--- /dev/null
+//===- llvm/unittest/VMCore/InstructionsTest.cpp - Instructions unit tests ===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Instructions.h"
+#include "llvm/LLVMContext.h"
+#include "gtest/gtest.h"
+
+namespace llvm {
+namespace {
+
+TEST(InstructionsTest, ReturnInst_0) {
+ LLVMContext &C(getGlobalContext());
+
+ // reproduction recipe for PR6589
+ const ReturnInst* r0 = ReturnInst::Create(C);
+ EXPECT_NE(r0->op_begin(), r0->op_end());
+}
+
+} // end anonymous namespace
+} // end namespace llvm