Experimentally move the tautological comparison warnings from -Wsign-compare
to -Wtautological-compare.  This implies that they're now on by default.
If this causes chaos, I'll figure something else out.

llvm-svn: 112877
4 files changed
tree: cbf7f05c0e862f17686a7856f189fa61951f6cf1
  1. clang/
  2. compiler-rt/
  3. libcxx/
  4. lldb/
  5. llvm/