commit https://github.com/vim/vim/commit/0a38dd29d6f65aa601162542a5ab0ba7f308fc8e Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 25 16:49:01 2015 +0200 patch 7.4.836 Problem: Accessing unitinialized memory. Solution: Add missing calls to init_tv(). (Dominique Pelle)

Test A:
  - file name displayed: test://bar.txt
  - quickfix claims that the file name displayed is: test://bar.txt
Test B:
  - number of window open: 2
Test C:
  - 'buftype' of the location list window: quickfix
  - buffer displayed in the 2nd window: test://quux.txt