This fixes a memory leak in OpaqueType found by Google's internal heapchecker.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91611 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 31 insertions, 0 deletions

diff --git a/unittests/VMCore/DerivedTypesTest.cpp b/unittests/VMCore/DerivedTypesTest.cpp
new file mode 100644
index 00000000000..11b4dffb5f4
--- /dev/null
+++ b/unittests/VMCore/DerivedTypesTest.cpp
@@ -0,0 +1,31 @@
+//===- llvm/unittest/VMCore/DerivedTypesTest.cpp - Types unit tests -------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "gtest/gtest.h"
+#include "../lib/VMCore/LLVMContextImpl.h"
+#include "llvm/Type.h"
+#include "llvm/DerivedTypes.h"
+#include "llvm/LLVMContext.h"
+using namespace llvm;
+
+namespace {
+
+TEST(OpaqueTypeTest, RegisterWithContext) {
+  LLVMContext C;
+  LLVMContextImpl *pImpl = C.pImpl;  
+
+  EXPECT_EQ(0u, pImpl->OpaqueTypes.size());
+  {
+    PATypeHolder Type = OpaqueType::get(C);
+    EXPECT_EQ(1u, pImpl->OpaqueTypes.size());
+  }
+  EXPECT_EQ(0u, pImpl->OpaqueTypes.size());
+}
+
+}  // namespace