This fixes the following bug:
Luigi Ballabio wrote:
> The following interface produces Guile wrappers which
> do not compile:
>
> %module Foo
> class Foo {};
> class Bar : public Foo {};
> void baz(Foo f);
>
> The reason seems to be the function baz() taking a Foo by value, which
> causes functions to be emitted in the CONVERSIONS section such as:
>
> static void *_BarTo_Foo(void *x) {
> return (void *)((Foo) ((Bar) x));
> }
> static void *_p_BarTo_p_Foo(void *x) {
> return (void *)((Foo *) ((Bar *) x));
> }
>
> of which the former doesn't compile; on the other hand, only the second
> function is emitted if baz() takes a Foo by const reference.
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@7266 626c5289-ae23-0410-ae9c-e8d60b6d4f22
21f3f0e81b