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[Bug middle-end/21305] flag_delete_null_pointer_checks is target specific
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 11 Jan 2012 13:13:29 +0000
- Subject: [Bug middle-end/21305] flag_delete_null_pointer_checks is target specific
- Auto-submitted: auto-generated
- References: <bug-21305-4@http.gcc.gnu.org/bugzilla/>
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.