Add a new InsertText method that does the check to see if the insertion was valid.  This
fixes crashes where the insertion point was in a macro.  Instead of crashing, we want
to emit a warning.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@46621 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed