Re: [Boost-bugs] [Boost C++ Libraries] #7644: [-Wswitch] warnings with gcc 4.7.2 with C++11 enabled.

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #7644: [-Wswitch] warnings with gcc 4.7.2 with C++11 enabled.
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2012-11-21 18:30:55

#7644: [-Wswitch] warnings with gcc 4.7.2 with C++11 enabled.
-----------------------------------+----------------------------------------
  Reporter:  steven.lemay@…        |       Owner:  johnmaddock
      Type:  Bugs                  |      Status:  new        
 Milestone:  To Be Determined      |   Component:  regex      
   Version:  Boost 1.52.0          |    Severity:  Problem    
Resolution:                        |    Keywords:  -Wswitch   
-----------------------------------+----------------------------------------

Comment (by tvaneerd@…):

 ie:

 {{{
 --- a/boost/regex/v4/cpp_regex_traits.hpp
 +++ b/boost/regex/v4/cpp_regex_traits.hpp
 @@ -112,7 +112,10 @@ parser_buf<charT, traits>::seekoff(off_type off,
 ::std::ios_base::seekdir way, :
     std::ptrdiff_t size = this->egptr() - this->eback();
     std::ptrdiff_t pos = this->gptr() - this->eback();
     charT* g = this->eback();
 -   switch(way)
 +
 +   // cast to avoid gcc '-Wswitch',
 +   // as ios_base::beg/cur/end are not necesssarily values of 'way' enum
 type ios_base::seekdir
 +   switch(static_cast<int>(way))
     {
     case ::std::ios_base::beg:
        if((off < 0) || (off > size))}}}

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/7644#comment:1>
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