1 files changed, 16 insertions, 0 deletions
diff --git a/clang/test/SemaTemplate/instantiate-after-fatal-cxx17.cpp b/clang/test/SemaTemplate/instantiate-after-fatal-cxx17.cpp
new file mode 100644
index 00000000000..3e0ddf1ae60
--- /dev/null
+++ b/clang/test/SemaTemplate/instantiate-after-fatal-cxx17.cpp
@@ -0,0 +1,16 @@
+// RUN: not %clang_cc1 -std=c++17 -fsyntax-only -ferror-limit 1 %s 2>&1 | FileCheck %s
+
+#error Error 1
+#error Error 2
+// CHECK: fatal error: too many errors emitted, stopping now
+
+namespace rdar39051732 {
+
+  template<class T> struct A {
+    template <class U> A(T&, ...);
+  };
+  // Deduction guide triggers constructor instantiation.
+  template<class T> A(const T&, const T&) -> A<T&>;
+
+}
+