Rate return FALSE; implicit FALSE return 1==0; implicit return; implicit 1==0
return FALSE;   18281536/s            --           -31%         -54%     -63%    -80%          -92%
implicit FALSE  26666667/s           46%             --         -33%     -46%    -71%          -88%
return 1==0;    40000000/s          119%            50%           --     -19%    -56%          -82%
implicit        49261084/s          169%            85%          23%       --    -46%          -77%
return;         91743119/s          402%           244%         129%      86%      --          -58%
implicit 1==0  217391304/s         1089%           715%         443%     341%    137%            --