--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/Index/pch-with-errors.c	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,44 @@
+#ifndef HEADER
+#define HEADER
+
+#include "blahblah.h"
+void erroneous(int);
+void erroneous(float);
+
+struct bar;
+struct zed {
+  bar g;
+};
+struct baz {
+  zed h;
+};
+
+void errparm(zed e);
+
+struct S {
+  {
+;
+
+#else
+
+void foo(void) {
+  erroneous(0);
+}
+
+#endif
+
+// RUN: c-index-test -write-pch %t.h.pch %s -Xclang -detailed-preprocessing-record
+// RUN: c-index-test -test-load-source local %s -include %t.h -Xclang -detailed-preprocessing-record | FileCheck -check-prefix=CHECK-PARSE %s
+// RUN: c-index-test -index-file %s -include %t.h -Xclang -detailed-preprocessing-record | FileCheck -check-prefix=CHECK-INDEX %s
+
+// CHECK-PARSE: pch-with-errors.c:{{.*}}:6: FunctionDecl=foo
+// CHECK-PARSE: pch-with-errors.c:{{.*}}:3: CallExpr=erroneous
+
+// CHECK-INDEX: [indexDeclaration]: kind: function | name: foo
+// CHECK-INDEX: [indexEntityReference]: kind: function | name: erroneous
+
+// RUN: not %clang -fsyntax-only %s -include %t.h 2>&1 | FileCheck -check-prefix=PCH-ERR %s
+// PCH-ERR: error: PCH file contains compiler errors
+
+// RUN: not c-index-test -write-pch %t.pch foobar.c 2>&1 | FileCheck -check-prefix=NONEXISTENT %s
+// NONEXISTENT: Unable to load translation unit