1 files changed, 5 insertions, 3 deletions
diff --git a/re.c b/re.c
index ac73732d39..8bc15c1cfb 100644
--- a/re.c
+++ b/re.c
@@ -261,7 +261,7 @@ rb_reg_source(re)
     VALUE re;
 {
     VALUE str = rb_str_new(0,0);
-    rb_reg_expr_str(str, RREGEXP(re)->str,RREGEXP(re)->len);
+    rb_reg_expr_str(str, RREGEXP(re)->str, RREGEXP(re)->len);
 
     return str;
 }
@@ -710,7 +710,7 @@ static VALUE
 match_string(match)
     VALUE match;
 {
-    return rb_str_dup(RMATCH(match)->str);
+    return RMATCH(match)->str;	/* str is frozen */
 }
 
 VALUE rb_cRegexp;
@@ -1263,7 +1263,9 @@ Init_Regexp()
     rb_global_variable(&reg_cache);
     rb_global_variable(&matchcache);
 
-    rb_cMatch  = rb_define_class("MatchingData", rb_cData);
+    rb_cMatch  = rb_define_class("MatchingData", rb_cObject);
+    rb_undef_method(CLASS_OF(rb_cMatch), "new");
+
     rb_define_method(rb_cMatch, "clone", match_clone, 0);
     rb_define_method(rb_cMatch, "size", match_size, 0);
     rb_define_method(rb_cMatch, "length", match_size, 0);