Explain passing template function as an argument

Addresses (maybe) #81055 (comment)
llvm · Mar 14, 2024 · 50d4023 · 50d4023
1 parent 730b4e7
commit 50d4023
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/libcxx/test/std/utilities/function.objects/func.bind.partial/bind_back.verify.cpp b/libcxx/test/std/utilities/function.objects/func.bind.partial/bind_back.verify.cpp
@@ -25,8 +25,9 @@ void test() {
     static_assert(f1() == 1); // expected-error {{static assertion expression is not an integral constant expression}}
   }
 
-  { // Various failures
-    auto d = std::bind_back(do_nothing, 2); // expected-error {{no matching function for call to 'bind_back'}}
+  { // Test calling `bind_back` with template function
+    auto f1 = std::bind_back(do_nothing, 2);
+    // expected-error@-1 {{no matching function for call to 'bind_back'}}
   }
 
   { // Mandates: is_constructible_v<decay_t<F>, F>