Method check_fn

cranelift/reader/src/parser.rs:389–395

Resolve a reference to a function.

(&self, fn_: FuncRef, loc: Location)

    // Resolve a reference to a function.
    fn check_fn(&self, fn_: FuncRef, loc: Location) -> ParseResult<()> {
        if !self.map.contains_fn(fn_) {
            err!(loc, "undefined function {}", fn_)
        } else {
            Ok(())
        }
    }

    // Allocate a new constant.
    fn add_constant(