From ad092cbe5573e5f1e5ce6f5659c94a828c76528f Mon Sep 17 00:00:00 2001
From: Youssef Victor <youssefvictor00@gmail.com>
Date: Thu, 8 Oct 2020 13:05:01 +0000
Subject: [PATCH] Fix FAR counting for target-typed new

---
 .../FindReferencesTests.ConstructorSymbols.vb | 28 +++++++++++++++++++
 .../Finders/AbstractReferenceFinder.cs        |  5 ++++
 2 files changed, 33 insertions(+)

diff --git a/src/EditorFeatures/Test2/FindReferences/FindReferencesTests.ConstructorSymbols.vb b/src/EditorFeatures/Test2/FindReferences/FindReferencesTests.ConstructorSymbols.vb
index 6dec719af6f6e..f34108c51c3c3 100644
--- a/src/EditorFeatures/Test2/FindReferences/FindReferencesTests.ConstructorSymbols.vb
+++ b/src/EditorFeatures/Test2/FindReferences/FindReferencesTests.ConstructorSymbols.vb
@@ -895,6 +895,34 @@ class C
             Await TestAPIAndFeature(input, kind, host)
         End Function
 
+        <WpfTheory, CombinatorialData, Trait(Traits.Feature, Traits.Features.FindReferences)>
+        <WorkItem(47987, "https://github.com/dotnet/roslyn/issues/47987")>
+        Public Async Function DoNotCountInstantiationTwiceWhenTargetTypedNewExists(kind As TestKind, host As TestHost) As Task
+            Dim input =
+<Workspace>
+    <Project Language="C#" CommonReferences="true">
+        <Document>
+class Bar
+{
+    public {|Definition:$$Bar|}() { }
+}
+        </Document>
+        <Document>
+public class Foo
+{
+    private readonly Bar bar1 = [|new|]();
+    private readonly Bar bar2;
+    public Foo(Bar bar)
+    {
+        this.bar2 = new [|Bar|]();
+    }
+}
+        </Document>
+    </Project>
+</Workspace>
+            Await TestAPIAndFeature(input, kind, host)
+        End Function
+
         <WorkItem(44288, "https://github.com/dotnet/roslyn/issues/44288")>
         <WpfTheory, CombinatorialData, Trait(Traits.Feature, Traits.Features.FindReferences)>
         Public Async Function TestConstructorReferenceInGlobalSuppression(kind As TestKind, host As TestHost) As Task
diff --git a/src/Workspaces/Core/Portable/FindSymbols/FindReferences/Finders/AbstractReferenceFinder.cs b/src/Workspaces/Core/Portable/FindSymbols/FindReferences/Finders/AbstractReferenceFinder.cs
index da3b22e55c747..4c4d69af9c4f0 100644
--- a/src/Workspaces/Core/Portable/FindSymbols/FindReferences/Finders/AbstractReferenceFinder.cs
+++ b/src/Workspaces/Core/Portable/FindSymbols/FindReferences/Finders/AbstractReferenceFinder.cs
@@ -637,6 +637,11 @@ static bool IsRelevantDocument(SyntaxTreeIndex syntaxTreeInfo)
             void CollectMatchingReferences(ISymbol originalUnreducedSymbolDefinition, SyntaxNode node,
                 ISyntaxFactsService syntaxFacts, ISemanticFactsService semanticFacts, ArrayBuilder<FinderLocation> locations)
             {
+                if (syntaxFacts.IsImplicitObjectCreation(node))
+                {
+                    return;
+                }
+
                 var constructor = semanticModel.GetSymbolInfo(node, cancellationToken).Symbol;
 
                 if (Matches(constructor, originalUnreducedSymbolDefinition))