Retract #11870 and volatilize the right destruct_level.

Silly thinko pointed out by Sarathy.

p4raw-id: //depot/perl@11872

1 files changed, 1 insertions, 1 deletions

diff --git a/perl.c b/perl.c
index 8cc88f2e52..4a605da7ff 100644
--- a/perl.c
+++ b/perl.c
@@ -287,7 +287,7 @@ Shuts down a Perl interpreter.  See L<perlembed>.
 int
 perl_destruct(pTHXx)
 {
-    int destruct_level;  /* 0=none, 1=full, 2=full with checks */
+    volatile int destruct_level;  /* 0=none, 1=full, 2=full with checks */
     HV *hv;
 #ifdef USE_5005THREADS
     Thread t;