http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57200
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> 2013-05-08 08:44:56 UTC --- (In reply to comment #1) > This issue is easy, isn't it? Something like: > > Index: tree-ssa-loop-niter.c > =================================================================== > --- tree-ssa-loop-niter.c (revision 198676) > +++ tree-ssa-loop-niter.c (working copy) > @@ -2553,10 +2553,11 @@ do_warn_aggressive_loop_optimizations (struct loop > return; > > gimple estmt = last_stmt (e->src); > - warning_at (gimple_location (stmt), OPT_Waggressive_loop_optimizations, > - "iteration %E invokes undefined behavior", > - double_int_to_tree (TREE_TYPE (loop->nb_iterations), i_bound)); > - inform (gimple_location (estmt), "containing loop"); > + if (warning_at (gimple_location (stmt), OPT_Waggressive_loop_optimizations, > + "iteration %E invokes undefined behavior", > + double_int_to_tree (TREE_TYPE (loop->nb_iterations), > + i_bound))) > + inform (gimple_location (estmt), "containing loop"); > loop->warned_aggressive_loop_optimizations = true; > } Yes, approved.
