http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57200
Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2013-05-07
Target Milestone|--- |4.9.0
Summary|[4.8/4.9] |[4.8/4.9 Regression]
|aggressive-loop-optimizatio |aggressive-loop-optimizatio
|ns notes appear even when |ns notes appear even when
|warning itself is |warning itself is
|suppressed |suppressed
Ever Confirmed|0 |1
--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2013-05-07
23:08:40 UTC ---
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;
}
