[Bug libstdc++/52119] numeric_limits::min() is not a constant expression

[richard-gccbugzilla at metafoo dot co.uk]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52119

Richard Smith <richard-gccbugzilla at metafoo dot co.uk> changed:

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                 CC|                            |richard-gccbugzilla at
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--- Comment #1 from Richard Smith <richard-gccbugzilla at metafoo dot co.uk> 
2012-02-04 02:12:41 UTC ---
In more detail: Under the C++11 FDIS, this is not a (core) constant expression
due to the "— a result that is not mathematically defined or not in the range of
representable values for its type;" bullet in [expr.const]p2. Under DR1313,
that rule is generalized to all undefined behavior. And a constexpr function
which can't produce a constant expression is ill-formed by [dcl.constexpr]p5.