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/CheckObjCInstMethSignature.cpp b/lib/StaticAnalyzer/Checkers/CheckObjCInstMethSignature.cpp
index 4355fe0..c076c1e 100644
--- a/lib/StaticAnalyzer/Checkers/CheckObjCInstMethSignature.cpp
+++ b/lib/StaticAnalyzer/Checkers/CheckObjCInstMethSignature.cpp
@@ -51,16 +51,16 @@
     llvm::raw_string_ostream os(sbuf);
 
     os << "The Objective-C class '"
-       << MethDerived->getClassInterface()
+       << *MethDerived->getClassInterface()
        << "', which is derived from class '"
-       << MethAncestor->getClassInterface()
+       << *MethAncestor->getClassInterface()
        << "', defines the instance method '"
        << MethDerived->getSelector().getAsString()
        << "' whose return type is '"
        << ResDerived.getAsString()
        << "'.  A method with the same name (same selector) is also defined in "
           "class '"
-       << MethAncestor->getClassInterface()
+       << *MethAncestor->getClassInterface()
        << "' and has a return type of '"
        << ResAncestor.getAsString()
        << "'.  These two types are incompatible, and may result in undefined "