From b4aa884f06ee5c40f88e90f312ea6b31c120f308 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 26 Dec 2016 13:31:03 +0000
Subject: [PATCH] parse.y: preserve cmdarg stack

* parse.y (do_body): preserve cmdarg stack around do/end block.
  [ruby-core:78837] [Bug #13073]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57198 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 parse.y                  | 2 +-
 test/ruby/test_syntax.rb | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/parse.y b/parse.y
index 85cbc37331..8a800bbd50 100644
--- a/parse.y
+++ b/parse.y
@@ -3762,7 +3762,7 @@ brace_body	: {$<vars>$ = dyna_push();}
 		;
 
 do_body 	: {$<vars>$ = dyna_push();}
-		  {$<val>$ = cmdarg_stack >> 1; CMDARG_SET(0);}
+		  {$<val>$ = cmdarg_stack; CMDARG_SET(0);}
 		  opt_block_param compstmt
 		    {
 			$$ = new_do_body($3, $4);
diff --git a/test/ruby/test_syntax.rb b/test/ruby/test_syntax.rb
index 3e6212e27c..f40f15316b 100644
--- a/test/ruby/test_syntax.rb
+++ b/test/ruby/test_syntax.rb
@@ -917,6 +917,15 @@ eom
     end
   end
 
+  def test_do_block_in_hash_brace
+    bug13073 = '[ruby-core:78837] [Bug #13073]'
+    assert_valid_syntax 'p :foo, {a: proc do end, b: proc do end}', bug13073
+    assert_valid_syntax 'p :foo, {:a => proc do end, b: proc do end}', bug13073
+    assert_valid_syntax 'p :foo, {"a": proc do end, b: proc do end}', bug13073
+    assert_valid_syntax 'p :foo, {** proc do end, b: proc do end}', bug13073
+    assert_valid_syntax 'p :foo, {proc do end => proc do end, b: proc do end}', bug13073
+  end
+
   def test_do_after_local_variable
     obj = Object.new
     def obj.m; yield; end