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patch 8.1.0804: crash when setting v:errmsg to empty list

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Problem:    Crash when setting v:errmsg to empty list. (Jaon Franklin)
Solution:   Separate getting value and assigning result.
This commit is contained in:
Bram Moolenaar
2019-01-24 13:58:11 +01:00
parent ad36a3588d
commit 4b9e91f0ba
3 changed files with 18 additions and 2 deletions
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7
src/testdir/test_eval_stuff.vim
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@@ -87,3 +87,10 @@ func Test_readfile_binary()
bwipe!
call delete('XReadfile')
endfunc
func Test_let_errmsg()
call assert_fails('let v:errmsg = []', 'E730:')
let v:errmsg = ''
call assert_fails('let v:errmsg = []', 'E730:')
let v:errmsg = ''
endfunc