--- a/gcc/testsuite/g++.dg/cpp1z/lambda-this1.C	Fri Oct 27 22:46:09 2017 +0900
+++ b/gcc/testsuite/g++.dg/cpp1z/lambda-this1.C	Thu Oct 25 07:37:49 2018 +0900
@@ -15,7 +15,7 @@
     auto g = [*this] { a++; };		// { dg-error "in read-only object" }
 					// { dg-error "'*this' capture only available with" "" { target c++14_down } .-1 }
     auto h = [*this] () mutable { a++; };// { dg-error "'*this' capture only available with" "" { target c++14_down } }
-    auto i = [=] { return a; };
+    auto i = [=] { return a; };		// { dg-warning "implicit capture" "" { target c++2a } }
     auto j = [&] { return a; };
     // P0409R2 - C++2A lambda capture [=, this]
     auto k = [=, this] { return a; };// { dg-error "explicit by-copy capture of 'this' redundant with by-copy capture default" "" { target c++17_down } }
@@ -50,7 +50,7 @@
   double foo () {
     return [this]{ return [*this] { return b; }; }()();	// { dg-error "'*this' capture only available with" "" { target c++14_down } }
   }
-  double bar () {
+  void bar () {
     auto c = []{ return [*this] { return b; }; };	// { dg-error "'this' was not captured for this lambda function" }
   }							// { dg-error "invalid use of non-static data member 'B::b'" "" { target *-*-* } .-1 }
 };							// { dg-error "'*this' capture only available with" "" { target c++14_down } .-2 }
@@ -62,7 +62,7 @@
     auto d = [this] { return c; };
     auto e = [*this] { return c; };	// { dg-error "use of deleted function" }
 					// { dg-error "'*this' capture only available with" "" { target c++14_down } .-1 }
-    auto f = [=] { return c; };
+    auto f = [=] { return c; };		// { dg-warning "implicit capture" "" { target c++2a } }
     auto g = [&] { return c; };
     auto h = [this] { bar (); };
     auto i = [*this] { bar (); };	// { dg-error "use of deleted function" }
@@ -77,7 +77,7 @@
     auto e = [this] { return d; };
     auto f = [*this] { return d; };	// { dg-error "use of deleted function" }
 					// { dg-error "'*this' capture only available with" "" { target c++14_down } .-1 }
-    auto g = [=] { return d; };
+    auto g = [=] { return d; };		// { dg-warning "implicit capture" "" { target c++2a } }
     auto h = [&] { return d; };
     auto i = [this] { bar (); };
     auto j = [*this] { bar (); };	// { dg-error "use of deleted function" }