--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/PCH/cxx0x-delegating-ctors.cpp	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,24 @@
+// Test this without pch.
+// RUN: %clang_cc1 -include %s -std=c++11 -fsyntax-only -verify %s
+
+// Test with pch.
+// RUN: %clang_cc1 -x c++-header -std=c++11 -emit-pch -o %t %s
+// RUN: %clang_cc1 -std=c++11 -include-pch %t -fsyntax-only -verify %s 
+
+#ifndef PASS1
+#define PASS1
+struct foo {
+  foo(int) : foo() { }
+  foo();
+  foo(bool) : foo('c') { }
+  foo(char) : foo(true) { }
+};
+#else
+foo::foo() : foo(1) { } // expected-error{{creates a delegation cycle}} \
+                        // expected-note{{which delegates to}}
+
+// expected-note@11{{it delegates to}}
+// expected-note@13{{it delegates to}}
+// expected-error@14{{creates a delegation cycle}}
+// expected-note@14{{which delegates to}}
+#endif