[Bug c++/31187] [4.2/4.3 regression] extern declaration of variable in anonymous namespace prevents use of its address as template argument

[mark at codesourcery dot com]

------- Comment #5 from mark at codesourcery dot com  2007-03-23 02:44 -------
Subject: Re:  [4.2/4.3 regression] extern declaration of variable
 in anonymous namespace prevents use of its address as template argument

bangerth at dealii dot org wrote:
> ------- Comment #4 from bangerth at dealii dot org  2007-03-23 02:37 -------
> Without wanting to be a distractor, but can variables of a type that
> was declared in an anonymous namespace really have external linkage?

That's not the case here; the class is in the global namespace.  Only
the variable is in the anonymous namespace, and entities in anonymous
namespaces do have external linkage.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31187