Change operator<< for raw_ostream and NamedDecl to take a reference instead of a pointer.

Passing a pointer was a bad idea as it collides with the overload for void*.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141971 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Checkers/DeadStoresChecker.cpp b/lib/StaticAnalyzer/Checkers/DeadStoresChecker.cpp
index df66aaf..901af43 100644
--- a/lib/StaticAnalyzer/Checkers/DeadStoresChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/DeadStoresChecker.cpp
@@ -114,7 +114,7 @@
 
       case DeadInit:
         BugType = "Dead initialization";
-        os << "Value stored to '" << V
+        os << "Value stored to '" << *V
            << "' during its initialization is never read";
         break;
 
@@ -122,7 +122,7 @@
         BugType = "Dead increment";
       case Standard:
         if (!BugType) BugType = "Dead assignment";
-        os << "Value stored to '" << V << "' is never read";
+        os << "Value stored to '" << *V << "' is never read";
         break;
 
       case Enclosing: