Should Node.js be built with ClangCL under Windows?
Briefly

In Debug mode, the regular Visual Studio compiler produces faster compilation times and more performant code compared to ClangCL. ClangCL can offer more performant code in release mode with gains up to 40% in some cases.
Chrome, Firefox, some game developers, and Node.js (thanks to Michaël Zasso) have adopted ClangCL for building, indicating its potential to improve performance. ClangCL is now used in Chrome across platforms.
Read at Lemire
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