lower the interface to getLineNumber like we did for
getColumnNumber.  This fixes a FIXME in 
SourceManager::getPresumedLoc because we now just decompose
the sloc once.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63701 91177308-0d34-0410-b5e6-96231b3b80d8
9 files changed