From 7d5955a8e80ee516a2ae99932b8cb68c3071f0c6 Mon Sep 17 00:00:00 2001
From: Youssef1313 <youssefvictor00@gmail.com>
Date: Fri, 31 Dec 2021 18:13:01 +0200
Subject: [PATCH] Add CompilerGeneratedAttribute to record members

---
 .../Records/SynthesizedRecordEqualityOperatorBase.cs | 11 +++++++++++
 .../Records/SynthesizedRecordOrdinaryMethod.cs       | 12 ++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/src/Compilers/CSharp/Portable/Symbols/Synthesized/Records/SynthesizedRecordEqualityOperatorBase.cs b/src/Compilers/CSharp/Portable/Symbols/Synthesized/Records/SynthesizedRecordEqualityOperatorBase.cs
index a85df5e9f7b81..e3f3d3ce862d2 100644
--- a/src/Compilers/CSharp/Portable/Symbols/Synthesized/Records/SynthesizedRecordEqualityOperatorBase.cs
+++ b/src/Compilers/CSharp/Portable/Symbols/Synthesized/Records/SynthesizedRecordEqualityOperatorBase.cs
@@ -6,7 +6,9 @@
 using System.Diagnostics;
 using System.Globalization;
 using System.Threading;
+using Microsoft.CodeAnalysis.CSharp.Emit;
 using Microsoft.CodeAnalysis.CSharp.Syntax;
+using Microsoft.CodeAnalysis.PooledObjects;
 using Roslyn.Utilities;
 
 namespace Microsoft.CodeAnalysis.CSharp.Symbols
@@ -73,5 +75,14 @@ protected sealed override (TypeWithAnnotations ReturnType, ImmutableArray<Parame
         }
 
         protected override int GetParameterCountFromSyntax() => 2;
+
+        internal override void AddSynthesizedAttributes(PEModuleBuilder moduleBuilder, ref ArrayBuilder<SynthesizedAttributeData> attributes)
+        {
+            base.AddSynthesizedAttributes(moduleBuilder, ref attributes);
+            Debug.Assert(IsImplicitlyDeclared);
+            var compilation = this.DeclaringCompilation;
+            AddSynthesizedAttribute(ref attributes, compilation.TrySynthesizeAttribute(WellKnownMember.System_Runtime_CompilerServices_CompilerGeneratedAttribute__ctor));
+            Debug.Assert(WellKnownMembers.IsSynthesizedAttributeOptional(WellKnownMember.System_Runtime_CompilerServices_CompilerGeneratedAttribute__ctor));
+        }
     }
 }
diff --git a/src/Compilers/CSharp/Portable/Symbols/Synthesized/Records/SynthesizedRecordOrdinaryMethod.cs b/src/Compilers/CSharp/Portable/Symbols/Synthesized/Records/SynthesizedRecordOrdinaryMethod.cs
index ec7928198b68e..99e854649fd35 100644
--- a/src/Compilers/CSharp/Portable/Symbols/Synthesized/Records/SynthesizedRecordOrdinaryMethod.cs
+++ b/src/Compilers/CSharp/Portable/Symbols/Synthesized/Records/SynthesizedRecordOrdinaryMethod.cs
@@ -3,9 +3,12 @@
 // See the LICENSE file in the project root for more information.
 
 using System.Collections.Immutable;
+using System.Diagnostics;
 using System.Globalization;
 using System.Threading;
+using Microsoft.CodeAnalysis.CSharp.Emit;
 using Microsoft.CodeAnalysis.CSharp.Syntax;
+using Microsoft.CodeAnalysis.PooledObjects;
 using Roslyn.Utilities;
 
 namespace Microsoft.CodeAnalysis.CSharp.Symbols
@@ -60,6 +63,15 @@ protected sealed override void CheckConstraintsForExplicitInterfaceType(Conversi
         {
         }
 
+        internal override void AddSynthesizedAttributes(PEModuleBuilder moduleBuilder, ref ArrayBuilder<SynthesizedAttributeData> attributes)
+        {
+            base.AddSynthesizedAttributes(moduleBuilder, ref attributes);
+            Debug.Assert(IsImplicitlyDeclared);
+            var compilation = this.DeclaringCompilation;
+            AddSynthesizedAttribute(ref attributes, compilation.TrySynthesizeAttribute(WellKnownMember.System_Runtime_CompilerServices_CompilerGeneratedAttribute__ctor));
+            Debug.Assert(WellKnownMembers.IsSynthesizedAttributeOptional(WellKnownMember.System_Runtime_CompilerServices_CompilerGeneratedAttribute__ctor));
+        }
+
         protected sealed override SourceMemberMethodSymbol? BoundAttributesSource => null;
 
         internal sealed override OneOrMany<SyntaxList<AttributeListSyntax>> GetAttributeDeclarations() => OneOrMany.Create(default(SyntaxList<AttributeListSyntax>));