Clear all the linetable state in clear(), fixing problems
with "clang t.i s.i" where the .i files contain line markers.
rdar://6667812


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66619 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed