* include/ruby/ruby.h (NUM2CHR): prefix __extension__ for

braced-groups within expressions.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25643 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Wed Nov  4 15:50:16 2009  URABE Shyouhei  <shyouhei@ruby-lang.org>
+
+	* include/ruby/ruby.h (NUM2CHR): prefix __extension__ for
+	  braced-groups within expressions.
+
 Wed Nov  4 15:46:30 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ruby.c (set_{internal,external}_encoding_once): fixed typos.

include/ruby/ruby.h

@@ -962,7 +962,7 @@ ULONG2NUM(unsigned long v)
 #define NUM2CHR_internal(x) (((TYPE(x) == T_STRING)&&(RSTRING_LEN(x)>=1))?\
                      RSTRING_PTR(x)[0]:(char)(NUM2INT(x)&0xff))
 #ifdef __GNUC__
-# define NUM2CHR(x) ({VALUE num2chr_x = (x); NUM2CHR_internal(num2chr_x);})
+# define NUM2CHR(x) __extension__ ({VALUE num2chr_x = (x); NUM2CHR_internal(num2chr_x);})
 #else
 static inline char
 NUM2CHR(VALUE x)