string_plus_optimization: {
    options = {
        booleans: true,
        comparisons: true,
        conditionals: true,
        dead_code: true,
        evaluate: true,
        hoist_funs: true,
        if_return: true,
        join_vars: true,
        side_effects: true,
        unused: true,
    }
    input: {
        function foo(anything) {
            function throwing_function() {
                throw "nope";
            }
            try {
                console.log('0' + throwing_function() ? "yes" : "no");
            } catch (ex) {
                console.log(ex);
            }
            console.log('0' + anything ? "yes" : "no");
            console.log(anything + '0' ? "Yes" : "No");
            console.log('' + anything);
            console.log(anything + '');
        }
        foo();
    }
    expect: {
        function foo(anything) {
            function throwing_function() {
                throw "nope";
            }
            try {
                console.log((throwing_function(), "yes"));
            } catch (ex) {
                console.log(ex);
            }
            console.log("yes");
            console.log("Yes");
            console.log('' + anything);
            console.log(anything + '');
        }
        foo();
    }
    expect_stdout: true
}
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<div class='path'>path: <a href='/guix/log/?id=51b671596012e8c68a1a40a59f5d770b3a1e2484&amp;showmsg=1'>root</a>/<a href='/guix/log/etc?id=51b671596012e8c68a1a40a59f5d770b3a1e2484&amp;showmsg=1'>etc</a>/<a href='/guix/log/etc/openrc?id=51b671596012e8c68a1a40a59f5d770b3a1e2484&amp;showmsg=1'>openrc</a>/<a href='/guix/log/etc/openrc/guix-daemon.in?id=51b671596012e8c68a1a40a59f5d770b3a1e2484&amp;showmsg=1'>guix-daemon.in</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/etc/openrc/guix-daemon.in?id=51b671596012e8c68a1a40a59f5d770b3a1e2484'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2021-07-07 23:54:20 -0400'>2021-07-07</span></td><td class='logsubject'><a href='/guix/commit/etc/openrc/guix-daemon.in?id=4cbe0127a668cbcc64087c5d311308b59d39b104'>guix-install.sh: Prompt for configuring substitutes discovery.</a></td><td>Maxim Cournoyer</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
Also ensure prompt_yes_no always print the message with a trailing space,
which is more pleasing to the eye.

* etc/guix-daemon.conf.in &lt;--discover=no&gt;: New guix-daemon option.
* etc/guix-daemon.service.in: Likewise.
* etc/init.d/guix-daemon.in: Likewise.
* etc/openrc/guix-daemon.in: Likewise.
* etc/guix-install.sh (configure_substitute_discovery): New procedure.
(sys_enable_guix_daemon): Ask the user whether automatic substitute discovery
should be enabled.  Set the '--discover' argument accordingly.
(prompt_yes_no): Add a trailing space to the message.
(sys_authorize_build_farms): Remove trailing space from the message argument.
* NEWS (Distribution): Add news.


</td></tr>