diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/src/JIT/Regression/JitBlue/GitHub_11814/GitHub_11814.cs | 45 | ||||
| -rw-r--r-- | tests/src/JIT/Regression/JitBlue/GitHub_11814/GitHub_11814.csproj | 43 |
2 files changed, 88 insertions, 0 deletions
diff --git a/tests/src/JIT/Regression/JitBlue/GitHub_11814/GitHub_11814.cs b/tests/src/JIT/Regression/JitBlue/GitHub_11814/GitHub_11814.cs new file mode 100644 index 0000000000..16ca8c2f27 --- /dev/null +++ b/tests/src/JIT/Regression/JitBlue/GitHub_11814/GitHub_11814.cs @@ -0,0 +1,45 @@ +// 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. + +// Repro case for a bug involving failure to rewrite all references +// to a promoted implicit byref struct parameter. + +using System; +using System.Runtime.CompilerServices; + +class MutateStructArg +{ + public struct P + { + public string S; + public int X; + } + + public static int Main() + { + P l1 = new P(); + l1.S = "Hello World"; + l1.X = 42; + P l2 = foo(l1); + Console.WriteLine(l2.S); // Print modified value "Goodbye World" + if ((l2.S == "Goodbye World") && (l2.X == 100)) + { + return 100; // success + } + else + { + Console.WriteLine("**** Test FAILED ***"); + return 1; // failure + } + } + + [MethodImpl(MethodImplOptions.NoInlining)] + public static P foo(P a) + { + Console.WriteLine(a.S); // Print the incoming value "Hello World" + a.S = "Goodbye World"; // Mutate the incoming value + a.X = 100; + return a; // Copy the modified value to the return value (bug was that this was returning original unmodified arg) + } +} diff --git a/tests/src/JIT/Regression/JitBlue/GitHub_11814/GitHub_11814.csproj b/tests/src/JIT/Regression/JitBlue/GitHub_11814/GitHub_11814.csproj new file mode 100644 index 0000000000..2db21106fd --- /dev/null +++ b/tests/src/JIT/Regression/JitBlue/GitHub_11814/GitHub_11814.csproj @@ -0,0 +1,43 @@ +<?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>$(MSBuildProjectName)</AssemblyName> + <SchemaVersion>2.0</SchemaVersion> + <ProjectGuid>{7B521917-193E-48BB-86C6-FE013F3DFF35}</ProjectGuid> + <OutputType>Exe</OutputType> + <AppDesignerFolder>Properties</AppDesignerFolder> + <FileAlignment>512</FileAlignment> + <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids> + <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\11.0\UITestExtensionPackages</ReferencePath> + <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir> + + <NuGetPackageImportStamp>7a9bfb7d</NuGetPackageImportStamp> + </PropertyGroup> + <!-- Default configurations to help VS understand the configurations --> + <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> + </PropertyGroup> + <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> + </PropertyGroup> + <ItemGroup> + <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies"> + <Visible>False</Visible> + </CodeAnalysisDependentAssemblyPaths> + </ItemGroup> + <PropertyGroup> + <DebugType></DebugType> + <Optimize>True</Optimize> + <AllowUnsafeBlocks>True</AllowUnsafeBlocks> + </PropertyGroup> + <ItemGroup> + <Compile Include="GitHub_11814.cs" /> + </ItemGroup> + <ItemGroup> + <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" /> + </ItemGroup> + <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" /> + <PropertyGroup Condition=" '$(MsBuildProjectDirOverride)' != '' "> + </PropertyGroup> +</Project> |