Creating branches/google/stable and tags/google/stable/2018-12-18 from r349201

git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/google/stable@349597 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 56 insertions, 0 deletions

diff --git a/test/SemaCXX/static-assert-cxx17.cpp b/test/SemaCXX/static-assert-cxx17.cpp
new file mode 100644
index 0000000000..67b3541bea
--- /dev/null
+++ b/test/SemaCXX/static-assert-cxx17.cpp
@@ -0,0 +1,56 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++1z -triple=x86_64-linux-gnu
+
+template <typename U, typename V>
+struct S1 {
+  static constexpr const bool value = false;
+};
+
+template <typename U, typename V>
+inline constexpr bool global_inline_var = S1<U, V>::value;
+
+template <typename T>
+struct S2 {
+  template <typename U, typename V>
+  static inline constexpr bool var = global_inline_var<U, V>;
+};
+
+template <typename U, typename V>
+void foo() {
+  static_assert(S1<U, V>::value);
+  // expected-error@-1{{static_assert failed due to requirement 'S1<int, float>::value'}}
+}
+template void foo<int, float>();
+// expected-note@-1{{in instantiation of function template specialization 'foo<int, float>' requested here}}
+
+template <typename U, typename V>
+void foo2() {
+  static_assert(global_inline_var<U, V>);
+  // expected-error@-1{{static_assert failed due to requirement 'global_inline_var<int, float>'}}
+}
+template void foo2<int, float>();
+// expected-note@-1{{in instantiation of function template specialization 'foo2<int, float>' requested here}}
+
+template <typename T, typename U, typename V>
+void foo3() {
+  static_assert(T::template var<U, V>);
+  // expected-error@-1{{static_assert failed due to requirement 'S2<long>::var<int, float>'}}
+}
+template void foo3<S2<long>, int, float>();
+// expected-note@-1{{in instantiation of function template specialization 'foo3<S2<long>, int, float>' requested here}}
+
+template <typename T>
+void foo4() {
+  static_assert(S1<T[sizeof(T)], int[4]>::value, "");
+  // expected-error@-1{{static_assert failed due to requirement 'S1<float [4], int [4]>::value'}}
+};
+template void foo4<float>();
+// expected-note@-1{{in instantiation of function template specialization 'foo4<float>' requested here}}
+
+
+template <typename U, typename V>
+void foo5() {
+  static_assert(!!(global_inline_var<U, V>));
+  // expected-error@-1{{static_assert failed due to requirement '!!(global_inline_var<int, float>)'}}
+}
+template void foo5<int, float>();
+// expected-note@-1{{in instantiation of function template specialization 'foo5<int, float>' requested here}}