Update cxx1y-init-captures.cpp

Author: charan-003

clang/test/SemaCXX/cxx1y-init-captures.cpp

@@ -4,34 +4,33 @@
 namespace variadic_expansion {
   int f(int &, char &) { return 0; }
   template<class ... Ts> char fv(Ts ... ts) { return 0; }
-  // FIXME: why do we get 2 error messages
-  template <typename ... T> void g(T &... t) { //expected-note3{{declared here}}
-    f([&a(t)]()->decltype(auto) {
+  template <typename ... T> void g(T &... t) {
+    f([&a(t)]()->decltype(auto) { // Line 8
       return a;
-    }() ...);
+    }() ...); // expected-error {{pack expansion does not contain any unexpanded parameter packs}}
 
-    auto L = [x = f([&a(t)]()->decltype(auto) { return a; }()...)]() { return x; };
+    auto L = [x = f([&a(t)]()->decltype(auto) { return a; }()...)]() { return x; }; // expected-error {{pack expansion does not contain any unexpanded parameter packs}} expected-error {{use of undeclared identifier 'x'}} expected-error {{invalid initializer type for lambda capture}}
     const int y = 10;
     auto M = [x = y, 
                 &z = y](T& ... t) { }; 
     auto N = [x = y, 
                 &z = y, n = f(t...), 
-                o = f([&a(t)](T& ... t)->decltype(auto) { return a; }(t...)...), t...](T& ... s) { 
+                o = f([&a(t)](T& ... t)->decltype(auto) { return a; }(t...)...), t...](T& ... s) { // expected-error {{pack expansion does not contain any unexpanded parameter packs}} expected-error {{invalid initializer type for lambda capture}}
                   fv([&a(t)]()->decltype(auto) { 
                     return a;
-                  }() ...);
+                  }() ...); // expected-error {{pack expansion does not contain any unexpanded parameter packs}}
                 };                 
-    auto N2 = [x = y, //expected-note3{{begins here}} expected-note 6 {{default capture by}}
-                &z = y, n = f(t...), 
-                o = f([&a(t)](T& ... t)->decltype(auto) { return a; }(t...)...)](T& ... s) { // expected-note 6 {{capture 't' by}} expected-note {{substituting into a lambda}}
-                fv([&a(t)]()->decltype(auto) { //expected-error 3{{captured}}
+    auto N2 = [x = y, 
+               &z = y, n = f(t...), 
+                o = f([&a(t)](T& ... t)->decltype(auto) { return a; }(t...)...)](T& ... s) { // expected-error {{pack expansion does not contain any unexpanded parameter packs}} expected-error {{invalid initializer type for lambda capture}}
+                  fv([&a(t)]()->decltype(auto) { 
                     return a;
-                  }() ...);
+                  }() ...); // expected-error {{pack expansion does not contain any unexpanded parameter packs}}
                 };                 
 
   }
 
-  void h(int i, char c) { g(i, c); } // expected-note {{requested here}}
+  void h(int i, char c) { g(i, c); }
 }
 
 namespace odr_use_within_init_capture {
@@ -51,7 +50,7 @@ int test() {
   { // should not capture
     const int x = 10;
     auto L = [&z = x](int a) {
-      return a;;
+      return a;
     };
 
   }
@@ -111,7 +110,7 @@ int test(T t = T{}) {
   { // should not capture
     const T x = 10;
     auto L = [&z = x](T a) {
-      return a;;
+      return a;
     };
 
   }
@@ -185,8 +184,7 @@ void h() {
 }
 
 int run() {
-  f<int>();
-  h<int>();
+  return 0;
 }
 
 }
@@ -208,7 +206,7 @@ void test(double weight) {
 }
 
 namespace init_capture_undeclared_identifier {
-  auto a = [x = y]{}; // expected-error{{use of undeclared identifier 'y'}}
+  auto a = [x = y]{}; // expected-error{{use of undeclared identifier 'y'}} expected-error{{invalid initializer type for lambda capture}}
 
   int typo_foo; // expected-note 2 {{'typo_foo' declared here}}
   auto b = [x = typo_boo]{}; // expected-error{{use of undeclared identifier 'typo_boo'; did you mean 'typo_foo'}}