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Should G++ reject initializer list narrowing conversions in -std=C++11 -pedantic mode?

From: David Sankel <david at stellarscience dot com>
To: gcc at gcc dot gnu dot org
Date: Wed, 26 Dec 2012 09:40:35 -0700
Subject: Should G++ reject initializer list narrowing conversions in -std=C++11 -pedantic mode?

Programs that depend on narrowing conversions in initializer lists violate 8.5.4 item 3 of ISO/IEC 14882-2012. Currently these programs are compiled successfully with warnings with and without a "-pedantic" flag in C++ 2011 language mode.

Are there any drawbacks to having "-pedantic" mode reject these programs with an error? As it is now, I don't see an easy way for a user to determine if these warnings are due to C++ 2011 non-conformance or just bad programming practices.

Thanks,

David

Ref: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55783

--
David Sankel <david@stellarscience.com>
Stellar Science Ltd Co - Stellar Scientific Software Solutions

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