Use an OwningPtr for the preamble buffer in ASTUnit. This plugs a leak
where we failed to free this buffer along one of the paths, and
detangles the code a little.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119379 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed