shyouhei	2018-01-16 18:21:07 +0900 (Tue, 16 Jan 2018)

  New Revision: 61875

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=61875

  Log:
    nested flexible array member is a GCCism
    
    This is NG. The ISO C section 6.7.2.1 explicitly states that
    structs having flexible array members "shall not be a member
    of a structure or an element of an array."

  Modified files:
    trunk/node.c
Index: node.c
===================================================================
--- node.c	(revision 61874)
+++ node.c	(revision 61875)
@@ -1042,7 +1042,7 @@ rb_node_init(NODE *n, enum node_type typ https://github.com/ruby/ruby/blob/trunk/node.c#L1042
 
 typedef struct node_buffer_elem_struct {
     struct node_buffer_elem_struct *next;
-    NODE buf[FLEX_ARY_LEN];
+    NODE buf[1];
 } node_buffer_elem_t;
 
 struct node_buffer_struct {

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