* variable.c (rb_path2class): get rid of dangling pointer caused by

	  optimized out value.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@13146 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Wed Aug 22 08:52:02 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* variable.c (rb_path2class): get rid of dangling pointer caused by
+	  optimized out value.
+
 Wed Aug 22 08:51:20 2007  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* ext/dl/lib/dl/win32.rb: seems that dl doesn't accept void argument.

variable.c

@@ -241,16 +241,21 @@ rb_path2class(path)
     const char *pbeg, *p;
     ID id;
     VALUE c = rb_cObject;
+    VALUE str = 0;
 
     if (path[0] == '#') {
 	rb_raise(rb_eArgError, "can't retrieve anonymous class %s", path);
     }
     pbeg = p = path;
     while (*p) {
-	VALUE str;
-
 	while (*p && *p != ':') p++;
-	str = rb_str_new(pbeg, p-pbeg);
+	if (str) {
+	    RSTRING(str)->len = 0;
+	    rb_str_cat(str, pbeg, p-pbeg);
+	}
+	else {
+	    str = rb_str_new(pbeg, p-pbeg);
+	}
 	id = rb_intern(RSTRING(str)->ptr);
 	if (p[0] == ':') {
 	    if (p[1] != ':') goto undefined_class;

version.h

@@ -2,7 +2,7 @@
 #define RUBY_RELEASE_DATE "2007-08-22"
 #define RUBY_VERSION_CODE 186
 #define RUBY_RELEASE_CODE 20070822
-#define RUBY_PATCHLEVEL 47
+#define RUBY_PATCHLEVEL 48
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8