diff options
Diffstat (limited to 'array.c')
-rw-r--r-- | array.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -3461,12 +3461,14 @@ rb_ary_permutation(int argc, VALUE *argv, VALUE ary) volatile VALUE t1 = tmpbuf(n,sizeof(int)); int *used = (int*)RSTRING_PTR(t1); VALUE ary0 = ary_make_substitution(ary); /* private defensive copy of ary */ + RBASIC(ary0)->klass = 0; for (i = 0; i < n; i++) used[i] = 0; /* initialize array */ permute0(n, r, p, 0, used, ary0); /* compute and yield permutations */ RB_GC_GUARD(t0); RB_GC_GUARD(t1); + RBASIC(ary0)->klass = rb_cArray; } return ary; } |