mame	2018-01-13 21:17:42 +0900 (Sat, 13 Jan 2018)

  New Revision: 61806

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=61806

  Log:
    variable.c (struct gen_ivtbl): Use FLEX_ARY_LEN.

  Modified files:
    trunk/variable.c
Index: variable.c
===================================================================
--- variable.c	(revision 61805)
+++ variable.c	(revision 61806)
@@ -34,7 +34,7 @@ static st_table *generic_iv_tbl_compat; https://github.com/ruby/ruby/blob/trunk/variable.c#L34
 /* per-object */
 struct gen_ivtbl {
     uint32_t numiv;
-    VALUE ivptr[1]; /* flexible array */
+    VALUE ivptr[FLEX_ARY_LEN];
 };
 
 struct ivar_update {
@@ -1001,7 +1001,7 @@ generic_ivar_get(VALUE obj, ID id, VALUE https://github.com/ruby/ruby/blob/trunk/variable.c#L1001
 static size_t
 gen_ivtbl_bytes(size_t n)
 {
-    return sizeof(struct gen_ivtbl) + n * sizeof(VALUE) - sizeof(VALUE);
+    return sizeof(struct gen_ivtbl) + n * sizeof(VALUE);
 }
 
 static struct gen_ivtbl *

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