[Bug c++/43824] New: C++0x feature "inline namespace" enabled under -std=c++98; no warnings

["bergner at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

Inline namespace definitions are a feature proposed under C++0x.  The feature
is not part of the C++98/03 standards.  Code that uses it under -std=c++98
-Wall -Wextra -pedantic should get at least a warning.

bergner@etna:~/gcc/BUGS/> cat t.cpp 
inline namespace A { }
bergner@etna:~/gcc/BUGS/> g++ -std=c++98 -Wall -Wextra -pedantic -c t.cpp 
bergner@etna:~/gcc/BUGS/> echo $?
0

This seems to also be the case for GCC 4.4 and 4.5.


-- 
           Summary: C++0x feature "inline namespace" enabled under -
                    std=c++98; no warnings
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: bergner at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43824