diff --git a/test/Assembler/2007-02-07-RenameInternals.ll b/test/Assembler/2007-02-07-RenameInternals.ll
new file mode 100644
index 00000000000..56b005810ca
--- /dev/null
+++ b/test/Assembler/2007-02-07-RenameInternals.ll
@@ -0,0 +1,11 @@
+; PR1187
+; RUN: llvm-upgrade < %s > /dev/null
+
+implementation 
+internal void %func(int %x) {
+  ret void
+}
+
+internal void %func(int %x) {
+  ret void
+}