1 files changed, 11 insertions, 0 deletions
diff --git a/test/CodeGenCXX/mangle-cxx2a.cpp b/test/CodeGenCXX/mangle-cxx2a.cpp
new file mode 100644
index 0000000000..3e4689948a
--- /dev/null
+++ b/test/CodeGenCXX/mangle-cxx2a.cpp
@@ -0,0 +1,11 @@
+// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-linux-gnu -std=c++2a | FileCheck %s
+
+namespace spaceship {
+  struct X {};
+  struct Y {};
+  int operator<=>(X, Y);
+
+  // CHECK-LABEL: define {{.*}} @_ZN9spaceship1fIiEEvDTcmltcvNS_1YE_EcvNS_1XE_EcvT__EE
+  template<typename T> void f(decltype(Y() < X(), T()) x) {}
+  template void f<int>(int);
+}