Don't try keeping a 'LeadingEmptyMacroLoc' in NullStmt. This fails
in the face of buffering C++/ObjC method bodies.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138972 91177308-0d34-0410-b5e6-96231b3b80d8
8 files changed