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

a patch from Yusuke ENDOH <mame AT tsg.ne.jp>



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14629 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Tue Dec 25 03:51:55 2007  Koichi Sasada  <ko1@atdot.net>
+
+	* compile.c (iseq_compile_each): fix stack consistency bug.
+	  a patch from Yusuke ENDOH <mame AT tsg.ne.jp>
+
 Tue Dec 25 03:19:47 2007  WATANABE Hirofumi  <eban@ruby-lang.org>
 
 	* tool/make-snapshot: must create configure and lex.c.

bootstraptest/test_syntax.rb

@@ -681,3 +681,12 @@ assert_equal 'ok', %q{
   end # direct
 }, '[ruby-core:14385]'
 
+assert_equal 'ok', %q{
+  counter = 2
+  while true
+    counter -= 1
+    break if counter == 0
+    "#{next}"
+  end
+  :ok
+}

compile.c

@@ -2973,7 +2973,7 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
 	if (iseq->compile_data->redo_label != 0) {
 	    /* next in while loop */
 	    debugs("next in while\n");
-	    pop_after_throw = 1;
+	    pop_after_throw = poped;
 	    goto next_by_throw;
 	}
 	else if (iseq->compile_data->end_label) {