This rewrites the testcase for PR109752 to make it simpler and more
robust (i.e. no longer dependent on r13-4035-gc41bbfcaf9d6ef).
PR c++/109752
gcc/testsuite/ChangeLog:
* g++.dg/cpp2a/concepts-pr109752.C: Rename to ...
* g++.dg/cpp2a/concepts-complete4.C: ... this. Rewrite.
---
.../g++.dg/cpp2a/concepts-complete4.C | 13 ++++++++++
.../g++.dg/cpp2a/concepts-pr109752.C | 26 -------------------
2 files changed, 13 insertions(+), 26 deletions(-)
create mode 100644 gcc/testsuite/g++.dg/cpp2a/concepts-complete4.C
delete mode 100644 gcc/testsuite/g++.dg/cpp2a/concepts-pr109752.C
diff --git a/gcc/testsuite/g++.dg/cpp2a/concepts-complete4.C
b/gcc/testsuite/g++.dg/cpp2a/concepts-complete4.C
new file mode 100644
index 00000000000..988b0ddcfdd
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp2a/concepts-complete4.C
@@ -0,0 +1,13 @@
+// PR c++/109752
+// { dg-do compile { target c++20 } }
+
+template<class T>
+concept C = requires { sizeof(T); } && T::value; // { dg-error "changed from" }
+
+struct A;
+
+static_assert(!C<A>);
+
+struct A { static constexpr bool value = false; };
+
+static_assert(C<A>); // { dg-error "assert" }
diff --git a/gcc/testsuite/g++.dg/cpp2a/concepts-pr109752.C
b/gcc/testsuite/g++.dg/cpp2a/concepts-pr109752.C
deleted file mode 100644
index d54ce295e50..00000000000
--- a/gcc/testsuite/g++.dg/cpp2a/concepts-pr109752.C
+++ /dev/null
@@ -1,26 +0,0 @@
-// PR c++/109752
-// { dg-do compile { target c++20 } }
-
-template <typename _Tp, typename... _Args>
- inline constexpr bool is_constructible_v = __is_constructible(_Tp, _Args...);
- template<typename _Tp, typename _Up>
- concept __weakly_eq_cmp_with
- = requires(_Tp __t, _Up __u) { { __u != __t } ; // { dg-error "changed
from" }
- };
- template<typename _Tp>
- concept regular = is_constructible_v<_Tp> && __weakly_eq_cmp_with<_Tp,
_Tp>;
- template<typename _Iter> concept incrementable = true
-&& regular<_Iter>
-&& requires(_Iter __i) { { __i++ } ;}
-;
-template<typename D>
-struct iterator_interface
-{
- friend constexpr bool operator>=(D lhs, D rhs) requires
__weakly_eq_cmp_with<D, D> { return true; }
-};
-template<typename T>
-struct iterator : iterator_interface<iterator<T>>
-{
- bool operator==(iterator) const;
-};
-static_assert(incrementable<iterator<int>>); // { dg-error "assert" }
--
2.40.1.552.g91428f078b
