p4raw-id: //depot/perl@8364
static void
output_datum(pTHX_ SV *arg, char *str, int size)
{
-#if !defined(MYMALLOC) || (defined(MYMALLOC) && defined(PERL_POLLUTE_MALLOC) && !defined(LEAKTEST))
+#if (!defined(MYMALLOC) || (defined(MYMALLOC) && defined(PERL_POLLUTE_MALLOC))) && !defined(LEAKTEST)
sv_usepvn(arg, str, size);
#else
sv_setpvn(arg, str, size);