Bug 300742 – [WTF] Fix -Wc++23-extensions warning in HashTable.h

• Status: RESOLVED
• Resolution: FIXED
• Component: Web Template Framework

[David Kilzer (:ddkilzer)]

Fix -Wc++23-extensions warning in Source/WTF/wtf/HashTable.h.

```
WebKitBuild/Release/usr/local/include/wtf/HashTable.h:1219:33: warning: definition of a static variable in a constexpr function is a C++23 extension [-Wc++23-extensions]
 1219 |         static constexpr double minLoadRatio = 1.0 / minLoad;
      |                                 ^
```

[David Kilzer (:ddkilzer)]

Occurs with newer clang compiler.

[Radar WebKit Bug Importer]

<rdar://problem/162638406>

[David Kilzer (:ddkilzer)]

Regressed in:

    Do some more constexpr adoption in HashTable.h
    <https://bugs.webkit.org/show_bug.cgi?id=293237>
    <https://commits.webkit.org/295120@main>

[David Kilzer (:ddkilzer)]

Pull request: https://github.com/WebKit/WebKit/pull/52336

[EWS]

Committed 301529@main (06432b9d5cdb): <https://commits.webkit.org/301529@main>

Reviewed commits have been landed. Closing PR #52336 and removing active labels.