diff --git a/test/CFrontend/2005-03-05-OffsetOfHack.c b/test/CFrontend/2005-03-05-OffsetOfHack.c
new file mode 100644
index 00000000000..8df7231df6a
--- /dev/null
+++ b/test/CFrontend/2005-03-05-OffsetOfHack.c
@@ -0,0 +1,12 @@
+// RUN: %llvmgcc %s -S -o - 
+
+struct s {
+  unsigned long int field[0];
+};
+
+#define OFFS \
+        (((char *) &((struct s *) 0)->field[0]) - (char *) 0)
+
+int foo[OFFS];
+
+