* compile.c (iseq_compile_each): fix stack consistency error.

a patch from Yusuke ENDOH <mame AT tsg.ne.jp>  [ruby-dev:32720]
* bootstraptest/test_syntax.rb: add 2 tests for above.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14643 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

bootstraptest/test_syntax.rb

@@ -690,3 +690,25 @@ assert_equal 'ok', %q{
   end
   :ok
 }
+
+assert_equal 'ok', %q{
+  counter = 2
+  while true
+    counter -= 1
+    break if counter == 0
+    next 
+    redo
+  end
+  :ok
+}
+
+assert_equal 'ok', %q{
+  counter = 2
+  while true
+    counter -= 1
+    break if counter == 0
+    next 
+    "#{ redo }"
+  end
+  :ok
+}