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/fun-template-def.cpp b/test/SemaTemplate/fun-template-def.cpp
index 0c2cf9c..b17a0fa 100644
--- a/test/SemaTemplate/fun-template-def.cpp
+++ b/test/SemaTemplate/fun-template-def.cpp
@@ -8,7 +8,7 @@
 // Fake typeid, lacking a typeinfo header.
 namespace std { class type_info {}; }
 
-struct dummy {}; // expected-note 3 {{candidate function}}
+struct dummy {}; // expected-note 3 {{candidate is the implicit copy constructor}}
 
 template<typename T>
 int f0(T x) {