Bug 253377 – Switch from WTF::Span to std::span

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

[David Kilzer (:ddkilzer)]

Switch from WTF::Span to std::span.

Now that Apple's ports of WebKit are building with C++20, it can use std::span.

<rdar://103182220>

[David Kilzer (:ddkilzer)]

Pull request: https://github.com/WebKit/WebKit/pull/11058

[EWS]

Committed 261239@main (6d41b0f74b61): <https://commits.webkit.org/261239@main>

Reviewed commits have been landed. Closing PR #11058 and removing active labels.

[Diego Pino]

After this patch landed, WebKitGTK Debian Stable bot started failing with the following error:

```
../../Source/WebKit/Platform/IPC/StreamConnectionBuffer.h: In static member function ‘static constexpr size_t IPC::StreamConnectionBuffer::headerSize()’:
../../Source/WebKit/Platform/IPC/StreamConnectionBuffer.h:140:84: error: ‘max_align_t’ is not a member of ‘std’; did you mean ‘max_align_t’?
  140 |     static constexpr size_t headerSize() { return roundUpToMultipleOf<alignof(std::max_align_t)>(sizeof(Header)); }
      |                                                                                    ^~~~~~~~~~~
In file included from /usr/include/c++/10/bits/cxxabi_init_exception.h:38,
                 from /usr/include/c++/10/bits/exception_ptr.h:38,
                 from /usr/include/c++/10/exception:147,
                 from /usr/include/c++/10/new:41,
                 from /usr/include/c++/10/bits/stl_iterator.h:81,
                 from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/algorithm:61,
                 from /home/buildbot/worker/GTK-Linux-64-bit-Release-Debian-Stable-Build/build/Source/WebKit/WebKit2Prefix.h:60,
                 from <command-line>:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:426:3: note: ‘max_align_t’ declared here
  426 | } max_align_t;
```

[Diego Pino]

https://build.webkit.org/#/builders/46/builds/26711/steps/9/logs/stdio

[Diego Pino]

Re-opening for pull request https://github.com/webkit/webkit/pull/11097

[EWS]

Committed 261255@main (d4e7ec025851): <https://commits.webkit.org/261255@main>

Reviewed commits have been landed. Closing PR #11097 and removing active labels.