FWIW, GCC has ASan too. [0] I&#x27;m not sure how it compares to the LLVM implementation, I&#x27;ve only tried LLVM&#x27;s (with good results).<p>Having said that, I hack on LLVM daily and would not relish having to use GCC to the same effect. LLVM really does shine when used as a library!<p>[0]: <a href="https:&#x2F;&#x2F;gcc.gnu.org&#x2F;onlinedocs&#x2F;gcc&#x2F;Debugging-Options.html" rel="nofollow">https:&#x2F;&#x2F;gcc.gnu.org&#x2F;onlinedocs&#x2F;gcc&#x2F;Debugging-Options.html</a>