ReferenceEqualityComparer (#78350)

Author: tmat

src/Compilers/CSharp/Portable/Binder/Binder.CapturedParametersFinder.cs

@@ -8,7 +8,6 @@
 using Microsoft.CodeAnalysis.CSharp.Syntax;
 using Microsoft.CodeAnalysis.PooledObjects;
 using Roslyn.Utilities;
-using ReferenceEqualityComparer = Roslyn.Utilities.ReferenceEqualityComparer;
 
 namespace Microsoft.CodeAnalysis.CSharp
 {

src/Compilers/CSharp/Portable/Binder/LocalBinderFactory.cs

@@ -13,7 +13,6 @@
 using System.Collections.Immutable;
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
-using ReferenceEqualityComparer = Roslyn.Utilities.ReferenceEqualityComparer;
 
 namespace Microsoft.CodeAnalysis.CSharp
 {

src/Compilers/CSharp/Portable/CodeGen/Optimizer.cs

@@ -17,7 +17,6 @@
 using Microsoft.CodeAnalysis.PooledObjects;
 using Microsoft.CodeAnalysis.Text;
 using Roslyn.Utilities;
-using ReferenceEqualityComparer = Roslyn.Utilities.ReferenceEqualityComparer;
 
 namespace Microsoft.CodeAnalysis.CSharp.CodeGen
 {

src/Compilers/CSharp/Portable/Compiler/MethodCompiler.cs

@@ -22,7 +22,6 @@
 using Microsoft.CodeAnalysis.ErrorReporting;
 using Microsoft.CodeAnalysis.PooledObjects;
 using Roslyn.Utilities;
-using ReferenceEqualityComparer = Roslyn.Utilities.ReferenceEqualityComparer;
 
 namespace Microsoft.CodeAnalysis.CSharp
 {

src/Compilers/CSharp/Portable/Emitter/EditAndContinue/CSharpSymbolMatcher.cs

@@ -17,7 +17,6 @@
 using Microsoft.CodeAnalysis.PooledObjects;
 using Microsoft.CodeAnalysis.Symbols;
 using Roslyn.Utilities;
-using ReferenceEqualityComparer = Roslyn.Utilities.ReferenceEqualityComparer;
 
 namespace Microsoft.CodeAnalysis.CSharp.Emit
 {

src/Compilers/CSharp/Portable/Emitter/Model/PEModuleBuilder.cs

@@ -19,7 +19,6 @@
 using Microsoft.CodeAnalysis.Emit;
 using Microsoft.CodeAnalysis.PooledObjects;
 using Roslyn.Utilities;
-using ReferenceEqualityComparer = Roslyn.Utilities.ReferenceEqualityComparer;
 
 namespace Microsoft.CodeAnalysis.CSharp.Emit
 {

src/Compilers/CSharp/Portable/Emitter/NoPia/EmbeddedType.cs

@@ -11,7 +11,6 @@
 using Microsoft.CodeAnalysis.CSharp.Symbols;
 using Microsoft.CodeAnalysis.Emit;
 using Roslyn.Utilities;
-using ReferenceEqualityComparer = Roslyn.Utilities.ReferenceEqualityComparer;
 
 #if !DEBUG
 using NamedTypeSymbolAdapter = Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol;

src/Compilers/CSharp/Portable/Emitter/NoPia/EmbeddedTypesManager.cs

@@ -14,7 +14,6 @@
 using Microsoft.CodeAnalysis.Emit;
 using Roslyn.Utilities;
 using Microsoft.CodeAnalysis.Emit.NoPia;
-using ReferenceEqualityComparer = Roslyn.Utilities.ReferenceEqualityComparer;
 
 #if !DEBUG
 using SymbolAdapter = Microsoft.CodeAnalysis.CSharp.Symbol;

src/Compilers/CSharp/Portable/FlowAnalysis/AbstractFlowPass.cs

@@ -15,7 +15,6 @@
 using Microsoft.CodeAnalysis.PooledObjects;
 using Microsoft.CodeAnalysis.Text;
 using Roslyn.Utilities;
-using ReferenceEqualityComparer = Roslyn.Utilities.ReferenceEqualityComparer;
 
 namespace Microsoft.CodeAnalysis.CSharp
 {

src/Compilers/CSharp/Portable/Lowering/ExtensionMethodBodyRewriter.cs

@@ -4,11 +4,10 @@
 
 using System;
 using System.Collections.Immutable;
+using System.Collections.Generic;
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using Microsoft.CodeAnalysis.CSharp.Symbols;
-using Roslyn.Utilities;
-using ReferenceEqualityComparer = Roslyn.Utilities.ReferenceEqualityComparer;
 
 namespace Microsoft.CodeAnalysis.CSharp
 {