On Sat, Mar 2, 2013 at 9:28 AM, Jeff Hammond <jhammond@alcf.anl.gov> wrote:

I compile apps with -pedantic when I want to be absolutely certainly
that a non-standard language usage is causing an error.

That is not what -pedantic means on any compiler that I'm aware of. It is stricter, but far from an assertion that the code is complaint.