diff --git a/test/CodeGen/CPP/2012-02-05-UnitVarCrash.ll b/test/CodeGen/CPP/2012-02-05-UnitVarCrash.ll
new file mode 100644
index 00000000000..419f5947678
--- /dev/null
+++ b/test/CodeGen/CPP/2012-02-05-UnitVarCrash.ll
@@ -0,0 +1,6 @@
+; RUN: llc < %s -march=cpp
+declare void @foo(<4 x i32>)
+define void @bar() {
+  call void @foo(<4 x i32> <i32 0, i32 1, i32 2, i32 3>)
+  ret void
+}