diff options
Diffstat (limited to 'src/array.c')
| -rw-r--r-- | src/array.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/array.c b/src/array.c index f3d29faec..2e8cf1116 100644 --- a/src/array.c +++ b/src/array.c @@ -533,6 +533,7 @@ mrb_ary_unshift_m(mrb_state *mrb, mrb_value self) if (ARY_SHARED_P(a) && a->aux.shared->refcnt == 1 /* shared only referenced from this array */ && a->ptr - a->aux.shared->ptr >= len) /* there's room for unshifted item */ { + ary_modify_check(mrb, a); a->ptr -= len; } else { |