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-rw-r--r--array.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/array.c b/array.c
index 7eb27cd..5953dfc 100644
--- a/array.c
+++ b/array.c
@@ -4984,7 +4984,7 @@ rb_ary_permutation(int argc, VALUE *argv, VALUE ary)
}
else { /* this is the general case */
volatile VALUE t0;
- long *p = (long*)ALLOCV(t0, r*sizeof(long)+n*sizeof(char));
+ long *p = ALLOCV_N(long, t0, r+roomof(n, sizeof(long)));
char *used = (char*)(p + r);
VALUE ary0 = ary_make_shared_copy(ary); /* private defensive copy of ary */
RBASIC_CLEAR_CLASS(ary0);