[PATCH] D145362: [clang] Update test according to P1937

[Mariya Podchishchaeva via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGd0db54e0dd32: [clang] Update test according to P1937 (authored by Fznamznon).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D145362/new/

https://reviews.llvm.org/D145362

Files:
  clang/test/CXX/expr/expr.const/p8-2a.cpp


Index: clang/test/CXX/expr/expr.const/p8-2a.cpp
===================================================================
--- clang/test/CXX/expr/expr.const/p8-2a.cpp
+++ clang/test/CXX/expr/expr.const/p8-2a.cpp
@@ -2,7 +2,7 @@
 
 // expected-no-diagnostics
 
-namespace P1073R3 {
+namespace P1937R2 {
 struct N {
   constexpr N() {}
   N(N const&) = delete;
@@ -11,12 +11,22 @@
 template<typename T> constexpr void bad_assert_copyable() { T t; T t2 = t; }
 using ineffective = decltype(bad_assert_copyable<N>());
 
-// bad_assert_copyable<N> is not needed for constant evaluation
-// (and thus not instantiated)
 template<typename T> consteval void assert_copyable() { T t; T t2 = t; }
+// Prior to P1937R2 consteval functions were evaluated even in otherwise
+// unevaluated context, now this is well-formed.
 using check = decltype(assert_copyable<N>());
-// FIXME: this should give an error because assert_copyable<N> is instantiated
-// (because it is needed for constant evaluation), but the attempt to copy t is
-// ill-formed.
-} // namespace P1073R3
+
+template<typename T>
+__add_rvalue_reference(T) declval();
+
+constexpr auto add1(auto lhs, auto rhs) {
+    return lhs + rhs;
+}
+using T = decltype(add1(declval<int>(), declval<int>()));
+
+consteval auto add2(auto lhs, auto rhs) {
+    return lhs + rhs;
+}
+using T = decltype(add2(declval<int>(), declval<int>()));
+} // namespace P1937R2
 


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