Tests for regexp with backslash and other special characters inside []

STARTTEST
:set nocompatible viminfo+=nviminfo
/[\x]
x/[\t\]]
x/[]y]
x/[\]]
x/[y^]
x/[$y]
x:?start?,$w! test.out
:qa!
ENDTEST

start
test \text test text
test 	text test text
test text ]test text
test ]text test text
test text te^st text
test te$xt test text