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[Bug middle-end/32856] Invalid optimization in the face of aliasing
- From: "felix-gcc at fefe dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 22 Jul 2007 23:08:39 -0000
- Subject: [Bug middle-end/32856] Invalid optimization in the face of aliasing
- References: <bug-32856-3511@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from felix-gcc at fefe dot de 2007-07-22 23:08 -------
Falk:
union {
struct {
void* unused;
struct node n;
} a;
struct node b;
} u;
Then &u.a.n.next == &u.b.n.prev;
Artificial? Sure. But legal.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32856