Function LLVMOrcCreateLazyCompileCallback 

pub unsafe extern "C" fn LLVMOrcCreateLazyCompileCallback(
    JITStack: LLVMOrcJITStackRef,
    RetAddr: *mut LLVMOrcTargetAddress,
    Callback: LLVMOrcLazyCompileCallbackFn,
    CallbackCtx: *mut c_void,
) -> LLVMErrorRef

Create a lazy compile callback.