On 15 April 2010 18:53, Manuel López-Ibáñez <lopezibanez@xxxxxxxxx> wrote: > On 15 April 2010 18:24, Martin Olsson <martin@xxxxxxxxxx> wrote: >> >> 1. Why is this a "warning" rather than an "error"? When I run the program >> it hits a "ud2a" instruction emitted by gcc and promptly hits SIGILL. > > See the discussion in http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19291 > > Basically, the C++ standard seems to say that this cannot be a hard-error. Actually, in this case, GCC 4.5 does not warn and it doesn't abort. For the PR testcase, we now give a hard error. Cheers, Manuel.
