On Mon, Mar 4, 2013 at 10:17 PM, Jakub Jelinek wrote: > Hi! > > Something that again hits lots of testcases during valgrind checking > bootstrap. init_alias_analysis apparently does > vec_safe_grow_cleared (reg_known_value, maxreg - FIRST_PSEUDO_REGISTER); > reg_known_equiv_p = sbitmap_alloc (maxreg - FIRST_PSEUDO_REGISTER); > but doesn't bitmap_clear (reg_known_equiv_p), perhaps as an optimization?
No, an incorrect replacement with sbitmap. We used to have: reg_known_equiv_p = XCNEWVEC (bool, reg_known_value_size); I'm probably to blame for this one, actually :-) Ciao! Steven
