* Jeff Law: > On 09/18/2016 12:23 PM, Martin Sebor wrote: >> On 09/17/2016 11:08 AM, Florian Weimer wrote: >>> For warnings issued by the optimizers, is there a way to get the name >>> of the pass which runs when the warning is generated? >> >> I don't know of an easy or reliable way other than to grep the source >> code for the text of warning (or its substrings when it's split across >> multiple lines). > Correct. There's currently no way to know if a warning comes from the > FE or any particular pass in the pipeline. I believe everyone greps > for the warning in the sources to figure that out. This doesn't really work for overflow warnings from fold, though. (If they still exist, I haven't had to investigate one of those with current GCC versions.)
