It is otherwise impossible to determine which test failed sanitizer/valgrind check. test/functional/helpers.lua module return was changed so that tests which do not provide after_each function to get new check will automatically fail.
Problem: Crash when using expand('%:S') in a buffer without a name. Solution: Don't set a NUL. (James McCoy, closes vim/vim#714) 52c6eaffd4
52c6eaffd4
Problem: Old style test for fnamemodify(). Solution: Turn it into a new style test. 610cc1b9b3
610cc1b9b3