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-rw-r--r--validation/preprocessor20.c4
-rw-r--r--validation/preprocessor20.h6
2 files changed, 10 insertions, 0 deletions
diff --git a/validation/preprocessor20.c b/validation/preprocessor20.c
new file mode 100644
index 00000000..68c0ccc1
--- /dev/null
+++ b/validation/preprocessor20.c
@@ -0,0 +1,4 @@
+#include "preprocessor20.h"
+#define X
+#define Y
+#include "preprocessor20.h"
diff --git a/validation/preprocessor20.h b/validation/preprocessor20.h
new file mode 100644
index 00000000..322c543a
--- /dev/null
+++ b/validation/preprocessor20.h
@@ -0,0 +1,6 @@
+#ifdef X
+B
+#endif
+#ifndef Y
+A
+#endif