This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug middle-end/61571] bad aliasing --> wrong FRE
- From: "xinliangli at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 23 Jun 2014 16:11:57 +0000
- Subject: [Bug middle-end/61571] bad aliasing --> wrong FRE
- Auto-submitted: auto-generated
- References: <bug-61571-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61571
--- Comment #5 from davidxl <xinliangli at gmail dot com> ---
Thanks for the analysis. I agree it is invalid to use -fstrict-aliasing for
the code.
The implementation tries to save some space in __list_impl class by making the
sentinel marker __end_ to be just __list_node_base, but it is linked with other
__list_node type objects.
David