C++1y constexpr extensions, round 1: Allow most forms of declaration and
statement in constexpr functions. Everything which doesn't require variable
mutation is also allowed as an extension in C++11. 'void' becomes a literal
type to support constexpr functions which return 'void'.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180022 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaCXX/constant-expression-cxx11.cpp b/test/SemaCXX/constant-expression-cxx11.cpp
index 4feb076..b8f57b6 100644
--- a/test/SemaCXX/constant-expression-cxx11.cpp
+++ b/test/SemaCXX/constant-expression-cxx11.cpp
@@ -1312,6 +1312,13 @@
}
}
+namespace NamespaceAlias {
+ constexpr int f() {
+ namespace NS = NamespaceAlias; // expected-warning {{use of this statement in a constexpr function is a C++1y extension}}
+ return &NS::f != nullptr;
+ }
+}
+
// Constructors can be implicitly constexpr, even for a non-literal type.
namespace ImplicitConstexpr {
struct Q { Q() = default; Q(const Q&) = default; Q(Q&&) = default; ~Q(); }; // expected-note 3{{here}}