Remove useless attribute set in init_mark_stack

init_mark_stack already clears the mark stack so we do not need to
set the attribute cache_size to zero.

1 files changed, 0 insertions, 1 deletions

diff --git a/gc.c b/gc.c
index e8c278fc7a..c3c84097eb 100644
--- a/gc.c
+++ b/gc.c
@@ -5574,7 +5574,6 @@ init_mark_stack(mark_stack_t *stack)
 
     MEMZERO(stack, mark_stack_t, 1);
     stack->index = stack->limit = STACK_CHUNK_SIZE;
-    stack->cache_size = 0;
 
     for (i=0; i < 4; i++) {
         add_stack_chunk_cache(stack, stack_chunk_alloc());