-1. Really this should be I8, but it turns out that Configure's choice
of type for I8 is buggy - it always uses char, which is unsigned on
some platforms.
p4raw-id: //depot/perl@32561
/* This value may be set when embedding for full cleanup */
/* 0=none, 1=full, 2=full with checks */
-PERLVARI(Iperl_destruct_level, U8, 0)
+/* mod_perl is special, and also assigns a meaning -1 */
+PERLVARI(Iperl_destruct_level, signed char, 0)
PERLVAR(Iperldb, U32)