Revert r110396 to fix buildbots.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110410 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/IPConstantPropagation.cpp b/lib/Transforms/IPO/IPConstantPropagation.cpp
index 1b3cf78..762935e 100644
--- a/lib/Transforms/IPO/IPConstantPropagation.cpp
+++ b/lib/Transforms/IPO/IPConstantPropagation.cpp
@@ -35,7 +35,7 @@
   ///
   struct IPCP : public ModulePass {
     static char ID; // Pass identification, replacement for typeid
-    IPCP() : ModulePass(ID) {}
+    IPCP() : ModulePass(&ID) {}
 
     bool runOnModule(Module &M);
   private: