ninja: Entering directory `out/gn'
[1/1582] COPY ../../clang/lib/Headers/ptrauth.h lib/clang/22/include/ptrauth.h
[2/1582] CXX obj/llvm/utils/TableGen/llvm-tblgen.DecoderEmitter.o
FAILED: obj/llvm/utils/TableGen/llvm-tblgen.DecoderEmitter.o 
../../chromeclang/bin/clang++ -MMD -MF obj/llvm/utils/TableGen/llvm-tblgen.DecoderEmitter.o.d -o obj/llvm/utils/TableGen/llvm-tblgen.DecoderEmitter.o -c ../../llvm/utils/TableGen/DecoderEmitter.cpp  -I../../llvm/utils/TableGen -I../../llvm/include -Igen/llvm/include -arch arm64 -isysroot ../../sysroot/MacOSX.sdk -mmacos-version-min=12 -mmacos-version-min=12 -O3 -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wdelete-non-virtual-dtor -Wstring-conversion -no-canonical-prefixes -Werror=date-time -isysroot ../../sysroot/MacOSX.sdk -Wpoison-system-directories -fPIC -Wcovered-switch-default -std=c++17 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti
In file included from ../../llvm/utils/TableGen/DecoderEmitter.cpp:14:
In file included from ../../llvm/utils/TableGen/Common/CodeGenHwModes.h:20:
../../sysroot/MacOSX.sdk/usr/include/c++/v1/vector:1470:19: error: object of type 'llvm::const_set_bits_iterator_impl<llvm::SmallBitVector>' cannot be assigned because its copy assignment operator is implicitly deleted
            __mid =  __first;
                  ^
../../llvm/utils/TableGen/DecoderEmitter.cpp:2404:13: note: in instantiation of function template specialization 'std::vector<unsigned int>::assign<llvm::const_set_bits_iterator_impl<llvm::SmallBitVector>>' requested here
  HwModeIDs.assign(BV.set_bits_begin(), BV.set_bits_end());
            ^
../../llvm/include/llvm/ADT/BitVector.h:35:21: note: copy assignment operator of 'const_set_bits_iterator_impl<llvm::SmallBitVector>' is implicitly deleted because field 'Parent' is of reference type 'const llvm::SmallBitVector &'
  const BitVectorT &Parent;
                    ^
1 error generated.
[3/1582] CXX obj/clang/lib/Lex/Lex.PPMacroExpansion.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.