diff --git a/clang/test/CodeGenCXX/dllexport-ctor-closure-nested.cpp        b/clang/test/CodeGenCXX/dllexport-ctor-closure-nested.cpp       
--- a/clang/test/CodeGenCXX/dllexport-ctor-closure-nested.cpp       	
+++ b/clang/test/CodeGenCXX/dllexport-ctor-closure-nested.cpp       	
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++14 \
+// RUN:    -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases \
+// RUN:    -disable-llvm-passes -o - %s -w -fms-compatibility-version=19.00 | \
+// RUN:    FileCheck %s
+
+struct HasDtor {
+  ~HasDtor();
+  int o;
+};
+struct HasImplicitDtor1 { HasDtor o; };
+struct __declspec(dllexport) CtorClosureOuter {
+  struct __declspec(dllexport) CtorClosureInner {
+    CtorClosureInner(const HasImplicitDtor1 &v = {}) {}
+  };
+};
+
+// CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FCtorClosureInner@CtorClosureOuter@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
+// CHECK-LABEL: $"??1HasImplicitDtor1@@QAE@XZ" = comdat any