RFR: 8261927: WebKit build fails with Visual Studio 2017

Thu Feb 18 13:57:42 UTC 2021

On Thu, 18 Feb 2021 13:25:14 GMT, Arun Joseph <ajoseph at openjdk.org> wrote:

> The WebKit build fails with Visual Studio 2017.
> 
> Issue: Visual Studio 2017 doesn't support if constexpr in lamda
> 
> Test: Build webkit with the VS2017 compiler with and without this fix. It should fail without the fix and build with the fix.

This is restoring a change that went into WebKit 610.1 but was lost during the upgrade to 610.2. It is a straightforward change, but would be good to get a second reviewer.

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PR: https://git.openjdk.java.net/jfx/pull/405