merge revision(s) 44449: [Backport ruby#9416]

	* parse.y (local_push_gen, local_pop_gen): save cmdarg_stack to
	  isolate command argument state from outer scope.
	  [ruby-core:59342] [Bug ruby#9308]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45086 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Author: nurse

ChangeLog

@@ -1,3 +1,9 @@
+Sat Feb 22 00:21:50 2014  Nobuyoshi Nakada  <[email protected]>
+
+	* parse.y (local_push_gen, local_pop_gen): save cmdarg_stack to
+	  isolate command argument state from outer scope.
+	  [ruby-core:59342] [Bug #9308]
+
 Fri Feb 21 23:51:38 2014  Nobuyoshi Nakada  <[email protected]>
 
 	* encoding.c (must_encindex, rb_enc_from_index, rb_obj_encoding): mask

parse.y

@@ -130,6 +130,7 @@ struct local_vars {
     struct vtable *vars;
     struct vtable *used;
     struct local_vars *prev;
+    stack_type cmdargs;
 };
 
 #define DVARS_INHERIT ((void*)1)
@@ -9642,6 +9643,8 @@ local_push_gen(struct parser_params *parser, int inherit_dvars)
     local->used = !(inherit_dvars &&
 		    (ifndef_ripper(compile_for_eval || e_option_supplied(parser))+0)) &&
 	RTEST(ruby_verbose) ? vtable_alloc(0) : 0;
+    local->cmdargs = cmdarg_stack;
+    cmdarg_stack = 0;
     lvtbl = local;
 }
 
@@ -9655,6 +9658,7 @@ local_pop_gen(struct parser_params *parser)
     }
     vtable_free(lvtbl->args);
     vtable_free(lvtbl->vars);
+    cmdarg_stack = lvtbl->cmdargs;
     xfree(lvtbl);
     lvtbl = local;
 }

test/ruby/test_syntax.rb

@@ -256,6 +256,11 @@ def test_do_block_in_cmdarg_begin
     assert_valid_syntax("p begin 1.times do 1 end end", __FILE__, bug6419)
   end
 
+  def test_do_block_in_call_args
+    bug9308 = '[ruby-core:59342] [Bug #9308]'
+    assert_valid_syntax("bar def foo; self.each do end end", bug9308)
+  end
+
   def test_reserved_method_no_args
     bug6403 = '[ruby-dev:45626]'
     assert_valid_syntax("def self; :foo; end", __FILE__, bug6403)

version.h

@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.1.1"
 #define RUBY_RELEASE_DATE "2014-02-22"
-#define RUBY_PATCHLEVEL 48
+#define RUBY_PATCHLEVEL 49
 
 #define RUBY_RELEASE_YEAR 2014
 #define RUBY_RELEASE_MONTH 2