nobu	2017-07-30 23:59:40 +0900 (Sun, 30 Jul 2017)

  New Revision: 59451

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=59451

  Log:
    UNALIGNED_MEMBER_ACCESS only for clang
    
    * eval_intern.h (UNALIGNED_MEMBER_ACCESS): enable only on clang.
      gcc does not complain about pointers to member of unaligned
      struct.

  Modified files:
    trunk/eval_intern.h
Index: eval_intern.h
===================================================================
--- eval_intern.h	(revision 59450)
+++ eval_intern.h	(revision 59451)
@@ -157,7 +157,8 @@ LONG WINAPI rb_w32_stack_overflow_handle https://github.com/ruby/ruby/blob/trunk/eval_intern.h#L157
 # define VAR_NOCLOBBERED(var) var
 #endif
 
-#if defined(USE_UNALIGNED_MEMBER_ACCESS) && USE_UNALIGNED_MEMBER_ACCESS
+#if defined(USE_UNALIGNED_MEMBER_ACCESS) && USE_UNALIGNED_MEMBER_ACCESS && \
+    defined(__clang__)
 # define UNALIGNED_MEMBER_ACCESS(expr) __extension__({ \
     _Pragma("GCC diagnostic push"); \
     _Pragma("GCC diagnostic ignored \"-Waddress-of-packed-member\""); \

--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/