[Bug middle-end/21305] flag_delete_null_pointer_checks is target specific

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21305

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |INVALID

--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-01-11 
13:13:29 UTC ---
6.5.3.2/4 says that the behavior unary * operator is undefined if the
pointer is a null pointer.  For QOI reasons several targets / frontends have
-fdelete-null-pointer-checks disabled.