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From: "ppluzhnikov at google dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/53220] [4.7/4.8 Regression] g++ mis-compiles compound literals Date: Tue, 22 May 2012 18:05:00 -0000 [thread overview] Message-ID: <bug-53220-4-Wk2MkBr0u7@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-53220-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53220 --- Comment #13 from Paul Pluzhnikov <ppluzhnikov at google dot com> 2012-05-22 17:49:24 UTC --- (In reply to comment #12) > So yes, what remains for this bug is to complain about undefined behavior due > to accessing the value of an object after its lifetime has ended. The documentation here: http://gcc.gnu.org/onlinedocs/gcc/Compound-Literals.html sould probably be updated to mention that the "You can also construct an array" part only works in C, and leads to undefined behavior in C++. --- Comment #14 from Paul Pluzhnikov <ppluzhnikov at google dot com> 2012-05-22 17:50:07 UTC --- (In reply to comment #12) > So yes, what remains for this bug is to complain about undefined behavior due > to accessing the value of an object after its lifetime has ended. The documentation here: http://gcc.gnu.org/onlinedocs/gcc/Compound-Literals.html should probably be updated to mention that the "You can also construct an array" part only works in C, and leads to undefined behavior in C++.
next prev parent reply other threads:[~2012-05-22 17:50 UTC|newest] Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-05-03 19:50 [Bug c++/53220] New: " ppluzhnikov at google dot com 2012-05-03 19:53 ` [Bug c++/53220] " ppluzhnikov at google dot com 2012-05-03 22:38 ` [Bug c++/53220] [4.7/4.8 Regression] " hjl.tools at gmail dot com 2012-05-04 9:03 ` rguenth at gcc dot gnu.org 2012-05-04 18:53 ` xinliangli at gmail dot com 2012-05-07 14:33 ` jason at gcc dot gnu.org 2012-05-07 16:25 ` xinliangli at gmail dot com 2012-05-07 16:55 ` ppluzhnikov at google dot com 2012-05-07 17:18 ` xinliangli at gmail dot com 2012-05-07 17:55 ` jason at gcc dot gnu.org 2012-05-08 0:34 ` xinliangli at gmail dot com 2012-05-08 2:22 ` jason at gcc dot gnu.org 2012-05-17 0:13 ` ppluzhnikov at google dot com 2012-05-22 17:42 ` jason at gcc dot gnu.org 2012-05-22 17:50 ` ppluzhnikov at google dot com 2012-05-22 18:05 ` ppluzhnikov at google dot com [this message] 2012-05-26 21:20 ` jason at gcc dot gnu.org 2012-05-30 14:52 ` jason at gcc dot gnu.org 2012-06-03 4:50 ` jason at gcc dot gnu.org 2012-06-20 1:59 ` ppluzhnikov at google dot com 2012-06-20 7:20 ` jason at gcc dot gnu.org 2013-05-01 9:54 ` superaxioma at hotmail dot com 2013-05-01 19:13 ` jason at gcc dot gnu.org 2023-11-28 21:29 ` cvs-commit at gcc dot gnu.org
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