Re: [Boost-bugs] [Boost C++ Libraries] #8408: Boost is not compatible with Clang's -Wimplicit-fallthrough diagnostic

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #8408: Boost is not compatible with Clang's -Wimplicit-fallthrough diagnostic
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2013-04-09 19:02:20


#8408: Boost is not compatible with Clang's -Wimplicit-fallthrough diagnostic
------------------------------------------------------+---------------------
  Reporter: Alexander Kornienko <alexfh@…> | Owner: johnmaddock
      Type: Patches | Status: new
 Milestone: To Be Determined | Component: config
   Version: Boost Development Trunk | Severity: Problem
Resolution: | Keywords:
------------------------------------------------------+---------------------

Comment (by viboes):

 I think John is right. It would be better if the macro contains the ';' so
 that there is no risk in introducing a new warning.

 {{{
 #if __cplusplus >= 201103L && defined(__has_warning)
 # if __has_feature(cxx_attributes) && __has_warning("-Wimplicit-
 fallthrough")
 # define BOOST_FALLTHROUGH [[clang::fallthrough]];
 # endif
 #endif
 }}}

 and

 {{{
 #ifndef BOOST_FALLTHROUGH
 # define BOOST_FALLTHROUGH
 #endif
 }}}

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/8408#comment:9>
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