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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36652 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/UnreachableBlockElim.cpp b/lib/CodeGen/UnreachableBlockElim.cpp
index f66a771..24ee42e 100644
--- a/lib/CodeGen/UnreachableBlockElim.cpp
+++ b/lib/CodeGen/UnreachableBlockElim.cpp
@@ -35,10 +35,10 @@
   class VISIBILITY_HIDDEN UnreachableBlockElim : public FunctionPass {
     virtual bool runOnFunction(Function &F);
   public:
-    static const int ID; // Pass identifcation, replacement for typeid
+    static const char ID; // Pass identifcation, replacement for typeid
     UnreachableBlockElim() : FunctionPass((intptr_t)&ID) {}
   };
-  const int UnreachableBlockElim::ID = 0;
+  const char UnreachableBlockElim::ID = 0;
   RegisterPass<UnreachableBlockElim>
   X("unreachableblockelim", "Remove unreachable blocks from the CFG");
 }