant of LookupBucketFor in DenseMap (#107608)

[kiwixz]

It only happens with -O3 (build type Release) and LTO.

(gdb) r
Starting program: /tmp/llvm-project/build/bin/clang-tblgen -gen-clang-attr-classes -I /tmp/llvm-project/clang/include/clang/AST -I/tmp/llvm-project/clang/include -I/tmp/llvm-project/build/tools/clang/include -I/tmp/llvm-project/build/include -I/tmp/llvm-project/llvm/include /tmp/llvm-project/clang/include/clang/AST/../Basic/Attr.td --write-if-changed -o tools/clang/include/clang/AST/Attrs.inc -d tools/clang/include/clang/AST/Attrs.inc.d
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
llvm::DenseMapBase<llvm::DenseMap<std::pair<llvm::Init*, llvm::StringInit*>, llvm::FieldInit*, llvm::DenseMapInfo<std::pair<llvm::Init*, llvm::StringInit*>, void>, llvm::detail::DenseMapPair<std::pair<llvm::Init*, llvm::StringInit*>, llvm::FieldInit*> >, std::pair<llvm::Init*, llvm::StringInit*>, llvm::FieldInit*, llvm::DenseMapInfo<std::pair<llvm::Init*, llvm::StringInit*>, void>, llvm::detail::DenseMapPair<std::pair<llvm::Init*, llvm::StringInit*>, llvm::FieldInit*> >::InsertIntoBucketImpl<std::pair<llvm::Init*, llvm::StringInit*> > (Key=..., TheBucket=<optimized out>, 
    Lookup=..., this=0x55555571b780) at /tmp/llvm-project/llvm/include/llvm/ADT/DenseMap.h:643
643         if (!KeyInfoT::isEqual(TheBucket->getFirst(), EmptyKey))
(gdb) bt
#0  llvm::DenseMapBase<llvm::DenseMap<std::pair<llvm::Init*, llvm::StringInit*>, llvm::FieldInit*, llvm::DenseMapInfo<std::pair<llvm::Init*, llvm::StringInit*>, void>, llvm::detail::DenseMapPair<std::pair<llvm::Init*, llvm::StringInit*>, llvm::FieldInit*> >, std::pair<llvm::Init*, llvm::StringInit*>, llvm::FieldInit*, llvm::DenseMapInfo<std::pair<llvm::Init*, llvm::StringInit*>, void>, llvm::detail::DenseMapPair<std::pair<llvm::Init*, llvm::StringInit*>, llvm::FieldInit*> >::InsertIntoBucketImpl<std::pair<llvm::Init*, llvm::StringInit*> > (Key=..., 
    TheBucket=<optimized out>, Lookup=..., this=0x55555571b780)
    at /tmp/llvm-project/llvm/include/llvm/ADT/DenseMap.h:643
#1  llvm::DenseMapBase<llvm::DenseMap<std::pair<llvm::Init*, llvm::StringInit*>, llvm::FieldInit*, llvm::DenseMapInfo<std::pair<llvm::Init*, llvm::StringInit*>, void>, llvm::detail::DenseMapPair<std::pair<llvm::Init*, llvm::StringInit*>, llvm::FieldInit*> >, std::pair<llvm::Init*, llvm::StringInit*>, llvm::FieldInit*, llvm::DenseMapInfo<std::pair<llvm::Init*, llvm::StringInit*>, void>, llvm::detail::DenseMapPair<std::pair<llvm::Init*, llvm::StringInit*>, llvm::FieldInit*> >::InsertIntoBucket<std::pair<llvm::Init*, llvm::StringInit*>>(llvm::detail::DenseMapPair<std::pair<llvm::Init*, llvm::StringInit*>, llvm::FieldInit*>*, std::pair<llvm::Init*, llvm::StringInit*>&&) (Key=..., 
    TheBucket=<optimized out>, this=0x55555571b780) at /tmp/llvm-project/llvm/include/llvm/ADT/DenseMap.h:593
