Add spec

spec/compiler/parser/parser_spec.cr

@@ -2822,6 +2822,32 @@ module Crystal
         else_node_location.line_number.should eq 7
       end
 
+      it "sets the correct location for MacroExpressions in a MacroFor" do
+        parser = Parser.new <<-CR
+          {% for key in %w[foo bar] %}
+            {{key}}
+          {% end %}
+          CR
+
+        node = parser.parse.should be_a MacroFor
+        location = node.location.should_not be_nil
+        location.line_number.should eq 1
+        location.column_number.should eq 1
+
+        body_node = node.body.should be_a Expressions
+        body_node_location = body_node.location.should_not be_nil
+        body_node_location.line_number.should eq 1
+        body_node_location = body_node.end_location.should_not be_nil
+        body_node_location.line_number.should eq 3
+
+        then_node_location = body_node.expressions[1].location.should_not be_nil
+        then_node_location.line_number.should eq 2
+        then_node_location.column_number.should eq 3
+        then_node_location = body_node.expressions[1].end_location.should_not be_nil
+        then_node_location.line_number.should eq 2
+        then_node_location.column_number.should eq 8
+      end
+
       it "sets correct location of Begin within another node" do
         parser = Parser.new(<<-CR)
           macro finished