On Wed, Mar 16, 2011 at 11:18:04AM -0600, Tom Tromey wrote:
> This patch fixes PR c/48116.
>
> The bug is that -Wreturn-type does not follow the documentation. In
> particular, it should warn for this code, but does not:
>
> static void f() {}
> static void g() { return f(); }
>
> I think the bug is that c-typeck.c calls pedwarn with either 0 or
> OPT_pedantic, but it should use OPT_Wreturn_type in some cases.
I think it is wrong if -Wreturn-type, which is enabled by default in -Wall,
warns about the above. Returning a void value in a void function is a GNU
extension, which is heavily used in various projects.
Warning about this just with -pedantic is IMHO the right thing to do.
Jakub
