warn: {
    options = {
        evaluate: true,
        inline: true,
        passes: 2,
        properties: true,
        reduce_funcs: true,
        reduce_vars: true,
        toplevel: true,
        unused: true,
    }
    input: {
        function f() {
            return g();
        }
        function g() {
            return g["call" + "er"].arguments;
        }
        // 3
        console.log(f(1, 2, 3).length);
    }
    expect: {
        // TypeError: Cannot read property 'arguments' of null
        console.log(function g() {
            return g.caller.arguments;
        }().length);
    }
    expect_warnings: [
        "WARN: Function.protoype.caller not supported [test/compress/issue-2719.js:17,19]",
        "WARN: Function.protoype.arguments not supported [test/compress/issue-2719.js:17,19]",
    ]
}
>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=a0e2a3e30c65f5eb29923e661b8e5669cc2d0163'>refs</a><a class='active' href='/guix/log/scripts'>log</a><a href='/guix/tree/scripts?id=a0e2a3e30c65f5eb29923e661b8e5669cc2d0163'>tree</a><a href='/guix/commit/scripts?id=a0e2a3e30c65f5eb29923e661b8e5669cc2d0163'>commit</a><a href='/guix/diff/scripts?id=a0e2a3e30c65f5eb29923e661b8e5669cc2d0163'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/scripts'>
<input type='hidden' name='id' value='a0e2a3e30c65f5eb29923e661b8e5669cc2d0163'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=a0e2a3e30c65f5eb29923e661b8e5669cc2d0163'>root</a>/<a href='/guix/log/scripts?id=a0e2a3e30c65f5eb29923e661b8e5669cc2d0163'>scripts</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/scripts?id=a0e2a3e30c65f5eb29923e661b8e5669cc2d0163&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>