llvm dev - Mar 2021 - Unable to build Python TOT with Clang TOT

Hi,
I am trying to build python tot (https://github.com/python/cpython) using
clang tot (https://github.com/llvm/llvm-project) but ran into the following
issue. The same happens for 12.x release branch. Does not happen for 11.x.

Let me know if you need more information

Platform:

clang version 13.0.0 (https://github.com/adityaatluri/llvm-project.git
ecdae5df7da03c56d72796c0b1629edd0995548e)

Target: x86_64-apple-darwin20.3.0

Thread model: posix

InstalledDir: /Users/aditya/.local/llvm13_x86_64/bin

I am getting the following error:

clang -dynamiclib -Wl,-single_module   -flto -Wl,-export_dynamic -g
-fprofile-instr-generate -undefined dynamic_lookup
-Wl,-install_name,/Users/aditya/.local/Python3.10.0a6/lib/libpython3.10.dylib
-Wl,-compatibility_version,3.10 -Wl,-current_version,3.10 -o
libpython3.10.dylib Modules/getbuildinfo.o Parser/token.o  Parser/pegen.o
Parser/parser.o Parser/string_parser.o Parser/peg_api.o Parser/myreadline.o
Parser/tokenizer.o Objects/abstract.o Objects/accu.o Objects/boolobject.o
Objects/bytes_methods.o Objects/bytearrayobject.o Objects/bytesobject.o
Objects/call.o Objects/capsule.o Objects/cellobject.o Objects/classobject.o
Objects/codeobject.o Objects/complexobject.o Objects/descrobject.o
Objects/enumobject.o Objects/exceptions.o Objects/genericaliasobject.o
Objects/genobject.o Objects/fileobject.o Objects/floatobject.o
Objects/frameobject.o Objects/funcobject.o Objects/interpreteridobject.o
Objects/iterobject.o Objects/listobject.o Objects/longobject.o
Objects/dictobject.o Objects/odictobject.o Objects/memoryobject.o
Objects/methodobject.o Objects/moduleobject.o Objects/namespaceobject.o
Objects/object.o Objects/obmalloc.o Objects/picklebufobject.o
Objects/rangeobject.o Objects/setobject.o Objects/sliceobject.o
Objects/structseq.o Objects/tupleobject.o Objects/typeobject.o
Objects/unicodeobject.o Objects/unicodectype.o Objects/unionobject.o
Objects/weakrefobject.o Python/_warnings.o Python/Python-ast.o
Python/asdl.o Python/ast.o Python/ast_opt.o Python/ast_unparse.o
Python/bltinmodule.o Python/ceval.o Python/codecs.o Python/compile.o
Python/context.o Python/dynamic_annotations.o Python/errors.o
Python/frozenmain.o Python/future.o Python/getargs.o Python/getcompiler.o
Python/getcopyright.o Python/getplatform.o Python/getversion.o
Python/hamt.o Python/hashtable.o Python/import.o Python/importdl.o
Python/initconfig.o Python/marshal.o Python/modsupport.o
Python/mysnprintf.o Python/mystrtoul.o Python/pathconfig.o
Python/preconfig.o Python/pyarena.o Python/pyctype.o Python/pyfpe.o
Python/pyhash.o Python/pylifecycle.o Python/pymath.o Python/pystate.o
Python/pythonrun.o Python/pytime.o Python/bootstrap_hash.o
Python/structmember.o Python/symtable.o Python/sysmodule.o Python/thread.o
Python/traceback.o Python/getopt.o Python/pystrcmp.o Python/pystrtod.o
Python/pystrhex.o Python/dtoa.o Python/formatter_unicode.o
Python/fileutils.o Python/dynload_shlib.o    Modules/config.o
Modules/getpath.o Modules/main.o Modules/gcmodule.o Modules/posixmodule.o
Modules/errnomodule.o  Modules/pwdmodule.o  Modules/_sre.o
Modules/_codecsmodule.o  Modules/_weakref.o  Modules/_functoolsmodule.o
Modules/_operator.o  Modules/_collectionsmodule.o  Modules/_abc.o
Modules/itertoolsmodule.o  Modules/atexitmodule.o  Modules/signalmodule.o
Modules/_stat.o  Modules/timemodule.o  Modules/_threadmodule.o
Modules/_localemodule.o  Modules/_iomodule.o Modules/iobase.o
Modules/fileio.o Modules/bytesio.o Modules/bufferedio.o Modules/textio.o
Modules/stringio.o  Modules/faulthandler.o  Modules/_tracemalloc.o
Modules/symtablemodule.o  Modules/xxsubtype.o Python/frozen.o  -ldl
-framework
CoreFoundation -v

clang version 13.0.0 (https://github.com/adityaatluri/llvm-project.git
ecdae5df7da03c56d72796c0b1629edd0995548e)

