function_iife_catch: {
    mangle = {
        ie: false,
    }
    input: {
        function f(n) {
            !function() {
                try {
                    throw 0;
                } catch (n) {
                    var a = 1;
                    console.log(n, a);
                }
            }();
        }
        f();
    }
    expect_exact: "function f(o){!function(){try{throw 0}catch(o){var c=1;console.log(o,c)}}()}f();"
    expect_stdout: "0 1"
}

function_iife_catch_ie8: {
    mangle = {
        ie: true,
    }
    input: {
        function f(n) {
            !function() {
                try {
                    throw 0;
                } catch (n) {
                    var a = 1;
                    console.log(n, a);
                }
            }();
        }
        f();
    }
    expect_exact: "function f(c){!function(){try{throw 0}catch(c){var o=1;console.log(c,o)}}()}f();"
    expect_stdout: "0 1"
}

function_catch_catch: {
    mangle = {
        ie: false,
    }
    input: {
        var o = 0;
        function f() {
            try {
                throw 1;
            } catch (c) {
                try {
                    throw 2;
                } catch (o) {
                    var o = 3;
                    console.log(o);
                }
            }
            console.log(o);
        }
        f();
    }
    expect_exact: "var o=0;function f(){try{throw 1}catch(o){try{throw 2}catch(c){var c=3;console.log(c)}}console.log(c)}f();"
    expect_stdout: [
        "3",
        "undefined",
    ]
}

function_catch_catch_ie8: {
    mangle = {
        ie: true,
    }
    input: {
        var o = 0;
        function f() {
            try {
                throw 1;
            } catch (c) {
                try {
                    throw 2;
                } catch (o) {
                    var o = 3;
                    console.log(o);
                }
            }
            console.log(o);
        }
        f();
    }
    expect_exact: "var o=0;function f(){try{throw 1}catch(c){try{throw 2}catch(o){var o=3;console.log(o)}}console.log(o)}f();"
    expect_stdout: [
        "3",
        "undefined",
    ]
}