ufuzz failure

[alexlamsl]

// original code
// (beautified)
var _calls_ = 10, a = 100, b = 10, c = 0;

try {
    switch ((c = c + 1) + a) {
      default:
        c = c + 1;

      case --b + (typeof f0 == "function" && --_calls_ >= 0 && f0(/[a2][^e]+$/)):
        break;

      case a++ + (typeof a == "function" && --_calls_ >= 0 && a((-42n).toString(), {
            done: typeof a == "function" && --_calls_ >= 0 && a(a += void (("function" && "number") ^ "foo" == 24..toString()), typeof f0 == "function" && --_calls_ >= 0 && f0(22, "foo", /[abc4]/.test(((c = 1 + c, 
            (a && (a.in = -1 - Infinity > ("bar" > ""))) & (NaN + "c" || [ 3n ][0] > 2 <= 5)) || b || 5).toString()))),
            var: a++ + [ --b + (a && typeof a.length == "function" && --_calls_ >= 0 && a.length("function", [])) ].next,
            "-2": b + 1 - .1 - .1 - .1
        })):
        ;
        try {
            (b++ || a || 3).toString();
        } catch (b) {} finally {
            const await_1 = () => {
                if (a++ + (3 in [ typeof a == "function" && --_calls_ >= 0 && a((c = 1 + c, 
                (a && (a[a && typeof a.c == "function" && --_calls_ >= 0 && (c = 1 + c, 
                ((-4 ^ -3) > (25 !== [ , 0 ][1])) - (import.meta % 2 >>> (a = "foo" / [])), 
                a.c)(..."" + a, 24..toString())] = ("" === this) % (a /= true && "foo"))) >> (undefined + 23..toString() === (4 === "undefined")))), --b + (a-- || 3).toString()[((c = 1 + c, 
                -3 * 25 / (null >>> ([ , 0 ].length === 2)) % (a && (a[c = 1 + c, 
                -3 < 38..toString() <= [] % -4 && (a += 23..toString() - 3 < (/[a2][^e]+$/ ^ 25))] |= NaN ^ -4) || (c = c + 1, 
                23..toString()))) || a || 3).toString()] ])) {
                    var b_1 = (c = c + 1) + a++, a_2 = --b + (a_2 && (a_2[(c = c + 1) + (typeof f0 == "function" && --_calls_ >= 0 && f0())] = ({} != 23..toString() && (b_1 && (b_1.NaN = "bar" * 24..toString()))) < (void "undefined" & (a_2 && (a_2.c += 3 >= "a")))));
                }
                {
                    var expr9 = b_1 && b_1[1];
                    for (var key9 in expr9) {
                        c = 1 + c;
                        const await = expr9[key9];
                        c = c + 1;
                    }
                }
            };
            if (typeof await_1 == "function" && --_calls_ >= 0 && await_1(5)) {}
        }
        break;

