Fix memory leak in TestClangASTContext.TestRecordHasFields

[teemperor]

Summary

We can't use unique_ptr's here because we use those variables as out parameters to some functions. Discovered by the memory sanitizer.

unittests/Symbol/TestClangASTContext.cpp

 //===-- TestClangASTContext.cpp ---------------------------------------*- C++
 //-*-===//
 
 //
 //                     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 "clang/AST/DeclCXX.h"
+
 #include "lldb/Host/HostInfo.h"
 #include "lldb/Symbol/ClangASTContext.h"
 #include "lldb/Symbol/ClangUtil.h"
 #include "lldb/Symbol/Declaration.h"
 #include "lldb/Symbol/GoASTContext.h"
 
 using namespace clang;
 using namespace lldb;
TEST_F(TestClangASTContext, TestRecordHasFields) {
   CXXRecordDecl *empty_derived_non_empty_vbase_cxx_decl =
       m_ast->GetAsCXXRecordDecl(empty_derived2.GetOpaqueQualType());
   RecordDecl *empty_derived_non_empty_vbase_decl =
       ClangASTContext::GetAsRecordDecl(empty_derived2);
   EXPECT_EQ(1u, ClangASTContext::GetNumBaseClasses(
                    empty_derived_non_empty_vbase_cxx_decl, false));
   EXPECT_TRUE(
       ClangASTContext::RecordHasFields(empty_derived_non_empty_vbase_decl));
+
+  delete non_empty_base_spec;
+  delete non_empty_vbase_spec;
 }
 
 TEST_F(TestClangASTContext, TemplateArguments) {
   ClangASTContext::TemplateParameterInfos infos;
   infos.names.push_back("T");
   infos.args.push_back(TemplateArgument(m_ast->getASTContext()->IntTy));
   infos.names.push_back("I");
   llvm::APSInt arg(llvm::APInt(8, 47));