Remove unused variable in array.c

array.c:460:14: warning: unused variable 'len' [-Wunused-variable]
        long len  = ARY_HEAP_LEN(ary);

1 files changed, 0 insertions, 1 deletions

diff --git a/array.c b/array.c
index c0b49340c6..f398ac8e52 100644
--- a/array.c
+++ b/array.c
@@ -457,7 +457,6 @@ rb_ary_transient_heap_evacuate_(VALUE ary, int transient, int promote)
         VALUE *new_ptr;
         const VALUE *old_ptr = ARY_HEAP_PTR(ary);
         long capa = ARY_HEAP_CAPA(ary);
-        long len  = ARY_HEAP_LEN(ary);
 
         assert(ARY_OWNS_HEAP_P(ary));
         assert(RARRAY_TRANSIENT_P(ary));