Target: x86_64-apple-darwin20.3.0

Thread model: posix

InstalledDir: /Users/aditya/.local/llvm13_x86_64/bin

 "/usr/bin/ld"
/Users/aditya/.local/llvm13_x86_64/lib/clang/13.0.0/lib/darwin/libclang_rt.profile_osx.a
-demangle -lto_library /Users/aditya/.local/llvm13_x86_64/lib/libLTO.dylib
-dynamic -dylib -arch x86_64 -platform_version macos 11.0.0 11.1
-syslibroot
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk
-undefined dynamic_lookup -undefined dynamic_lookup -o libpython3.10.dylib
-single_module -export_dynamic -install_name
/Users/aditya/.local/Python3.10.0a6/lib/libpython3.10.dylib
-compatibility_version 3.10 -current_version 3.10 Modules/getbuildinfo.o
Parser/token.o Parser/pegen.o Parser/parser.o Parser/string_parser.o
Parser/peg_api.o Parser/myreadline.o Parser/tokenizer.o Objects/abstract.o
Objects/accu.o Objects/boolobject.o Objects/bytes_methods.o
Objects/bytearrayobject.o Objects/bytesobject.o Objects/call.o
Objects/capsule.o Objects/cellobject.o Objects/classobject.o
Objects/codeobject.o Objects/complexobject.o Objects/descrobject.o
Objects/enumobject.o Objects/exceptions.o Objects/genericaliasobject.o
Objects/genobject.o Objects/fileobject.o Objects/floatobject.o
Objects/frameobject.o Objects/funcobject.o Objects/interpreteridobject.o
Objects/iterobject.o Objects/listobject.o Objects/longobject.o
Objects/dictobject.o Objects/odictobject.o Objects/memoryobject.o
Objects/methodobject.o Objects/moduleobject.o Objects/namespaceobject.o
Objects/object.o Objects/obmalloc.o Objects/picklebufobject.o
Objects/rangeobject.o Objects/setobject.o Objects/sliceobject.o
Objects/structseq.o Objects/tupleobject.o Objects/typeobject.o
Objects/unicodeobject.o Objects/unicodectype.o Objects/unionobject.o
Objects/weakrefobject.o Python/_warnings.o Python/Python-ast.o
Python/asdl.o Python/ast.o Python/ast_opt.o Python/ast_unparse.o
Python/bltinmodule.o Python/ceval.o Python/codecs.o Python/compile.o
Python/context.o Python/dynamic_annotations.o Python/errors.o
Python/frozenmain.o Python/future.o Python/getargs.o Python/getcompiler.o
Python/getcopyright.o Python/getplatform.o Python/getversion.o
Python/hamt.o Python/hashtable.o Python/import.o Python/importdl.o
Python/initconfig.o Python/marshal.o Python/modsupport.o
Python/mysnprintf.o Python/mystrtoul.o Python/pathconfig.o
Python/preconfig.o Python/pyarena.o Python/pyctype.o Python/pyfpe.o
Python/pyhash.o Python/pylifecycle.o Python/pymath.o Python/pystate.o
Python/pythonrun.o Python/pytime.o Python/bootstrap_hash.o
Python/structmember.o Python/symtable.o Python/sysmodule.o Python/thread.o
Python/traceback.o Python/getopt.o Python/pystrcmp.o Python/pystrtod.o
Python/pystrhex.o Python/dtoa.o Python/formatter_unicode.o
Python/fileutils.o Python/dynload_shlib.o Modules/config.o
Modules/getpath.o Modules/main.o Modules/gcmodule.o Modules/posixmodule.o
Modules/errnomodule.o Modules/pwdmodule.o Modules/_sre.o
Modules/_codecsmodule.o Modules/_weakref.o Modules/_functoolsmodule.o
Modules/_operator.o Modules/_collectionsmodule.o Modules/_abc.o
Modules/itertoolsmodule.o Modules/atexitmodule.o Modules/signalmodule.o
Modules/_stat.o Modules/timemodule.o Modules/_threadmodule.o
Modules/_localemodule.o Modules/_iomodule.o Modules/iobase.o
Modules/fileio.o Modules/bytesio.o Modules/bufferedio.o Modules/textio.o
Modules/stringio.o Modules/faulthandler.o Modules/_tracemalloc.o
Modules/symtablemodule.o Modules/xxsubtype.o Python/frozen.o -ldl
-framework CoreFoundation -sectalign __DATA __llvm_prf_cnts 0x4000
-sectalign __DATA __llvm_prf_data 0x4000 -lSystem
/Users/aditya/.local/llvm13_x86_64/lib/clang/13.0.0/lib/darwin/libclang_rt.osx.a







Assertion failed: (It->second == &Insn && "Cached first
special instruction
is wrong!"), function validate, file
/Users/aditya/Code/github/src/llvm-project/llvm/lib/Analysis/InstructionPrecedenceTracking.cpp,
line 87.

clang-13: *error: **unable to execute command: Abort trap: 6*

clang-13: *error: **linker command failed due to signal (use -v to see
invocation)*
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Hi,
> On Mar 5, 2021, at 02:25, Aditya Atluri via llvm-dev <llvm-dev at
lists.llvm.org> wrote:
> 
> Hi,
> I am trying to build python tot (https://github.com/python/cpython
<https://github.com/python/cpython>) using clang tot
(https://github.com/llvm/llvm-project
<https://github.com/llvm/llvm-project>) but ran into the following issue.
The same happens for 12.x release branch. Does not happen for 11.x.
> 
Thanks, this should not happen.
> Let me know if you need more information
It would be great if you could provide information on how to reproduce the
issue, ideally on https://bugs.llvm.org <https://bugs.llvm.org/>

Cheers,
Florian

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