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/Instrumentation/RSProfiling.h b/llvm/lib/Transforms/Instrumentation/RSProfiling.h
index 3f7d92f..c1250a2 100644
--- a/llvm/lib/Transforms/Instrumentation/RSProfiling.h
+++ b/llvm/lib/Transforms/Instrumentation/RSProfiling.h
@@ -17,7 +17,7 @@
   /// RSProfilers_std - a simple support class for profilers that handles most
   /// of the work of chaining and tracking inserted code.
   struct RSProfilers_std : public RSProfilers {
-    static const int ID;
+    static const char ID;
     std::set<Value*> profcode;
     // Lookup up values in profcode
     virtual bool isProfiling(Value* v);