1*ea9e47d5SPuneeth A Rfirst_function,opt-level=O1 2*ea9e47d5SPuneeth A Rsecond_function,cold 3*ea9e47d5SPuneeth A Rthird_function,opt-level=O1 4*ea9e47d5SPuneeth A Rfourth_function,opt-level=O2 5*ea9e47d5SPuneeth A Rfifth_function,foo=bar 6