j066b.c.ref

j066b.c:2:1: error: Declaration for the function f appears with type qualifiers.

    Undefined behavior (UB-TDG1):
        see C11 section 6.7.3:9 http://rvdoc.org/C11/6.7.3
        see C11 section J.2:1 item 66 http://rvdoc.org/C11/J.2
        see CERT-C section MSC15-C http://rvdoc.org/CERT-C/MSC15-C
        see MISRA-C section 8.1:3 http://rvdoc.org/MISRA-C/8.1

Translation failed (kcc_config dumped). To repeat, run this command in directory unit-fail-compilation: