--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/PCH/pch-through4a.cpp	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,16 @@
+// expected-no-diagnostics
+// Create PCH with a through header.
+// RUN: %clang_cc1 -verify -I %S -emit-pch \
+// RUN: -pch-through-header=Inputs/pch-through1.h \
+// RUN:   -fms-extensions -o %t.pch -x c++-header %s
+
+// Create the PCH object
+// RUN: %clang_cc1 -verify -I %S -emit-obj -include-pch %t.pch \
+// RUN:   -pch-through-header=Inputs/pch-through1.h \
+// RUN:   -fms-extensions -o %t.obj -x c++ %s
+
+#define Source(x,y)
+#define InOut(size) Source(InOut, (size))
+void f(InOut(a) char *b, unsigned long a);
+#include "Inputs/pch-through1.h"
+int other;