yui-knk	2017-11-03 12:49:07 +0900 (Fri, 03 Nov 2017)

  New Revision: 60629

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=60629

  Log:
    node.c: Add some comments

  Modified files:
    trunk/node.c
Index: node.c
===================================================================
--- node.c	(revision 60628)
+++ node.c	(revision 60629)
@@ -1223,13 +1223,13 @@ rb_gc_mark_node(NODE *obj) https://github.com/ruby/ruby/blob/trunk/node.c#L1223
 
 typedef struct node_buffer_elem_struct {
     struct node_buffer_elem_struct *next;
-    NODE buf[1];
+    NODE buf[1]; /* flexible array */
 } node_buffer_elem_t;
 
 struct node_buffer_struct {
     long idx, len;
     node_buffer_elem_t *head;
-    node_buffer_elem_t body;
+    node_buffer_elem_t body; /* this should be a last, because body has flexible array */
 };
 
 node_buffer_t *

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