properly handle VB Global namespace in DeclaredSymbolInfo

src/EditorFeatures/VisualBasicTest/NavigateTo/NavigateToTests.vb

@@ -541,6 +541,16 @@ Namespace Microsoft.CodeAnalysis.Editor.VisualBasic.UnitTests.NavigateTo
             End Using
         End Sub
 
+        <WorkItem(1121267)>
+        <Fact, Trait(Traits.Feature, Traits.Features.NavigateTo)>
+        Public Sub FindClassInGlobalNamespace()
+            Using worker = SetupWorkspace("Namespace Global", "Public Class C(Of T)", "End Class", "End Namespace")
+                SetupVerifableGlyph(StandardGlyphGroup.GlyphGroupClass, StandardGlyphItem.GlyphItemPublic)
+                Dim item = _aggregator.GetItems("C").Single
+                VerifyNavigateToResultItem(item, "C", MatchKind.Exact, NavigateToItemKind.Class, displayName:="C(Of T)")
+            End Using
+        End Sub
+
         <Fact, Trait(Traits.Feature, Traits.Features.NavigateTo)>
         Public Sub StartStopSanity()
             ' Verify that mutliple calls to start/stop don't blow up

src/Workspaces/VisualBasic/Portable/LanguageServices/VisualBasicSyntaxFactsService.vb

@@ -880,8 +880,12 @@ Namespace Microsoft.CodeAnalysis.VisualBasic
                     name = moduleDecl.ModuleStatement.Identifier.ValueText
                     typeParameterList = moduleDecl.ModuleStatement.TypeParameterList
                 Case SyntaxKind.NamespaceBlock
-                    Return GetNodeName(CType(node, NamespaceBlockSyntax).NamespaceStatement.Name, includeTypeParameters:=False)
-                    typeParameterList = Nothing
+                    Dim nameSyntax = CType(node, NamespaceBlockSyntax).NamespaceStatement.Name
+                    If nameSyntax.Kind() = SyntaxKind.GlobalName Then
+                        Return Nothing
+                    Else
+                        Return GetNodeName(nameSyntax, includeTypeParameters:=False)
+                    End If
                 Case SyntaxKind.QualifiedName
                     Dim qualified = CType(node, QualifiedNameSyntax)
                     If qualified.Left.Kind() = SyntaxKind.GlobalName Then