mame	2018-01-13 21:09:24 +0900 (Sat, 13 Jan 2018)

  New Revision: 61805

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=61805

  Log:
    node.c (node_buffer_elem_t): Use FLEX_ARY_LEN

  Modified files:
    trunk/node.c
Index: node.c
===================================================================
--- node.c	(revision 61804)
+++ node.c	(revision 61805)
@@ -1034,7 +1034,7 @@ rb_node_init(NODE *n, enum node_type typ https://github.com/ruby/ruby/blob/trunk/node.c#L1034
 
 typedef struct node_buffer_elem_struct {
     struct node_buffer_elem_struct *next;
-    NODE buf[1]; /* flexible array */
+    NODE buf[FLEX_ARY_LEN];
 } node_buffer_elem_t;
 
 struct node_buffer_struct {
@@ -1046,7 +1046,7 @@ struct node_buffer_struct { https://github.com/ruby/ruby/blob/trunk/node.c#L1046
 static node_buffer_t *
 rb_node_buffer_new(void)
 {
-    node_buffer_t *nb = xmalloc(offsetof(node_buffer_t, body) + offsetof(node_buffer_elem_t, buf) + 16 * sizeof(NODE));
+    node_buffer_t *nb = xmalloc(sizeof(node_buffer_t) + 16 * sizeof(NODE));
     nb->idx = 0;
     nb->len = 16;
     nb->head = &nb->body;

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