Method catch_switch

crates/rustc_codegen_nvvm/src/builder.rs:1017–1024

(
        &mut self,
        _parent: Option<&'ll Value>,
        _unwind: Option<&'ll BasicBlock>,
        _num_handlers: usize,
    )

    fn catch_pad(&mut self, _parent: &'ll Value, _args: &[&'ll Value]) {}

    fn catch_switch(
        &mut self,
        _parent: Option<&'ll Value>,
        _unwind: Option<&'ll BasicBlock>,
        _num_handlers: usize,
    ) -> &'ll Value {
        self.unsupported("catch switches");
    }

    fn add_handler(&mut self, _catch_switch: &'ll Value, _handler: &'ll BasicBlock) {
        todo!();