[Bug c++/23914] [4.0/4.1 Regression] further 'non-constant' template argument case exposed by Boost

[pinskia at gcc dot gnu dot org]

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           What    |Removed                     |Added
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           Severity|normal                      |critical
           Keywords|                            |rejects-valid


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23914