[Bug c++/49266] [C++0x] Another incomplete type regression with noexcept

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49266

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |jason at gcc dot gnu.org,
                   |                            |paolo.carlini at oracle dot
                   |                            |com

--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-06-04 12:30:59 UTC ---
Thanks Marc. I guess we need a definitive word here about whether these are c++
front issues or unavoidable problems caused by the implementation of the traits
via sfinae. In the latter case we have unfortunately to be prepared to revert
all the noexcept work involving traits until we get front-end support. Very
sad, of course: personally, I didn't think sfinae-based techniques had serious
limitations besides access-control. Would be something worth popularizing, can
affect a lot of sfinae uses outside the library too, of course.