--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/PCH/va_arg.c	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,19 @@
+// Test this without pch.
+// RUN: %clang_cc1 -triple=x86_64-unknown-freebsd7.0 -include %S/va_arg.h %s -emit-llvm -o -
+// REQUIRES: x86-registered-target
+
+// Test with pch.
+// RUN: %clang_cc1 -triple=x86_64-unknown-freebsd7.0 -emit-pch -o %t %S/va_arg.h
+// RUN: %clang_cc1 -triple=x86_64-unknown-freebsd7.0 -include-pch %t %s -emit-llvm -o -
+
+char *g0(char** argv, int argc) { return argv[argc]; }
+
+char *g(char **argv) {
+  f(g0, argv, 1, 2, 3);
+}
+
+char *i0(char **argv, int argc) { return argv[argc]; }
+
+char *i(char **argv) {
+  h(i0, argv, 1, 2, 3);
+}