ction 1.2.4</span></a>), if you don’t specify an explicit mode through the <code>-O</code> command-line <a href="#fn2" class="footnote-ref" id="fnref2" role="doc-noteref"><sup>2</sup></a> argument, then, the compiler will compile your code in <code>Debug</code> mode.</p>
</section>
<section id="lets-debug-a-program" class="level3" data-number="5.2.2">
<h3 data-number="5.2.2" class="anchored" data-anchor-id="lets-debug-a-program"><span class="header-section-number">5.2.2</span> Let’s debug a program</h3>