Implement implicit conversions for pointers-to-member.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62971 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaType.cpp b/lib/Sema/SemaType.cpp
index 21db14a..d62e767 100644
--- a/lib/Sema/SemaType.cpp
+++ b/lib/Sema/SemaType.cpp
@@ -561,7 +561,8 @@
         DeclType.Mem.TypeQuals &= ~QualType::Restrict;
       }
 
-      T = Context.getMemberPointerType(T, ClsType.getTypePtr());
+      T = Context.getMemberPointerType(T, ClsType.getTypePtr()).
+                    getQualifiedType(DeclType.Mem.TypeQuals);
 
       break;
     }
@@ -660,7 +661,13 @@
     return true;
   }
 
-  // FIXME: pointer-to-member types
+  const MemberPointerType *T1MPType = T1->getAsMemberPointerType(),
+                          *T2MPType = T2->getAsMemberPointerType();
+  if (T1MPType && T2MPType) {
+    T1 = T1MPType->getPointeeType();
+    T2 = T2MPType->getPointeeType();
+    return true;
+  }
   return false;
 }