[Bug c++/50134] New: -Wmissing-prototypes doesn't work for C++

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50134

             Bug #: 50134
           Summary: -Wmissing-prototypes doesn't work for C++
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com


[hjl@gnu-33 gcc]$ cat x.c
int
foo (int x)
{
 return x;
}
[hjl@gnu-33 gcc]$ ./xgcc -B./ -S -O -Wmissing-prototypes x.c
x.c:2:1: warning: no previous prototype for ‘foo’ [-Wmissing-prototypes]
[hjl@gnu-33 gcc]$ ./g++ -B./ -S -O -Wmissing-prototypes x.c
cc1plus: warning: command line option ‘-Wmissing-prototypes’ is valid
for Ada/AdaWhy/C/ObjC but not for C++ [enabled by default]
[hjl@gnu-33 gcc]$ ./g++ -B./ -S -O x.c
[hjl@gnu-33 gcc]$ ./g++ -B./ -Wall -S -O x.c
[hjl@gnu-33 gcc]$