On Thu, 7 Nov 2013, Mingjie Xing wrote: > 2013/11/6 Richard Biener <richard.guent...@gmail.com>: > > You miss a testcase. > > > > Also why should the warning be omitted for unused automatic > > volatile variables? They cannot be used in any way. > > > > Richard. > > Thanks. I've updated the patch with a test case.
You don't seem to have answered Richard's question about why the change is desirable in the first place. -- Joseph S. Myers jos...@codesourcery.com