solidity/test/libsolidity/semanticTests/inlineAssembly/inline_assembly_embedded_function_call.sol

contract C {
    function f() public {
        assembly {
            let d:= 0x10

            function asmfun(a, b, c) -> x, y, z {
                x := g(a)
                function g(r) -> s {
                    s := mul(r, r)
                }
                y := g(b)
                z := 7
            }
            let a1, b1, c1 := asmfun(1, 2, 3)
            mstore(0x00, a1)
            mstore(0x20, b1)
            mstore(0x40, c1)
            mstore(0x60, d)
            return (0, 0x80)
        }
    }
}

// ====
// compileViaYul: also
// compileToEwasm: also
// ----
// f() -> 0x1, 0x4, 0x7, 0x10