* re.c (rb_reg_regsub): returns -1 unless ascii as well as

rb_enc_ascget().  [ruby-dev:37097]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20237 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Sat Nov 15 22:46:32 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* re.c (rb_reg_regsub): returns -1 unless ascii as well as
+	  rb_enc_ascget().  [ruby-dev:37097]
+
 Sat Nov 15 22:23:45 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* configure.in (LDSHARED): do not suppress debug info if higher debug

re.c

@@ -3141,7 +3141,7 @@ rb_reg_regsub(VALUE str, VALUE src, struct re_registers *regs, VALUE regexp)
     rb_encoding *str_enc = rb_enc_get(str);
     rb_encoding *src_enc = rb_enc_get(src);
     int acompat = rb_enc_asciicompat(str_enc);
-#define ASCGET(s,e,cl) (acompat ? (*cl=1,s[0]) : rb_enc_ascget(s, e, cl, str_enc))
+#define ASCGET(s,e,cl) (acompat ? (*cl=1,ISASCII(s[0])?s[0]:-1) : rb_enc_ascget(s, e, cl, str_enc))
 
     p = s = RSTRING_PTR(str);
     e = s + RSTRING_LEN(str);