* ext/date/date_core.c: [ruby-core:38855].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32955 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sat Aug 13 08:47:20 2011  Tadayoshi Funaba  <tadf@dotrb.org>
+
+	* ext/date/date_core.c: [ruby-core:38855].
+
 Sat Aug 13 03:41:37 2011  Eric Hodel  <drbrain@segment7.net>
 
 	* lib/uri/common.rb:  Fix documentation of URI::Parser.new.  Patch by

ext/date/date_core.c

@@ -4089,6 +4089,9 @@ d_new_by_frags(VALUE klass, VALUE hash, VALUE sg)
 	rb_warning("invalid start is ignored");
     }
 
+    if (NIL_P(hash))
+	rb_raise(rb_eArgError, "invalid date");
+
     if (NIL_P(ref_hash("jd")) &&
 	NIL_P(ref_hash("yday")) &&
 	!NIL_P(ref_hash("year")) &&
@@ -7853,6 +7856,9 @@ dt_new_by_frags(VALUE klass, VALUE hash, VALUE sg)
 	rb_warning("invalid start is ignored");
     }
 
+    if (NIL_P(hash))
+	rb_raise(rb_eArgError, "invalid date");
+
     if (NIL_P(ref_hash("jd")) &&
 	NIL_P(ref_hash("yday")) &&
 	!NIL_P(ref_hash("year")) &&