== should not remove braces in an if/while statement when the body contains a declaration ==
if (true) { const _err = 5; }
while (true) { const _err = 5; }
if (true) { class Test {} }
while (true) { class Test {} }

[expect]
if (true) { const _err = 5; }
while (true) { const _err = 5; }
if (true) { class Test {} }
while (true) { class Test {} }