reset sv_serial for each new interpreter

to a value of 0 + 1000000*interpreter_number
where interpreter_number is currently just a dirty hash of my_perl

diff --git a/sv.c b/sv.c
index 2683d89..38a9140 100644 (file)
--- a/sv.c
+++ b/sv.c
@@ -11836,6 +11836,7 @@ perl_clone_using(PerlInterpreter *proto_perl, UV flags,
     PL_sig_pending = 0;
     PL_parser = NULL;
     Zero(&PL_debug_pad, 1, struct perl_debug_pad);
+    PL_sv_serial = (((U32)my_perl >> 2) & 0xfff) * 1000000;
 #else  /* !DEBUGGING */
     Zero(my_perl, 1, PerlInterpreter);
 #endif /* DEBUGGING */