<p></p>
<p>I suggest using this, <a class="user-mention" data-hovercard-type="user" data-hovercard-url="/users/kugel-/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/kugel-">@kugel-</a> has already made a PR for Scintilla 5 and who knows what that needs.</p>
<p>Of course its not <em>just</em> the compiler, but also the standard library (which is where string_view lives) that needs to be modern enough, but the compiler is possibly a proxy for that ... maybe.</p>
<p>I just investigated this Mint (ie Ubuntu LTS based) system that has been allowed to handle compilers itself, it has gcc 8-10 available in the repos with 9.3 installed by default, and libstdc++ 8-10 available but 10.3 installed by default, interesting, I guess its ABI compatible with 9.3 so it can still be used with a 9.3 compiler but benefit from the bugfixes/additions.  It also has clang 8-12 available with clang 10 installed by default and libc++ 8-12 available, but none installed.  So clang is using libstdc++ here.  All are Ubuntu packages, so I would expect Ubuntu LTS systems to be the same.</p>
<p>So I suggest we use this as "reasonable efforts, feel free to contribute better tests if you think they are needed".</p>

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