Richard Guenther wrote: > On Tue, Jun 17, 2008 at 11:33 AM, Andi Kleen <[EMAIL PROTECTED]> wrote: >> David Kastrup <[EMAIL PROTECTED]> writes: >>> However, the problem is obviously not restricted to Emacs. If the >>> "noreturn" attribute for the internal abort were removed, at least only >>> abort calls with compatible stack frame and the same (tentative) >>> followup code would get folded. That would avoid the worst >>> head-scratchers when trying to figure out what went wrong. >> Without noreturn gcc wouldn't know there is no return needed after >> the abort(). Disabling cross jumping would be probably better. >> I know of a couple of more cases where such an attribute would >> be useful. > > You can also build with -fno-builtin-abort.
But it would still cross jump the call then wouldn't it? -Andi
