Reapply r110396, with fixes to appease the Linux buildbot gods.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110460 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/LoopUnswitch.cpp

@@ -92,7 +92,7 @@ namespace {
   public:
     static char ID; // Pass ID, replacement for typeid
     explicit LoopUnswitch(bool Os = false) : 
-      LoopPass(&ID), OptimizeForSize(Os), redoLoop(false), 
+      LoopPass(ID), OptimizeForSize(Os), redoLoop(false), 
       currentLoop(NULL), DF(NULL), DT(NULL), loopHeader(NULL),
       loopPreheader(NULL) {}