* parse.y (stmt): local variable declaration order was changed

since 1.6

* parse.y (arg): ditto.

* pack.c (pack_pack): add templates 'q' and 'Q'.

* pack.c (pack_unpack): ditto.

* bignum.c (rb_quad_pack): new utility function.

* bignum.c (rb_quad_unpack): ditto.

* parse.y (assignable): should emit CVASGN within the method
  body.

* dir.c (dir_s_glob): should not warn even if no match found.

* eval.c (rb_eval): clean up class variable behavior.

* eval.c (assign): ditto.

* eval.c (is_defined): ditto.

* variable.c (rb_mod_class_variables): need not to call rb_cvar_singleton().

* variable.c (rb_cvar_singleton): removed.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2063 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

sample/test.rb

@@ -1288,6 +1288,43 @@ foobar = "foobar"
 $_ = foobar
 test_ok($_ == foobar)
 
+class Gods
+  @@rule = "Uranus"
+  def ruler0
+    @@rule
+  end
+
+  def self.ruler1		# <= per method definition style
+    @@rule
+  end		   
+  class << self			# <= multiple method definition style
+    def ruler2
+      @@rule
+    end
+  end
+end
+
+module Olympians
+ @@rule ="Zeus"
+ def ruler3
+    @@rule
+  end
+end
+
+class Titans < Gods
+  @@rule = "Cronus"
+  include Olympians           	# OK to cause warning (intentional)
+end
+
+test_ok(Gods.new.ruler0 == "Cronus")
+test_ok(Gods.ruler1 == "Cronus")
+test_ok(Gods.ruler2 == "Cronus")
+test_ok(Titans.ruler1 == "Cronus")
+test_ok(Titans.ruler2 == "Cronus")
+atlas = Titans.new
+test_ok(atlas.ruler0 == "Cronus")
+test_ok(atlas.ruler3 == "Zeus")
+
 test_check "trace"
 $x = 1234
 $y = 0