llvm dev - Sep 2019 - Errors when trying to compile LLVM 9.0.0 under Slackware Linux

Hello everyone,
I'm trying to compile LLVM 9.0.0 under Slackware Linux-current x86_64
using LLVM/Clang 8.0.1 but I get errors.
Build script:
http://slackware.osuosl.org/slackware64-current/source/d/llvm/llvm.SlackBuild
Patches:
http://slackware.osuosl.org/slackware-current/source/d/llvm/clang-tools-extra.no.clangd.diff.gz
http://slackware.osuosl.org/slackware-current/source/d/llvm/clang.toolchains.i586.triple.diff.gz
http://slackware.osuosl.org/slackware-current/source/d/llvm/n_clang_allow_BUILD_SHARED_LIBRARY.patch.gz
Sources used:
http://releases.llvm.org/9.0.0/llvm-9.0.0.src.tar.xz
http://releases.llvm.org/9.0.0/cfe-9.0.0.src.tar.xz
http://releases.llvm.org/9.0.0/compiler-rt-9.0.0.src.tar.xz
http://releases.llvm.org/9.0.0/libcxx-9.0.0.src.tar.xz
http://releases.llvm.org/9.0.0/libcxxabi-9.0.0.src.tar.xz
http://releases.llvm.org/9.0.0/lld-9.0.0.src.tar.xz
http://releases.llvm.org/9.0.0/lldb-9.0.0.src.tar.xz
http://releases.llvm.org/9.0.0/openmp-9.0.0.src.tar.xz
http://releases.llvm.org/9.0.0/clang-tools-extra-9.0.0.src.tar.xz

I get the following errors and the compilation restarts every time:
In file included from
/tmp/llvm-9.0.0.src/lib/ExecutionEngine/OProfileJIT/OProfileJITEventListener.cpp:15:
In file included from
/tmp/llvm-9.0.0.src/include/llvm/CodeGen/MachineFunction.h:30:
In file included from
/tmp/llvm-9.0.0.src/include/llvm/CodeGen/MachineBasicBlock.h:21:
In file included from
/tmp/llvm-9.0.0.src/include/llvm/CodeGen/MachineInstr.h:23:
In file included from
/tmp/llvm-9.0.0.src/include/llvm/Analysis/AliasAnalysis.h:44:
In file included from
/tmp/llvm-9.0.0.src/include/llvm/Analysis/MemoryLocation.h:20:
In file included from /tmp/llvm-9.0.0.src/include/llvm/IR/Instructions.h:31:
/tmp/llvm-9.0.0.src/include/llvm/IR/Function.h:569:59: error: no member
named 'NoFree' in 'llvm::Attribute'
    return onlyReadsMemory() || hasFnAttribute(Attribute::NoFree);
                                               ~~~~~~~~~~~^
/tmp/llvm-9.0.0.src/include/llvm/IR/Function.h:572:26: error: no member
named 'NoFree' in 'llvm::Attribute'
    addFnAttr(Attribute::NoFree);
              ~~~~~~~~~~~^
[  4%] Linking CXX static library ../../../lib64/libLLVMSymbolize.a
[  4%] Built target LLVMSymbolize
[  4%] Building CXX object
lib/ExecutionEngine/OProfileJIT/CMakeFiles/LLVMOProfileJIT.dir/OProfileWrapper.cpp.o
[  4%] Building CXX object
lib/DebugInfo/PDB/CMakeFiles/LLVMDebugInfoPDB.dir/Native/DbiModuleList.cpp.o
[  4%] Building CXX object
lib/DebugInfo/PDB/CMakeFiles/LLVMDebugInfoPDB.dir/Native/DbiStream.cpp.o
/tmp/llvm-9.0.0.src/lib/ExecutionEngine/OProfileJIT/OProfileJITEventListener.cpp:115:65:
error: no viable conversion from 'uint64_t' (aka 'unsigned
long') to
      'object::SectionedAddress'
    DILineInfoTable Lines = Context->getLineInfoForAddressRange(Addr, Size);
                                                                ^~~~
/tmp/llvm-9.0.0.src/include/llvm/Object/ObjectFile.h:139:8: note:
candidate constructor (the implicit copy constructor) not viable: no
known conversion from
      'uint64_t' (aka 'unsigned long') to 'const
llvm::object::SectionedAddress &' for 1st argument
struct SectionedAddress {
       ^
/tmp/llvm-9.0.0.src/include/llvm/Object/ObjectFile.h:139:8: note:
candidate constructor (the implicit move constructor) not viable: no
known conversion from
      'uint64_t' (aka 'unsigned long') to
'llvm::object::SectionedAddress &&' for 1st argument
/tmp/llvm-9.0.0.src/include/llvm/DebugInfo/DIContext.h:223:32: note:
passing argument to parameter 'Address' here
      object::SectionedAddress Address, uint64_t Size,
                               ^
[  4%] Building CXX object
lib/DebugInfo/PDB/CMakeFiles/LLVMDebugInfoPDB.dir/Native/DbiStreamBuilder.cpp.o
3 errors generated.

How do I fix these errors?
Sincerely,
Mats Tegner