When a CHECK-NEXT fails because there was no match on the next line, include
the non-matching next line in the diagnostic to make the problem more obvious.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205725 91177308-0d34-0410-b5e6-96231b3b80d8
Remove an unused file.

Using this file would result in an odr violation: it defines an llvm::Interval
class that conflicts with the one in Analysis/Interval.h.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205726 91177308-0d34-0410-b5e6-96231b3b80d8