------- Comment #18 from rakdver at gcc dot gnu dot org 2009-02-12 19:58 ------- > It "works" once you change the loop exit condition to i < i1. Same effects > with unsigned variables (adjust the lower bound to sth like 2 to avoid ill > effects).
There is nothing to fix if unsigned variables are used, as the inner loop may be infinite in that case. For the signed case, we can use the fact that i cannot wrap (with flag_strict_overflow), but there are some complications (see PR25985). -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26939
