On Jan 5, 2022, at 7:43 PM, Alex Christensen via webkit-dev <webkit-dev@lists.webkit.org> wrote:

I, with great help from several of you, got https://bugs.webkit.org/show_bug.cgi?id=233963 compiling on all platforms, but several of the JSC bots are still red.  I’m under the impression that they either need a clean build or I’ve missed something.  Could a JSC bot maintainer look into it?

On Dec 7, 2021, at 2:38 PM, Carlos Alberto Lopez Perez via webkit-dev <webkit-dev@lists.webkit.org> wrote:

On 06/12/2021 22:36, Yusuke Suzuki via webkit-dev wrote:

I recently upgraded GCC requirement to 8.3.0 based
on https://trac.webkit.org/wiki/WebKitGTK/GCCRequirement
<https://trac.webkit.org/wiki/WebKitGTK/GCCRequirement> (https://trac.webkit.org/changeset/283348/webkit
<https://trac.webkit.org/changeset/283348/webkit>)
As a result, we can use some of C++20 features.
I wonder if we can flip C++20 now. While some of C++20 features cannot
be used since GCC 8.3.0 does not support, but some of features can be
used, and it is super useful.

From the PoV of WebKitGTK I think it is Ok to enable now the building
with C++-20 support and to start using the C++-20 features already
supported by GCC 8.3.0

Check here: https://gcc.gnu.org/projects/cxx-status.html which C++-20
features are supported by GCC 8

Before using them I think it would be a good idea to double-check if
those are also supported by the minimum version of Clang that we want to
support.
And maybe also to check if those are supported by MS Visual C++ ?
I say maybe because I'm not sure if we support this compiler.
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