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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://mastodon.social/users/dotstdy/statuses/112734982972559812">Josh Simmons (dotstdy@mastodon.social)'s status on Saturday, 06-Jul-2024 07:38:43 JST</a><a href="https://mastodon.social/@dotstdy" title="dotstdy@mastodon.social"><img src="https://gnusocial.jp/avatar/202361-48-20231018233926.webp" width="48" height="48" alt="Josh Simmons" style="position: absolute; left: 0; top: 0;">Josh Simmons</a><div><a href="https://hachyderm.io/@dalias/112734932329919867" rel="in-reply-to">in reply to</a><ul><li><li><a href="https://gnusocial.jp/user/114870" title="regehr@mastodon.social">John Regehr</a></li><li><a href="https://gnusocial.jp/user/266361" title="pervognsen@mastodon.social">Per Vognsen</a></li></ul></div></section><article><p><a href="https://hachyderm.io/@dalias">@dalias</a> <a href="https://mastodon.social/@pervognsen">@pervognsen</a> <a href="https://mastodon.social/@regehr">@regehr</a> even if you check the return value it can elide it (it's also irrelevant how large the allocation is, you can bloat it to allocate an extremely large amount of memory and it'll still elide the whole thing)  <a href="https://gcc.godbolt.org/z/doEfnac61" rel="nofollow noreferrer">https://gcc.godbolt.org/z/doEfnac61</a></p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/3336414#notice-6570440">In conversation</a><time datetime="2024-07-06T07:38:43+09:00" title="Saturday, 06-Jul-2024 07:38:43 JST">about 5 months ago</time> <span>from <span><a href="https://mastodon.social/@dotstdy/112734982972559812" rel="external" title="Sent from mastodon.social via ActivityPub">mastodon.social</a></span></span><a href="https://mastodon.social/@dotstdy/112734982972559812">permalink</a><h4>Attachments</h4><ol><li><article><header><div>Domain not in remote thumbnail source whitelist: raw.githubusercontent.com</div><h5><a href="https://gcc.godbolt.org/z/doEfnac61">Compiler Explorer - C (x86-64 clang 18.1.0)</a></h5><div> from <span>Matt Godbolt</span></div></header><div>int main(void) {
    int *p = malloc(sizeof(int));
    if (p) {
        *p = 42;
        int i = *p;
        free(p);
        return i;
    } else {
        return 0;
    }
}</div><footer></footer></article></li></ol></footer></blockquote>

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Josh Simmons (dotstdy@mastodon.social)'s status on Saturday, 06-Jul-2024 07:38:43 JSTJosh Simmons
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@dalias @pervognsen @regehr even if you check the return value it can elide it (it's also irrelevant how large the allocation is, you can bloat it to allocate an extremely large amount of memory and it'll still elide the whole thing) https://gcc.godbolt.org/z/doEfnac61
In conversationabout 5 months ago from mastodon.socialpermalink
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1. Domain not in remote thumbnail source whitelist: raw.githubusercontent.com
  Compiler Explorer - C (x86-64 clang 18.1.0)
  from Matt Godbolt
  int main(void) { int *p = malloc(sizeof(int)); if (p) { *p = 42; int i = *p; free(p); return i; } else { return 0; } }

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