when emitting errors about CHECK-NEXT directives, show the line that the  CHECK-NEXT is on.
when emitting errors about CHECK-NEXT directives, show the line that the 
CHECK-NEXT is on.


git-svn-id: a4a6f32337ebd29ad4763b423022f00f68d1c7b7@79164 91177308-0d34-0410-b5e6-96231b3b80d8

lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx