Revert "[ORC] Add a shared-memory based orc::MemoryMapper."
This reverts commit
5acd471698849d9e322a29e6ca08791e8d447b7b.
Breaks shared library build with:
ld.lld-12: error: undefined symbol: shm_open
>>> referenced by ExecutorSharedMemoryMapperService.cpp:68
(/home/culrho01/llvm-project/llvm/lib/ExecutionEngine/Orc/TargetProcess/ExecutorSharedMemoryMapperService.cpp:68)
>>>
lib/ExecutionEngine/Orc/TargetProcess/CMakeFiles/LLVMOrcTargetProcess.dir/ExecutorSharedMemoryMapperService.cpp.o:(llvm::orc::rt_bootstrap::ExecutorSharedMemoryMapperService::reserve[abi:cxx11](unsigned
long))
>>> did you mean: sem_open
>>> defined in:
/usr/bin/../lib/gcc/aarch64-linux-gnu/9/../../../aarch64-linux-gnu/libpthread.so