Michael Wojcik <Michael.Wojcik@xxxxxxxxxxxxxx> wrote:
> Actually, in the context of #if expressions, unrecognized tokens expand to 0 anyway:
> After all replacements due to macro expansion and the defined unary
> operator have been performed, all remaining identifiers are replaced
> with the pp-number 0...
> (ISO 9899:1999 6.10.1 #3)
Yes, but that generates a warning, and then error via -Werror with some set
of compile options that at least one CI run uses.
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