Use 'static const char' instead of 'static const int'.
Due to darwin gcc bug, one version of darwin linker coalesces
static const int, which defauts PassID based pass identification.

llvm-svn: 36652
diff --git a/llvm/lib/Transforms/Scalar/PredicateSimplifier.cpp b/llvm/lib/Transforms/Scalar/PredicateSimplifier.cpp
index ce2741bd..f9f8713 100644
--- a/llvm/lib/Transforms/Scalar/PredicateSimplifier.cpp
+++ b/llvm/lib/Transforms/Scalar/PredicateSimplifier.cpp
@@ -1989,7 +1989,7 @@
     std::vector<DominatorTree::Node *> WorkList;
 
   public:
-    static const int ID; // Pass identifcation, replacement for typeid
+    static const char ID; // Pass identifcation, replacement for typeid
     PredicateSimplifier() : FunctionPass((intptr_t)&ID) {}
 
     bool runOnFunction(Function &F);
@@ -2377,7 +2377,7 @@
     }
   }
 
-  const int PredicateSimplifier::ID = 0;
+  const char PredicateSimplifier::ID = 0;
   RegisterPass<PredicateSimplifier> X("predsimplify",
                                       "Predicate Simplifier");
 }