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From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/41874] Incorrect "dereferencing type-punned pointer will break strict-aliasing rules" warning Date: Fri, 06 Nov 2009 09:09:00 -0000 [thread overview] Message-ID: <20091106090942.26064.qmail@sourceware.org> (raw) In-Reply-To: <bug-41874-13604@http.gcc.gnu.org/bugzilla/> ------- Comment #1 from pinskia at gcc dot gnu dot org 2009-11-06 09:09 ------- 4.5 also fails and I cannot figure why if I do: #include <new> struct APInt { int i; }; int main() { APInt I; void *d; char Data[sizeof(APInt)]; new((void*)Data)APInt(); d = Data; *(APInt*)d = I; } GCC does not warn. -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rguenth at gcc dot gnu dot | |org Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Known to fail| |4.5.0 Last reconfirmed|0000-00-00 00:00:00 |2009-11-06 09:09:42 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41874
next prev parent reply other threads:[~2009-11-06 9:09 UTC|newest] Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top 2009-10-30 1:32 [Bug c++/41874] New: " jyasskin at gmail dot com 2009-11-06 9:09 ` pinskia at gcc dot gnu dot org [this message] 2009-11-06 9:16 ` [Bug c++/41874] " rguenther at suse dot de 2009-11-06 9:19 ` pinskia at gcc dot gnu dot org 2009-11-06 9:20 ` rguenth at gcc dot gnu dot org 2010-01-31 9:38 ` fw at deneb dot enyo dot de 2010-01-31 11:18 ` rguenth at gcc dot gnu dot org [not found] <bug-41874-4@http.gcc.gnu.org/bugzilla/> 2010-10-05 0:11 ` muravev at yandex dot ru 2010-10-05 4:49 ` fw at gcc dot gnu.org 2010-10-06 19:44 ` muravev at yandex dot ru 2010-10-06 20:57 ` rguenther at suse dot de 2012-10-15 9:27 ` paolo.carlini at oracle dot com 2012-10-15 9:45 ` rguenth at gcc dot gnu.org 2022-01-08 10:49 ` pinskia at gcc dot gnu.org 2022-12-03 22:03 ` jason at gcc dot gnu.org
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