[Boost-bugs] [Boost C++ Libraries] #5268: mpl::int_<INT_MIN> fails to compile under g++-4.6 although g++-4.5 works.

Subject: [Boost-bugs] [Boost C++ Libraries] #5268: mpl::int_<INT_MIN> fails to compile under g++-4.6 although g++-4.5 works.
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2011-03-05 17:31:29

#5268: mpl::int_<INT_MIN> fails to compile under g++-4.6 although g++-4.5 works.
---------------------------------------------------+------------------------
 Reporter:  Stirling Westrup <swestrup@…>          |       Owner:  agurtovoy
     Type:  Bugs                                   |      Status:  new      
Milestone:  To Be Determined                       |   Component:  mpl      
  Version:  Boost 1.46.0                           |    Severity:  Problem  
 Keywords:  int_ INT_MIN                           |  
---------------------------------------------------+------------------------
 Under Debian Sid with a 2.6.36 AMD_64 kernel, and g++-4.6, the following
 code:

 {{{
 #include <climits>
 #include <boost/mpl/int.hpp>

 boost::mpl::int_<INT_MIN> foo;
 }}}

 Produces the errors:

 {{{
 /usr/local/include/boost/mpl/aux_/integral_wrapper.hpp: In instantiation
 of ‘mpl_::int_<-0x00000000080000000>’:
 test_test.cpp:8:27:   instantiated from here
 /usr/local/include/boost/mpl/aux_/integral_wrapper.hpp:73:96: error:
 ‘2147483647’ is not a valid template argument for type ‘int’ because it is
 a non-constant expression
 /usr/local/include/boost/mpl/aux_/integral_wrapper.hpp:73:96: error:
 overflow in constant expression [-fpermissive]
 }}}

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/5268>
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