      case a++:
        {
            var expr13 = b + 1 - .1 - .1 - .1;
            for (a in expr13) {
                try {
                    (c = c + 1) + (a && a[--b + /[a2][^e]+$/]);
                } catch {} finally {
                    a++ + (([ , 0 ].length === 2) >>> false === ([ , 0 ].length === 2) - 0, 
                    (c = c + 1, "number") < (-4 > !0o644n));
                }
            }
        }
        break;
    }
} finally {
    c = c + 1;
    {
        var brake18 = 5;
        do {
            for (var brake19 = 5; a++ + (typeof a == "function" && --_calls_ >= 0 && a`${((c = c + 1) + /[abc4]/g.exec((0 || b || 5).toString()) || a || 3).toString()}${typeof f1 == "function" && --_calls_ >= 0 && f1(--b + /[abc4]/.test(((c = 1 + c, 
            ({} ^ {}) ** (a && ({
                [(c = 1 + c, a && ({
                    in: a[(c = c + 1) + typeof (a && typeof a.static == "function" && --_calls_ >= 0 && (c = 1 + c, 
                    (this && null) >= ("undefined" && 25) || this != "function" == 5 <= true, 
                    a.static)((c = 1 + c, (a && ({
                        1.5: a[a]
                    } = {
                        1.5: ("number" <= "number") / (23..toString() < "foo")
                    })) !== (38..toString() & null) >= (null == null))))]
                } = {
                    in: ([] ^ "b" && (a && (a.foo *= [ , 0 ][1] * "function"))) >= (0 != -4 == ({} ^ "foo"))
                }))]: a[c = 1 + c, (a |= this ^ -2 ^ (a = 1 ^ "a")) || (this ^ 23..toString()) + ("c", 
                "")]
            } = {
                set: null >> false
            })) > (a && (a.b += "" ^ /[a2][^e]+$/), ~!0o644n)) || b || 5).toString()) ? (c = c + 1) + (typeof a == "function" && --_calls_ >= 0 && a((c = 1 + c, 
            ((24..toString() && 0) > delete 23..toString()) - (a && (a.Infinity += (-1 & 4) - (a = "" | -1)))))) : --b + (typeof foo_1 === "symbol"), -2, 22)} `) && brake19 > 0; --brake19) {
                typeof f1 == "function" && --_calls_ >= 0 && f1([ , 0 ].length === 2, "function", this);
            }
        } while ((b = a) && --brake18 > 0);
    }
}

console.log(null, a, b, c, Infinity, NaN, undefined);

// !!! uglify failed !!!
RangeError: Maximum call stack size exceeded
    at TreeTransformer.eval [as before] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:13779:46)
    at AST_Var.eval [as transform] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2899:31)
    at AST_Var.ctor.transform (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:516:34)
    at eval (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2717:25)
    at List (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:114:23)
    at do_list (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2716:16)
    at transform_arrow (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2806:25)
    at AST_Arrow.eval [as transform] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2902:13)
    at AST_Arrow.ctor.transform (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:516:34)
    at eval (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2788:49)
    at AST_VarDef.eval [as transform] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2902:13)
    at AST_VarDef.ctor.transform (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:516:34)
    ...
    at eval (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2717:25)
    at List (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:114:23)
    at do_list (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2716:16)
    at eval (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2730:21)
    at descend_scope (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:14260:17)
    at TreeTransformer.eval [as before] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:14249:17)
    at AST_Toplevel.eval [as transform] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2899:31)
    at AST_Toplevel.ctor.transform (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:516:34)
    at AST_Toplevel.eval [as drop_unused] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:14304:14)
    at Compressor.eval (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:6603:13)
    at AST_Toplevel.eval [as transform] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2899:31)
    at AST_Toplevel.ctor.transform (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:516:34)
    at Compressor.compress (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:6636:21)
    at Object.minify (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:25022:57)
    at /home/runner/work/UglifyJS/UglifyJS/test/ufuzz/index.js:2567:32
    at Array.forEach (<anonymous>)
    at Object.<anonymous> (/home/runner/work/UglifyJS/UglifyJS/test/ufuzz/index.js:2559:20)
    at Module._compile (internal/modules/cjs/loader.js:999:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)
    at Module.load (internal/modules/cjs/loader.js:863:32)
    at Function.Module._load (internal/modules/cjs/loader.js:708:14)
    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:60:12)
    at internal/main/run_main_module.js:17:47

// reduced test case (output will differ)

