Add missing expected-warning.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@185644 91177308-0d34-0410-b5e6-96231b3b80d8
Convert test to FileCheck.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@185645 91177308-0d34-0410-b5e6-96231b3b80d8
Remove test for the old debug format which was XFAILed since 2009.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@185647 91177308-0d34-0410-b5e6-96231b3b80d8
Replace 'grep foo | count 0' with 'not grep foo'.

This avoids depending on pipefail not being used.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@185648 91177308-0d34-0410-b5e6-96231b3b80d8
Relax pattern to accept a signext on ppc64.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@185649 91177308-0d34-0410-b5e6-96231b3b80d8
Looks like {{.*}} doesn't match the empty string. Fix test.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@185650 91177308-0d34-0410-b5e6-96231b3b80d8