[Bug c++/23691] [4.0 Regression] `mpl_::bool_::value' is not a valid template argument for type `bool' because it is a non-constant expression

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-09-02 
16:39 -------
Hmm I think the reason why this is accepted on the mainline is the same reason 
why PR 23698 is 
accepted.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23691