// (beautified)
try {
    {
        const await_1 = () => {
            var expr9;
            for (var key9 in expr9) {
                const await = expr9[0];
            }
        };
        await_1 && await_1();
    }
} finally {
    for (var brake19 = 5; brake19; --brake19) {}
}
// minify error: RangeError: Maximum call stack size exceeded
//     at assign_as_unused (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:13471:105)
//     at TreeTransformer.eval [as before] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:13782:39)
//     at AST_VarDef.eval [as transform] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2899:31)
//     at AST_VarDef.ctor.transform (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:516:34)
//     at eval (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2717:25)
//     at List (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:114:23)
//     at do_list (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2716:16)
//     at eval (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2784:28)
//     at AST_Var.eval [as transform] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2902:13)
//     at AST_Var.ctor.transform (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:516:34)
//     ...
//     at eval (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2717:25)
//     at List (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:114:23)
//     at do_list (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2716:16)
//     at transform_arrow (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2806:25)
//     at descend_scope (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:14260:17)
//     at TreeTransformer.eval [as before] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:13871:17)
//     at AST_Arrow.eval [as transform] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2899:31)
//     at AST_Arrow.ctor.transform (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:516:34)
//     at eval (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:13981:58)
//     at Array.forEach (<anonymous>)
//     at TreeTransformer.eval [as before] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:13980:34)
//     at AST_Var.eval [as transform] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2899:31)
//     at AST_Var.ctor.transform (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:516:34)
//     at eval (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2717:25)
//     at List (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:114:23)
//     at do_list (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2716:16)
//     at eval (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2775:21)
//     at AST_Try.eval [as transform] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2902:13)
//     at AST_Try.ctor.transform (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:516:34)
//     at eval (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2717:25)
//     at List (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:114:23)
//     at do_list (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2716:16)
//     at eval (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2730:21)
//     at descend_scope (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:14260:17)
//     at TreeTransformer.eval [as before] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:14249:17)
//     at AST_Toplevel.eval [as transform] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2899:31)
//     at AST_Toplevel.ctor.transform (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:516:34)
//     at AST_Toplevel.eval [as drop_unused] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:14304:14)
//     at Compressor.eval (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:6603:13)
//     at AST_Toplevel.eval [as transform] (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:2899:31)
//     at AST_Toplevel.ctor.transform (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:516:34)
//     at Compressor.compress (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:6636:21)
//     at Object.minify (eval at <anonymous> (/home/runner/work/UglifyJS/UglifyJS/tools/node.js:1:1), <anonymous>:25022:57)
//     at test_minify (/home/runner/work/UglifyJS/UglifyJS/test/reduce.js:823:22)
//     at reduce_test (/home/runner/work/UglifyJS/UglifyJS/test/reduce.js:650:16)
//     at log (/home/runner/work/UglifyJS/UglifyJS/test/ufuzz/index.js:2265:23)
//     at /home/runner/work/UglifyJS/UglifyJS/test/ufuzz/index.js:2644:80
//     at Array.forEach (<anonymous>)
//     at Object.<anonymous> (/home/runner/work/UglifyJS/UglifyJS/test/ufuzz/index.js:2559:20)
//     at Module._compile (internal/modules/cjs/loader.js:999:30)
//     at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)
//     at Module.load (internal/modules/cjs/loader.js:863:32)
//     at Function.Module._load (internal/modules/cjs/loader.js:708:14)
//     at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:60:12)
//     at internal/main/run_main_module.js:17:47
// options: {
//   "compress": {
//     "hoist_vars": true,
//     "keep_infinity": true,
//     "passes": 1000000,
//     "unsafe": true
//   },
//   "keep_fargs": true,
//   "keep_fnames": true,
//   "module": false,
//   "toplevel": true,
//   "output": {
//     "v8": true
//   },
//   "validate": true
// }

minify(options):
{
  "compress": {
    "hoist_vars": true,
    "keep_infinity": true,
    "passes": 1000000,
    "unsafe": true
  },
  "keep_fargs": true,
  "keep_fnames": true,
  "module": false,
  "toplevel": true,
  "output": {
    "v8": true
  }
}

Suspicious compress options:
  arrows
  conditionals
  evaluate
  hoist_vars
  inline
  join_vars
  passes
  reduce_vars
  sequences
  unused
  varify

Suspicious options:
  toplevel