[parser]: #warning inside switch statement causes "error: new Swift parser generated errors for code that C++ parser accepted"

[tkrajacic]

Description

This code produces the error
error: new Swift parser generated errors for code that C++ parser accepted

Reproduction

switch x {
            #warning("Something")
        case "a": 
…
}

Expected behavior

Both parsers should allow this

Environment

compiling using aarch64-swift-linux-musl static build for linux on macOS

Additional information

No response

[DPrakashhh]

I am going to give it a try!