Fix -Wunused-private-field to fire regardless of which implicit special members have been implicitly declared.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@317076 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 18 insertions, 1 deletions

diff --git a/test/SemaCXX/unused.cpp b/test/SemaCXX/unused.cpp
index ba9ab2363b..abaf611b0d 100644
--- a/test/SemaCXX/unused.cpp
+++ b/test/SemaCXX/unused.cpp
@@ -6,7 +6,7 @@
 // PR4103 : Make sure we don't get a bogus unused expression warning
 namespace PR4103 {
   class APInt {
-    char foo;
+    char foo; // expected-warning {{private field 'foo' is not used}}
   };
   class APSInt : public APInt {
     char bar; // expected-warning {{private field 'bar' is not used}}
diff --git a/test/SemaCXX/warn-unused-private-field.cpp b/test/SemaCXX/warn-unused-private-field.cpp
index fb34fa98ea..fe44122a1d 100644
--- a/test/SemaCXX/warn-unused-private-field.cpp
+++ b/test/SemaCXX/warn-unused-private-field.cpp
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -fsyntax-only -Wunused-private-field -Wused-but-marked-unused -Wno-uninitialized -verify -std=c++11 %s
+// RUN: %clang_cc1 -fsyntax-only -Wunused-private-field -Wused-but-marked-unused -Wno-uninitialized -verify -std=c++17 %s
 
 class NotFullyDefined {
  public:
@@ -246,3 +247,19 @@ namespace pr13543 {
     X x[4]; // no-warning
   };
 }
+
+class implicit_special_member {
+public:
+  static implicit_special_member make() { return implicit_special_member(); }
+
+private:
+  int n; // expected-warning{{private field 'n' is not used}}
+};
+
+class defaulted_special_member {
+public:
+  defaulted_special_member(const defaulted_special_member&) = default;
+
+private:
+  int n; // expected-warning{{private field 'n' is not used}}
+};