--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/PCH/chain-conversion-lookup.cpp	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 %s -emit-llvm -o - -chain-include %s -chain-include %s
+
+#if !defined(PASS1)
+#define PASS1
+struct X {
+  operator int*();
+};
+
+struct Z {
+  operator int*();
+};
+#elif !defined(PASS2)
+#define PASS2
+struct Y {
+  operator int *();
+};
+#else
+int main() {
+  X x;
+  int *ip = x.operator int*();
+  Y y;
+  int *ip2 = y.operator int*();
+  Z z;
+  int *ip3 = z.operator int*();
+}
+#endif