#2  llvm::DenseMapBase<llvm::DenseMap<std::pair<llvm::Init*, llvm::StringInit*>, llvm::FieldInit*, llvm::DenseMapInfo<std::pair<llvm::Init*, llvm::StringInit*>, void>, llvm::detail::DenseMapPair<std::pair<llvm::Init*, llvm::StringInit*>, llvm::FieldInit*> >, std::pair<llvm::Init*, llvm::StringInit*>, llvm::FieldInit*, llvm::DenseMapInfo<std::pair<llvm::Init*, llvm::StringInit*>, void>, llvm::detail::DenseMapPair<std::pair<llvm::Init*, llvm::StringInit*>, llvm::FieldInit*> >::operator[] (Key=..., this=0x55555571b780) at /tmp/llvm-project/llvm/include/llvm/ADT/DenseMap.h:388
#3  llvm::FieldInit::get (R=0x55555587f070, FN=0x55555587b260)
    at /tmp/llvm-project/llvm/lib/TableGen/Record.cpp:2400
#4  0x000055555566d1f0 in llvm::TGParser::ParseValue (this=this@entry=0x7fffffffd520, 
    CurRec=CurRec@entry=0x5555558800a0, ItemType=ItemType@entry=0x55555586ee70, 
    Mode=Mode@entry=llvm::TGParser::ParseValueMode) at /tmp/llvm-project/llvm/lib/TableGen/TGParser.cpp:2992
#5  0x0000555555668a98 in llvm::TGParser::ParseOperation (this=0x7fffffffd520, CurRec=0x5555558800a0, 
    ItemType=<optimized out>) at /tmp/llvm-project/llvm/lib/TableGen/TGParser.cpp:1572
#6  0x000055555566cecc in llvm::TGParser::ParseSimpleValue (Mode=llvm::TGParser::ParseValueMode, 
    ItemType=0x55555586ee70, CurRec=0x5555558800a0, this=0x7fffffffd520)
    at /tmp/llvm-project/llvm/lib/TableGen/TGParser.cpp:2625
#7  llvm::TGParser::ParseValue (this=0x7fffffffd520, CurRec=0x5555558800a0, ItemType=0x55555586ee70, 
    Mode=llvm::TGParser::ParseValueMode) at /tmp/llvm-project/llvm/lib/TableGen/TGParser.cpp:2896
#8  0x000055555566f5bb in llvm::TGParser::ParseTemplateArgValueList (this=this@entry=0x7fffffffd520, Result=..., 
    CurRec=CurRec@entry=0x5555558800a0, ArgsRec=0x55555587dee0)
    at /tmp/llvm-project/llvm/lib/TableGen/TGParser.cpp:3185
#9  0x000055555566b652 in llvm::TGParser::ParseSubClassReference (this=this@entry=0x7fffffffd520, 
    CurRec=CurRec@entry=0x5555558800a0, isDefm=isDefm@entry=false)
    at /tmp/llvm-project/llvm/lib/TableGen/TGParser.cpp:774
#10 0x0000555555670d31 in llvm::TGParser::ParseObjectBody (this=0x7fffffffd520, CurRec=0x5555558800a0)
    at /tmp/llvm-project/llvm/lib/TableGen/TGParser.cpp:3571
#11 0x0000555555671e20 in llvm::TGParser::ParseDef (CurMultiClass=<optimized out>, this=0x7fffffffd520)
    at /usr/include/c++/13/bits/unique_ptr.h:199
#12 llvm::TGParser::ParseObject (this=0x7fffffffd520, MC=<optimized out>)
    at /tmp/llvm-project/llvm/lib/TableGen/TGParser.cpp:4325
#13 0x000055555564968c in llvm::TGParser::ParseObjectList (MC=0x0, this=0x7fffffffd520)
    at /tmp/llvm-project/llvm/lib/TableGen/TGParser.cpp:4356
#14 llvm::TGParser::ParseFile (this=0x7fffffffd520) at /tmp/llvm-project/llvm/lib/TableGen/TGParser.cpp:4365
#15 llvm::TableGenMain(char const*, std::function<bool (llvm::raw_ostream&, llvm::RecordKeeper&)>) (
    argv0=0x7fffffffe1fd "/tmp/llvm-project/build/bin/clang-tblgen", MainFn=...)
    at /tmp/llvm-project/llvm/lib/TableGen/Main.cpp:125
#16 0x000055555556ba7e in main (argc=<optimized out>, argv=<optimized out>)
    at /tmp/llvm-project/clang/utils/TableGen/TableGen.cpp:595