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-rw-r--r--ChangeLog5
-rw-r--r--include/ruby/ruby.h2
2 files changed, 6 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 9cbc5d82a6..2a5997177d 100644
--- a/ChangeLog
+++ b/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.
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index 55836a8fd4..84bce04c07 100644
--- a/include/ruby/ruby.h
+++ b/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)