merges r26055 from trunk into ruby_1_9_1. This fixies ruby#3164.

yugui · yugui · commit 4fcb855ff382 · 2010-05-03T09:12:36.000Z
--
* parse.y (dyna_pop_gen): pop dvars.  [ruby-dev:39861]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@27596 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Dec 10 01:12:55 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* parse.y (dyna_pop_gen): pop dvars.  [ruby-dev:39861]
+
 Sat Dec  5 13:19:29 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* configure.in: default ac_cv_prog_CC to CC.
diff --git a/bootstraptest/test_syntax.rb b/bootstraptest/test_syntax.rb
@@ -877,3 +877,10 @@ def x@; nil; end
     end
   end
 }, bug2415
+
+assert_normal_exit %q{
+  a {
+    b {|c.d| }
+    e
+  }
+}, '[ruby-dev:39861]'
diff --git a/parse.y b/parse.y
@@ -8951,13 +8951,10 @@ dyna_push_gen(struct parser_params *parser)
 }
 
 static void
-dyna_pop_gen(struct parser_params *parser, const struct vtable *lvargs)
+dyna_pop_1(struct parser_params *parser)
 {
     struct vtable *tmp;
 
-    while (lvtbl->args != lvargs) {
-	local_pop();
-    }
     tmp = lvtbl->args;
     lvtbl->args = lvtbl->args->prev;
     vtable_free(tmp);
@@ -8966,6 +8963,20 @@ dyna_pop_gen(struct parser_params *parser, const struct vtable *lvargs)
     vtable_free(tmp);
 }
 
+static void
+dyna_pop_gen(struct parser_params *parser, const struct vtable *lvargs)
+{
+    while (lvtbl->args != lvargs) {
+	dyna_pop_1(parser);
+	if (!lvtbl->args) {
+	    struct local_vars *local = lvtbl->prev;
+	    xfree(lvtbl);
+	    lvtbl = local;
+	}
+    }
+    dyna_pop_1(parser);
+}
+
 static int
 dyna_in_block_gen(struct parser_params *parser)
 {
