Implement a new warning for when adding a default argument to a method

makes it into a special member function. This is very bad and can lead
to all sorts of nastiness including implicit member functions violating
the One Definition Rule. This should probably be made ill-formed in a
later version of the standard, but for now we'll just warn.

llvm-svn: 132104

1 files changed, 2 insertions, 2 deletions

diff --git a/clang/test/SemaCXX/copy-constructor-error.cpp b/clang/test/SemaCXX/copy-constructor-error.cpp
index 9809bfc84bb..64a7d58e19e 100644
--- a/clang/test/SemaCXX/copy-constructor-error.cpp
+++ b/clang/test/SemaCXX/copy-constructor-error.cpp
@@ -13,10 +13,10 @@ void g() {
 namespace PR6064 {
   struct A {
     A() { }
-    inline A(A&, int);
+    inline A(A&, int); // expected-note {{was not a special member function}}
   };
 
-  A::A(A&, int = 0) { }
+  A::A(A&, int = 0) { } // expected-warning {{makes this constructor a copy constructor}}
 
   void f() {
     A const a;