Switch labels over to using normal name lookup, instead of their 
own weird little DenseMap.  Hey look, we now emit unused label
warnings deterministically, amazing.

llvm-svn: 125813
11 files changed
tree: 48201a06f7cc1cd16a336ef2adda3a2b73a9a663
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. lldb/
  6. llvm/