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/CondPropagate.cpp b/llvm/lib/Transforms/Scalar/CondPropagate.cpp
index 4f41b1b..c1dd9ed 100644
--- a/llvm/lib/Transforms/Scalar/CondPropagate.cpp
+++ b/llvm/lib/Transforms/Scalar/CondPropagate.cpp
@@ -31,7 +31,7 @@
 
 namespace {
   struct VISIBILITY_HIDDEN CondProp : public FunctionPass {
-    static const int ID; // Pass identifcation, replacement for typeid
+    static const char ID; // Pass identifcation, replacement for typeid
     CondProp() : FunctionPass((intptr_t)&ID) {}
 
     virtual bool runOnFunction(Function &F);
@@ -49,7 +49,7 @@
     void RevectorBlockTo(BasicBlock *FromBB, BasicBlock *ToBB);
   };
   
-  const int CondProp::ID = 0;
+  const char CondProp::ID = 0;
   RegisterPass<CondProp> X("condprop", "Conditional Propagation");
 }