On Wed, Jun 20, 2018 at 10:58:01PM -0700, Brent Laabs wrote: : -c does compile time warnings, not runtime warnings. You can't make : runtime warnings appear at compile time without using a BEGIN block.
That's perhaps a bit oversimplified, since in this case the warning is coming out of the optimizer, which is post parser, but pre-runtime. We could conceivably stop the -c after the optimizer is run. Larry