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

1 files changed, 17 insertions, 0 deletions

diff --git a/test/ruby/test_call.rb b/test/ruby/test_call.rb
index 2cef0e5c66..04966f40f7 100644
--- a/test/ruby/test_call.rb
+++ b/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