patch 8.0.0636: when reading the undo file fails may use uninitialized data commit https://github.com/vim/vim/commit/56f2db562ddc6c69026d55360f0cfaacd8adc26a Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 11 23:09:15 2017 +0200 patch 8.0.0636: when reading the undo file fails may use uninitialized data Problem: When reading the undo file fails may use uninitialized data. Solution: Always clear the buffer on failure.

end:
2:1
2:17
2:20
3:1
3:17
3:20
5:8
5:25
5:28
6:8
6:25
6:28
8:1
8:9
8:17
8:25
8:27
9:1
9:9
9:17
9:25
9:26
9:26
9:1
9:9
9:17
9:25
9:26