nobu	2016-01-08 19:52:24 +0900 (Fri, 08 Jan 2016)

  New Revision: 53465

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=53465

  Log:
    iseq.c: volatile only on gcc4.8
    
    * iseq.c (rb_iseq_compile_with_option): no volatile on gcc other
      than 4.8.

  Modified files:
    trunk/iseq.c
Index: iseq.c
===================================================================
--- iseq.c	(revision 53464)
+++ iseq.c	(revision 53465)
@@ -606,10 +606,10 @@ rb_iseq_compile_with_option(VALUE src, V https://github.com/ruby/ruby/blob/trunk/iseq.c#L606
     const rb_iseq_t *const parent = base_block ? base_block->iseq : NULL;
     rb_compile_option_t option;
     const enum iseq_type type = parent ? ISEQ_TYPE_EVAL : ISEQ_TYPE_TOP;
-#if defined(__GNUC__) && __GNUC__ == 4 && __GNUC_MINOR__ == 8
+#if !defined(__GNUC__) || (__GNUC__ == 4 && __GNUC_MINOR__ == 8)
 # define INITIALIZED volatile /* suppress warnings by gcc 4.8 */
 #else
-# define INITIALIZED volatile
+# define INITIALIZED /* volatile */
 #endif
     /* safe results first */
     const INITIALIZED int ln = (make_compile_option(&option, opt), NUM2INT(line));

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