AddressSpaceInfoManager: keep track of erased values, delete later (in destructor)
AddressSpaceInfoManager: keep track of erased values, delete later (in destructor)

toaarnio/llvm-ir-memprotect,toaarnio/llvm-ir-memprotect,toaarnio/llvm-ir-memprotect,toaarnio/llvm-ir-memprotect