[Webkit-unassigned] [Bug 245861] New: [WGSL] Remove RETURN_NODE_REF_NO_ARGS from Parser

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=245861

            Bug ID: 245861
           Summary: [WGSL] Remove RETURN_NODE_REF_NO_ARGS from Parser
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGPU
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: djg at apple.com

This comment in Parser.cpp:

```
// Passing 0 arguments beyond the type to RETURN_NODE_REF is invalid because of a stupid limitation of the C preprocessor
#define RETURN_NODE_REF_NO_ARGS(type) \
    return { makeUniqueRef<AST::type>(CURRENT_SOURCE_SPAN()) };
```

Change be fixed with __VA_OPT__ 

https://stackoverflow.com/questions/68484818/function-like-macros-with-c20-va-opt-error-in-manual-code

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