diff --git a/test/CFrontend/2007-02-16-VoidPtrDiff.c b/test/CFrontend/2007-02-16-VoidPtrDiff.c
new file mode 100644
index 00000000000..713b9b28b07
--- /dev/null
+++ b/test/CFrontend/2007-02-16-VoidPtrDiff.c
@@ -0,0 +1,5 @@
+// RUN: %llvmgcc %s -S -o - -emit-llvm
+
+void foo(void *ptr, int test) {
+  (ptr - ((void *) test + 0x2000));
+}