Tom> This patch fixes PR c/48116.
Tom> The bug is that -Wreturn-type does not follow the documentation. In
Tom> particular, it should warn for this code, but does not:
Tom> static void f() {}
Tom> static void g() { return f(); }
Tom> I think the bug is that c-typeck.c calls pedwarn with either 0 or
Tom> OPT_pedantic, but it should use OPT_Wreturn_type in some cases.
Jakub> I think it is wrong if -Wreturn-type, which is enabled by default
Jakub> in -Wall, warns about the above. Returning a void value in a
Jakub> void function is a GNU extension, which is heavily used in
Jakub> various projects. Warning about this just with -pedantic is IMHO
Jakub> the right thing to do.
It seems ok to me to accept it as a GNU extension.
But, it still doesn't warn with -std=c89 or -std=c99.
-pedantic seems too heavy for this, to me.
If you agree I will look at fixing the patch.
Otherwise I guess I will write a documentation patch to remove this
text, since it is just incorrect.
Tom
