Function hipGraphInstantiateWithFlags 

pub unsafe extern "C" fn hipGraphInstantiateWithFlags(
    pGraphExec: *mut hipGraphExec_t,
    graph: hipGraph_t,
    flags: c_ulonglong,
) -> hipError_t

@brief Creates an executable graph from a graph.

@param [out] pGraphExec - Pointer to instantiated executable graph. @param [in] graph - Instance of graph to instantiate. @param [in] flags - Flags to control instantiation. @returns #hipSuccess, #hipErrorInvalidValue

@warning This API does not support any of flag and is behaving as hipGraphInstantiate.