Use Array.Empty instead of SpecializedCollection

src/Features/Core/Shared/Utilities/PatternMatcher.cs

@@ -79,7 +79,7 @@ private static TextChunk[] BreakPatternIntoTextChunks(string pattern, bool verba
 
                 if (partCount == 0)
                 {
-                    return SpecializedCollections.EmptyArray<TextChunk>();
+                    return Array.Empty<TextChunk>();
                 }
 
                 var result = new TextChunk[partCount];
@@ -169,7 +169,7 @@ public PatternMatcher(string pattern, CultureInfo culture, bool verbatimIdentifi
             if (pattern.IndexOf('.') < 0)
             {
                 // PERF: Avoid string.Split allocations when the pattern doesn't contain a dot.
-                _dotSeparatedSegments = pattern.Length > 0 ? new Segment[1] { _fullPatternSegment } : SpecializedCollections.EmptyArray<Segment>();
+                _dotSeparatedSegments = pattern.Length > 0 ? new Segment[1] { _fullPatternSegment } : Array.Empty<Segment>();
             }
             else
             {