What steps will reproduce the problem?
(1) goto https://codereview.chromium.org/2306413002/diff/100001/src/ast/scopes.cc
(2) click on the show context link after line 475 of the original file
(3) notice that a new comment appears in the expanded block

What is the expected output?

The comment should have been visible without me clicking on show context.

What do you see instead?

It wasn't

Please use labels and text to provide additional information.