3 files changed, 16 insertions, 0 deletions
diff --git a/clang/test/PCH/remap-file-from-pch.cpp b/clang/test/PCH/remap-file-from-pch.cpp
new file mode 100644
index 00000000000..f8a4cbe5c65
--- /dev/null
+++ b/clang/test/PCH/remap-file-from-pch.cpp
@@ -0,0 +1,10 @@
+//  %clang_cc1 -remap-file "%s;%S/Inputs/remapped-file" -fsyntax-only %s 2>&1 | FileCheck -check-prefix=CHECK-EXIST %s
+
+// RUN: %clang_cc1 -x c++-header %s.h -emit-pch -o %t.pch
+// RUN: %clang_cc1 %s -include-pch %t.pch -remap-file "%s.h;%s.remap.h" -fsyntax-only 2>&1 | FileCheck %s
+
+const char *str = STR;
+int ge = zool;
+
+// CHECK: file '{{.*}}/remap-file-from-pch.cpp.h' from the precompiled header has been overridden
+// CHECK: use of undeclared identifier 'zool'
diff --git a/clang/test/PCH/remap-file-from-pch.cpp.h b/clang/test/PCH/remap-file-from-pch.cpp.h
new file mode 100644
index 00000000000..0edf6aa7cd3
--- /dev/null
+++ b/clang/test/PCH/remap-file-from-pch.cpp.h
@@ -0,0 +1,2 @@
+
+#define STR "nexus"
diff --git a/clang/test/PCH/remap-file-from-pch.cpp.remap.h b/clang/test/PCH/remap-file-from-pch.cpp.remap.h
new file mode 100644
index 00000000000..e8e8ab7e4bd
--- /dev/null
+++ b/clang/test/PCH/remap-file-from-pch.cpp.remap.h
@@ -0,0 +1,4 @@
+
+#define STR          "nexus"
+
+int zool;