https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69719
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- It's a broken runtime alias check. Probably no longer latent since 2015-11-10 James Greenhalgh <[email protected]> Partial backport from trunk r228751. PR tree-optimization/68238 2015-10-13 Richard Biener <[email protected]> * tree-vect-loop.c (vect_estimate_min_profitable_iters): Use LOOP_VINFO_COMP_ALIAS_DDRS to estimate alias versioning cost. on the branch.
