[Boost-bugs] [Boost C++ Libraries] #3983: catch reference to incomplete type in signals2

Subject: [Boost-bugs] [Boost C++ Libraries] #3983: catch reference to incomplete type in signals2
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2010-03-06 23:16:09

#3983: catch reference to incomplete type in signals2
-------------------------------------+--------------------------------------
 Reporter:  sorokin@…                |       Owner:  fmhess  
     Type:  Bugs                     |      Status:  new     
Milestone:  Boost 1.43.0             |   Component:  signals2
  Version:  Boost Development Trunk  |    Severity:  Problem 
 Keywords:                           |  
-------------------------------------+--------------------------------------
 In boost/signals2/last_value.hpp reference to incomplete type
 boost::signals2::expired_slot is catched.

 The following code don't compile with comeau and clang:

 struct T;

 template <typename U>
 void f()
 {
    try
    {}
    catch(T const &)
    {}
 }

 struct T
 {};

 int main()
 {
    f<int>();
    return 0;
 }

 With error message:

 7.cpp:9:19: error: cannot catch reference to incomplete type 'struct T
 const'
    catch(T const &)
                   ^

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/3983>
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