parse.y: fix block_call&.call

* parse.y (block_command, block_call): fix `&.` calls after
  block_call.  [Feature #11537]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53138 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Wed Dec 16 10:49:51 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* parse.y (block_command, block_call): fix `&.` calls after
+	  block_call.  [Feature #11537]
+
 Wed Dec 16 00:53:45 2015  Naohisa Goto  <ngotogenome@gmail.com>
 
 	* lib/webrick/utils.rb (WEBrick::Utils::TimeoutHandler): Acquire

parse.y

@@ -1413,7 +1413,7 @@ block_command	: block_call
 		| block_call call_op2 operation2 command_args
 		    {
 		    /*%%%*/
-			$$ = NEW_CALL($1, $3, $4);
+			$$ = NEW_QCALL($2, $1, $3, $4);
 		    /*%
 			$$ = dispatch3(call, $1, $2, $3);
 			$$ = method_arg($$, $4);
@@ -3626,7 +3626,7 @@ block_call	: command do_block
 		| block_call call_op2 operation2 opt_paren_args
 		    {
 		    /*%%%*/
-			$$ = NEW_CALL($1, $3, $4);
+			$$ = NEW_QCALL($2, $1, $3, $4);
 		    /*%
 			$$ = dispatch3(call, $1, $2, $3);
 			$$ = method_optarg($$, $4);
@@ -3636,7 +3636,7 @@ block_call	: command do_block
 		    {
 		    /*%%%*/
 			block_dup_check($4, $5);
-			$5->nd_iter = NEW_CALL($1, $3, $4);
+			$5->nd_iter = NEW_QCALL($2, $1, $3, $4);
 			$$ = $5;
 			fixpos($$, $1);
 		    /*%
@@ -3648,7 +3648,7 @@ block_call	: command do_block
 		    {
 		    /*%%%*/
 			block_dup_check($4, $5);
-			$5->nd_iter = NEW_CALL($1, $3, $4);
+			$5->nd_iter = NEW_QCALL($2, $1, $3, $4);
 			$$ = $5;
 			fixpos($$, $1);
 		    /*%

test/ruby/test_call.rb

@@ -65,4 +65,21 @@ class TestCall < Test::Unit::TestCase
     o.x&.at(proc.call)
     assert_equal(1, count)
   end
+
+  def test_safe_call_block_command
+    assert_nil(("a".sub! "b" do end&.foo 1))
+  end
+
+  def test_safe_call_block_call
+    assert_nil(("a".sub! "b" do end&.foo))
+  end
+
+  def test_safe_call_block_call_brace
+    assert_nil(("a".sub! "b" do end&.foo {}))
+    assert_nil(("a".sub! "b" do end&.foo do end))
+  end
+
+  def test_safe_call_block_call_command
+    assert_nil(("a".sub! "b" do end&.foo 1 do end))
+  end
 end