begin humbly with a repro of PR6589

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98623 91177308-0d34-0410-b5e6-96231b3b80d8

unittests/VMCore/InstructionsTest.cpp

@@ -0,0 +1,26 @@
+//===- 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