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From: "paolo.carlini at oracle dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/48396] New: Undeclared library types accepted in namespace std
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48396

           Summary: Undeclared library types accepted in namespace std
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: paolo.carlini@oracle.com


This sort of code - note, no includes - is wrongly accepted:

namespace std
{
  type_info* fun1();
  void fun2(type_info);
}