--- /dev/null
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// The test exposed a bug in CORINFO_HELP_ASSIGN_BYREF GC kill set on Unix x64.
+// that caused segfault.
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Security.Cryptography.X509Certificates;
+using System.Threading.Tasks;
+
+namespace Repro
+{
+ [Serializable]
+ public struct CompositeSource
+ {
+ public double? Modifier { get; set; }
+ public int InstrumentId { get; set; }
+ public string Section { get; set; }
+
+ public bool IsCash { get; set; }
+ public bool IsHedge { get; set; }
+
+ }
+
+ public class Test
+ {
+ private static readonly DateTime BaseDate = new DateTime(2012, 1, 1);
+
+ private readonly Random rng;
+
+ public int Count { get; }
+
+ public Test(Random rng, List<CompositeSource> sources)
+ {
+ this.rng = rng;
+ var holdingsAttribution = this.GetNumbers(sources);
+ var hedgeAttribution = this.GetNumbers(sources).Where(x => x.Date >= holdingsAttribution.Min(y => y.Date)).ToList();
+ this.Count = hedgeAttribution.Count;
+ }
+
+ private List<(DateTime Date, CompositeSource Key, decimal Attribution)> GetNumbers(List<CompositeSource> sources)
+ {
+ var items = new List<(DateTime Date, CompositeSource Key, decimal Attribution)>();
+
+ foreach (var _ in Enumerable.Range(0, rng.Next(1000, 10000)))
+ {
+ items.Add((
+ BaseDate.AddDays(rng.Next(1, 100)),
+ sources[rng.Next(0, sources.Count - 1)],
+ Convert.ToDecimal(rng.NextDouble() * rng.Next(1, 10))));
+ }
+
+ return items;
+ }
+ }
+
+ class Program
+ {
+ static readonly Random Rng = new Random(38237);
+
+ public static List<CompositeSource> GetCompositeSources()
+ {
+
+ var list = new List<CompositeSource>();
+ foreach (var _ in Enumerable.Range(0, 100))
+ {
+ lock (Rng)
+ {
+ list.Add(new CompositeSource
+ {
+ InstrumentId = 1,
+ IsCash = true,
+ IsHedge = true,
+ Modifier = 0.5,
+ Section = "hello"
+ });
+ }
+
+ }
+
+ return list;
+ }
+
+ static int Main()
+ {
+ Console.WriteLine("Starting stress loop");
+ var compositeSources = GetCompositeSources();
+ var res = Parallel.For(0, 10, i =>
+ {
+ int seed;
+ lock (Rng)
+ {
+ seed = Rng.Next();
+ }
+ Console.WriteLine(new Test(new Random(seed), compositeSources).Count);
+ });
+
+ Console.WriteLine("Result: {0}", res.IsCompleted ? "Completed Normally" :
+ $"Completed to {res.LowestBreakIteration}");
+ return res.IsCompleted ? 100 : -1;
+ }
+ }
+}
--- /dev/null
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
+ <PropertyGroup>
+ <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+ <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+ <AssemblyName>$(MSBuildProjectName)</AssemblyName>
+ <SchemaVersion>2.0</SchemaVersion>
+ <ProjectGuid>{ADEEA3D1-B67B-456E-8F2B-6DCCACC2D34C}</ProjectGuid>
+ <OutputType>Exe</OutputType>
+ <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+ <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
+ <CLRTestPriority>1</CLRTestPriority>
+ </PropertyGroup>
+ <!-- Default configurations to help VS understand the configurations -->
+ <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "></PropertyGroup>
+ <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "></PropertyGroup>
+ <ItemGroup>
+ <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies">
+ <Visible>False</Visible>
+ </CodeAnalysisDependentAssemblyPaths>
+ </ItemGroup>
+ <PropertyGroup>
+ <DebugType>None</DebugType>
+ <Optimize>False</Optimize>
+ </PropertyGroup>
+ <ItemGroup>
+ <Compile Include="$(MSBuildProjectName).cs" />
+ </ItemGroup>
+ <ItemGroup>
+ <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+ </ItemGroup>
+ <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
+ <PropertyGroup Condition=" '$(MsBuildProjectDirOverride)' != '' "></PropertyGroup>
+</Project>