diff --git a/test/FrontendC/2008-08-07-GEPIntToPtr.c b/test/FrontendC/2008-08-07-GEPIntToPtr.c
new file mode 100644
index 00000000000..3ef3b66b88f
--- /dev/null
+++ b/test/FrontendC/2008-08-07-GEPIntToPtr.c
@@ -0,0 +1,14 @@
+// RUN: %llvmgcc -S %s -o - | grep {i8 1}
+// PR2603
+
+struct A {
+  char num_fields;
+};
+
+struct B {
+  char a, b[1];
+};
+
+const struct A Foo = {
+  (char *)(&( (struct B *)(16) )->b[0]) - (char *)(16)
+};