Improve the diagnostics used to report implicitly-generated class members
as parts of overload sets.  Also, refer to constructors as 'constructors'
rather than functions.

Adjust a lot of tests.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92832 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaTemplate/instantiate-expr-4.cpp b/test/SemaTemplate/instantiate-expr-4.cpp
index c524e95..06fd229 100644
--- a/test/SemaTemplate/instantiate-expr-4.cpp
+++ b/test/SemaTemplate/instantiate-expr-4.cpp
@@ -21,8 +21,8 @@
 
 template struct FunctionalCast0<5>;
 
-struct X { // expected-note 3 {{candidate function}}
-  X(int, int); // expected-note 3 {{candidate function}}
+struct X { // expected-note 3 {{candidate is the implicit copy constructor}}
+  X(int, int); // expected-note 3 {{candidate constructor}}
 };
 
 template<int N, int M>