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* [Bug c++/55020] New: 4.7.2 allow array init wih non-const argument @ 2012-10-22 12:28 marktbremen45 at gmail dot com 2012-10-22 12:34 ` [Bug c++/55020] " redi at gcc dot gnu.org ` (2 more replies) 0 siblings, 3 replies; 4+ messages in thread From: marktbremen45 at gmail dot com @ 2012-10-22 12:28 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55020 Bug #: 55020 Summary: 4.7.2 allow array init wih non-const argument Classification: Unclassified Product: gcc Version: unknown Status: UNCONFIRMED Severity: minor Priority: P3 Component: c++ AssignedTo: unassigned@gcc.gnu.org ReportedBy: marktbremen45@gmail.com Created attachment 28506 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28506 g++ -v --version > e.lis 2>&1 int main() { int sz = 13; // not a constant expression int arr[sz]; // should not compile, but does so } compiles, but should not. Array even works at runtime with int arg; cin >> arg; int arr[arg]; ! System: Suse Linux 12.2 g++ -v yields: " Es werden eingebaute Spezifikationen verwendet. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/i686-pc-linux-gnu/4.7.2/lto-wrapper Ziel: i686-pc-linux-gnu Konfiguriert mit: ../gcc-4.7.2/configure --enable-languages=c++ Thread-Modell: posix gcc-Version 4.7.2 (GCC) " g++ -v --version : see attachment: ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c++/55020] 4.7.2 allow array init wih non-const argument 2012-10-22 12:28 [Bug c++/55020] New: 4.7.2 allow array init wih non-const argument marktbremen45 at gmail dot com @ 2012-10-22 12:34 ` redi at gcc dot gnu.org 2012-10-22 12:36 ` redi at gcc dot gnu.org 2012-10-22 14:20 ` marktbremen45 at gmail dot com 2 siblings, 0 replies; 4+ messages in thread From: redi at gcc dot gnu.org @ 2012-10-22 12:34 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55020 Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |INVALID --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-10-22 12:34:20 UTC --- This is a GNU extension and works by design, use -pedantic or -pedantic-errors to get a diagnostic f.cc:3:14: warning: ISO C++ forbids variable length array 'arr' [-Wvla] ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c++/55020] 4.7.2 allow array init wih non-const argument 2012-10-22 12:28 [Bug c++/55020] New: 4.7.2 allow array init wih non-const argument marktbremen45 at gmail dot com 2012-10-22 12:34 ` [Bug c++/55020] " redi at gcc dot gnu.org @ 2012-10-22 12:36 ` redi at gcc dot gnu.org 2012-10-22 14:20 ` marktbremen45 at gmail dot com 2 siblings, 0 replies; 4+ messages in thread From: redi at gcc dot gnu.org @ 2012-10-22 12:36 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55020 --- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-10-22 12:36:04 UTC --- Documented at http://gcc.gnu.org/onlinedocs/gcc/Variable-Length.html ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c++/55020] 4.7.2 allow array init wih non-const argument 2012-10-22 12:28 [Bug c++/55020] New: 4.7.2 allow array init wih non-const argument marktbremen45 at gmail dot com 2012-10-22 12:34 ` [Bug c++/55020] " redi at gcc dot gnu.org 2012-10-22 12:36 ` redi at gcc dot gnu.org @ 2012-10-22 14:20 ` marktbremen45 at gmail dot com 2 siblings, 0 replies; 4+ messages in thread From: marktbremen45 at gmail dot com @ 2012-10-22 14:20 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55020 --- Comment #3 from marktbremen45 at gmail dot com 2012-10-22 14:20:39 UTC --- ok - no bug thanks for the hint ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2012-10-22 14:20 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2012-10-22 12:28 [Bug c++/55020] New: 4.7.2 allow array init wih non-const argument marktbremen45 at gmail dot com 2012-10-22 12:34 ` [Bug c++/55020] " redi at gcc dot gnu.org 2012-10-22 12:36 ` redi at gcc dot gnu.org 2012-10-22 14:20 ` marktbremen45 at gmail dot com
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