[Bug tree-optimization/114876] [11/12/13/14 Regression] -fprintf-return-value mishandles %lc with a '\0' argument.

[bruno at clisp dot org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114876

--- Comment #4 from Bruno Haible <bruno at clisp dot org> ---
(In reply to Jakub Jelinek from comment #3)
> Given that there are or at least were implementations which
> emitted no characters

Yes, musl libc emits/emitted 0 characters in this case.