fix memory leak in C<sub f { split ' ', "a b" } f() while 1>

p4raw-id: //depot/perl@4103

1 files changed, 1 insertions, 0 deletions

diff --git a/pp.c b/pp.c
index 4d96370f7e..23510ebbbb 100644
--- a/pp.c
+++ b/pp.c
@@ -4870,6 +4870,7 @@ PP(pp_split)
 	else {
 	    if (!AvREAL(ary)) {
 		AvREAL_on(ary);
+		AvREIFY_off(ary);
 		for (i = AvFILLp(ary); i >= 0; i--)
 		    AvARRAY(ary)[i] = &PL_sv_undef;	/* don't free mere refs */
 	    }