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-rw-r--r--src/array.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/array.c b/src/array.c
index fa43bdd35..a76d3f004 100644
--- a/src/array.c
+++ b/src/array.c
@@ -368,6 +368,7 @@ mrb_ary_reverse_bang(mrb_state *mrb, mrb_value self)
if (a->len > 1) {
mrb_value *p1, *p2;
+ ary_modify(mrb, *a);
p1 = a->ptr;
p2 = a->ptr + a->len - 1;