8013873: Regexp regression for escaped dash in character class
Reviewed-by: jlaskey
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8
64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64
1,1,8,1,1,8,1,1,8,1,1,8,1,1,8,1,1,8,1,1,8,1,1,8,1,1,8