https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68303
--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> --- But it doesn't make a huge difference and iteration is still much faster for <= 17 elements: | GCC 9 | | GCC 10 | | 10 wrapped | 0=0.696880 0=0.700247 0=0.110166 1=0.705601 1=0.676875 1=0.177209 2=1.006746 2=0.728425 2=0.228726 3=0.920503 3=0.778136 3=0.379848 4=1.044559 4=0.830860 4=0.378648 5=1.205183 5=0.882847 5=0.330908 6=0.950419 6=0.930731 6=0.363111 7=1.004634 7=1.001264 7=0.359892 8=1.070675 8=1.030736 8=0.368559 9=1.117331 9=1.100524 9=0.408855 10=1.192385 10=1.138487 10=0.424364 11=1.409491 11=1.181265 11=0.481035 12=0.958946 12=1.231175 12=0.517279 13=0.987015 13=1.328534 13=0.579356 14=1.024184 14=0.970562 14=0.629750 15=1.049774 15=0.991556 15=0.703401 16=1.082365 16=1.017649 16=0.754023 17=1.098181 17=1.037775 17=0.878584 18=1.127022 18=1.060267 18=1.137607 19=1.233192 19=1.085448 19=1.193701 20=1.215447 20=1.104254 20=1.001146 21=1.257106 21=1.128671 21=1.169435 22=1.278363 22=1.149634 22=1.185851 23=1.320331 23=1.171409 23=1.206449 24=0.988053 24=1.194045 24=1.229551 25=1.002762 25=1.218135 25=1.253025 26=1.006531 26=1.239955 26=1.276393 27=1.013021 27=1.263612 27=1.296041 28=1.027757 28=1.286184 28=1.360461 29=1.035280 29=1.308196 29=1.355412 30=1.055340 30=0.996437 30=1.040220
