[PCH] When validating that the files coming from PCH did not change, also
validate that we didn't override the contents of any of such files.
If this is detected, emit a diagnostic error and recover gracefully
by using the contents of the original file that the PCH was built from.
Part of rdar://11305263
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156107 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/PCH/remap-file-from-pch.cpp.h b/test/PCH/remap-file-from-pch.cpp.h
new file mode 100644
index 0000000..0edf6aa
--- /dev/null
+++ b/test/PCH/remap-file-from-pch.cpp.h
@@ -0,0 +1,2 @@
+
+#define STR "nexus"