1 files changed, 33 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/cxx1z-constexpr-lambdas.cpp b/clang/test/SemaCXX/cxx1z-constexpr-lambdas.cpp
index 4a98a1b06c8..3d5509eedf6 100644
--- a/clang/test/SemaCXX/cxx1z-constexpr-lambdas.cpp
+++ b/clang/test/SemaCXX/cxx1z-constexpr-lambdas.cpp
@@ -270,4 +270,37 @@ namespace ns1_test_lvalue_type {
 
 } // end ns test_lambda_is_cce
 
+namespace PR36054 {
+constexpr int fn() {
+  int Capture = 42;
+  return [=]() constexpr { return Capture; }();
+}
+
+static_assert(fn() == 42, "");
+
+template <class T>
+constexpr int tfn() {
+  int Capture = 42;
+  return [=]() constexpr { return Capture; }();
+}
+
+static_assert(tfn<int>() == 42, "");
+
+constexpr int gfn() {
+  int Capture = 42;
+  return [=](auto P) constexpr { return Capture + P; }(58);
+}
+
+static_assert(gfn() == 100, "");
+
+constexpr bool OtherCaptures() {
+  int Capture = 42;
+  constexpr auto Outer = [](auto P) constexpr { return 42 + P; };
+  auto Inner = [&](auto O) constexpr { return O(58) + Capture; };
+  return Inner(Outer) == 142;
+}
+
+static_assert(OtherCaptures(), "");
+} // namespace PR36054
+
 #endif // ndef CPP14_AND_EARLIER