Fix for constructor search.

pkg/analyzer/lib/src/dart/analysis/search.dart

Index: pkg/analyzer/lib/src/dart/analysis/search.dart
diff --git a/pkg/analyzer/lib/src/dart/analysis/search.dart b/pkg/analyzer/lib/src/dart/analysis/search.dart
index f39948c4e0f77723607b417c136de495fab5e597..e975148af3652d4b079e81a0580534282f8f71ad 100644
--- a/pkg/analyzer/lib/src/dart/analysis/search.dart
+++ b/pkg/analyzer/lib/src/dart/analysis/search.dart
@@ -84,6 +84,9 @@ class Search {
 
     // TODO(scheglov) optimize for private elements
     String name = element.displayName;
+    if (element is ConstructorElement) {
+      name = element.enclosingElement.displayName;
+    }
 
     // Prepare the list of files that reference the element name.
     List<String> files = await _driver.getFilesReferencingName(name);