update size after Renew

RT #130841

In general code, change this idiom:

    PL_foo_max += size;
    Renew(PL_foo, PL_foo_max, foo_t);

to
    Renew(PL_foo, PL_foo_max + size, foo_t);
    PL_foo_max += size;

so that if Renew dies, PL_foo_max won't be left hanging.

1 files changed, 1 insertions, 1 deletions

diff --git a/pp_hot.c b/pp_hot.c
index 58bbe2f1e9..4f0d094ce6 100644
--- a/pp_hot.c
+++ b/pp_hot.c
@@ -4134,8 +4134,8 @@ PP(pp_entersub)
             items = SP - MARK;
 	    if (UNLIKELY(items - 1 > AvMAX(av))) {
                 SV **ary = AvALLOC(av);
-                AvMAX(av) = items - 1;
                 Renew(ary, items, SV*);
+                AvMAX(av) = items - 1;
                 AvALLOC(av) = ary;
                 AvARRAY(av) = ary;
             }