PERL_ARGS_ASSERT_PRINT_COLLXFRM_INPUT_AND_RETURN;
- PerlIO_printf(Perl_debug_log, "_mem_collxfrm[%u]: returning ",
- PL_collation_ix);
+ PerlIO_printf(Perl_debug_log, "_mem_collxfrm[%" UVuf "]: returning ",
+ (UV)PL_collation_ix);
if (xlen) {
PerlIO_printf(Perl_debug_log, "%" UVuf, (UV) *xlen);
}