issue_1639_1: {
    options = {
        booleans: true,
        cascade: true,
        conditionals: true,
        evaluate: true,
        join_vars: true,
        loops: true,
        sequences: true,
        side_effects: true,
    }
    input: {
        var a = 100, b = 10;

        var L1 = 5;
        while (--L1 > 0) {
            if ((--b), false) {
                if (b) {
                    var ignore = 0;
                }
            }
        }

        console.log(a, b);
    }
    expect: {
        for (var a = 100, b = 10, L1 = 5; --L1 > 0;)
            if (--b, !1) var ignore = 0;
        console.log(a, b);
    }
    expect_stdout: true
}

issue_1639_2: {
    options = {
        booleans: true,
        cascade: true,
        conditionals: true,
        evaluate: true,
        join_vars: true,
        sequences: true,
        side_effects: true,
    }
    input: {
        var a = 100, b = 10;

        function f19() {
            if (++a, false)
                if (a)
                    if (++a);
        }
        f19();

        console.log(a, b);
    }
    expect: {
        var a = 100, b = 10;
        function f19() {
            ++a, 1;
        }
        f19(),
        console.log(a, b);
    }
    expect_stdout: true
}

issue_1639_3: {
    options = {
        booleans: true,
        cascade: true,
        conditionals: true,
        evaluate: true,
        sequences: true,
        side_effects: true,
    }
    input: {
        var a = 100, b = 10;
        a++ && false && a ? 0 : 0;
        console.log(a, b);
    }
    expect: {
        var a = 100, b = 10;
        a++,
        console.log(a, b);
    }
    expect_stdout: true
}
f2a456377eddfe24d76e'/><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=6d08d40cfa8797066a14f2a456377eddfe24d76e'>root</a>/<a href='/guix/log/gnu?id=6d08d40cfa8797066a14f2a456377eddfe24d76e'>gnu</a>/<a href='/guix/log/gnu/build?id=6d08d40cfa8797066a14f2a456377eddfe24d76e'>build</a>/<a href='/guix/log/gnu/build/locale.scm?id=6d08d40cfa8797066a14f2a456377eddfe24d76e'>locale.scm</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/gnu/build/locale.scm?id=6d08d40cfa8797066a14f2a456377eddfe24d76e&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-06-07 21:50:18 +0200'>2019-06-07</span></td><td><a href='/guix/commit/gnu/build/locale.scm?id=0e6cee21a48294b81a5e57e00602728fe7f7075f'>gnu: glibc-locales: Install symlinks using the normalized codeset.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://bugs.gnu.org/36076&gt;.
Reported by Jack Hill &lt;jackhill@jackhill.us&gt;
and Giovanni Biscuolo &lt;g@xelera.eu&gt;

* gnu/build/locale.scm (locale-&gt;name+codeset): New file.
* gnu/packages/base.scm (make-glibc-locales): Add #:modules
and #:imported-modules.  Add a 'symlink-normalized-codesets' phase.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-06-07 21:50:18 +0200'>2019-06-07</span></td><td><a href='/guix/commit/gnu/build/locale.scm?id=15ec93a7832ae7dde747ccd9bb2bb2776be9f199'>Add (gnu build locale).</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/build/locale.scm: New file.
* gnu/local.mk (MODULES_NOT_COMPILED): Add it.
* gnu/installer/locale.scm (normalize-codeset): Remove.
* gnu/system/locale.scm (localedef-command): Remove.
(single-locale-directory): Use (gnu build locale).
(glibc-supported-locales)[build]: Likewise, and remove
'read-supported-locales'.
</span></span></td><td>Ludovic Courtès</td></tr>