diff --git a/test/SemaCXX/array-bound-merge.cpp b/test/SemaCXX/array-bound-merge.cpp
new file mode 100644
index 0000000..579c793
--- /dev/null
+++ b/test/SemaCXX/array-bound-merge.cpp
@@ -0,0 +1,9 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+// PR5515
+
+extern int a[];
+int a[10];
+extern int b[10];
+int b[];
+extern int c[1];
+int c[] = {1,2}; // expected-error {{excess elements in array initializer}}