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From: "trashyankes at wp dot pl" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/52343] New: [C++11] alias-definition dont work in `template<class>` params type
Date: Wed, 22 Feb 2012 18:49:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52343

             Bug #: 52343
           Summary: [C++11] alias-definition dont work in
                    `template<class>` params type
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: trashyankes@wp.pl


gcc version 4.7.0 20120203 (experimental) (niXman build)

code:
---------------------------
---------------------------

class bb {};
template<typename A>
using a1 = int; //same with char, bool and long
template<typename C>
using a2 = bb;
template<typename D>
using a3 = double;

template<template<class> class T>
struct aa
{

};

aa<a1> zz1; //error: integral expression 'a1' is not constant WTF??
aa<a2> zz2;
aa<a3> zz3;

---------------------------
---------------------------