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/default-expr-arguments.cpp b/test/SemaTemplate/default-expr-arguments.cpp
index 0edc504..9ec2e9e 100644
--- a/test/SemaTemplate/default-expr-arguments.cpp
+++ b/test/SemaTemplate/default-expr-arguments.cpp
@@ -5,7 +5,7 @@
 template<>
 C<char>::C(int a0);
 
-struct S { }; // expected-note 3 {{candidate function}}
+struct S { }; // expected-note 3 {{candidate is the implicit copy constructor}}
 
 template<typename T> void f1(T a, T b = 10) { } // expected-error{{no viable conversion}}