generic method type parameter inference

pkg/analyzer/lib/src/generated/element.dart

Index: pkg/analyzer/lib/src/generated/element.dart
diff --git a/pkg/analyzer/lib/src/generated/element.dart b/pkg/analyzer/lib/src/generated/element.dart
index 7793d0d0b524d4ee4f7bf215e0c1805e7eeb3b73..b379ebd913810fd0c5c276cd4a04b07fcbddde58 100644
--- a/pkg/analyzer/lib/src/generated/element.dart
+++ b/pkg/analyzer/lib/src/generated/element.dart
@@ -9284,6 +9284,9 @@ class ParameterMember extends VariableMember
   Element get enclosingElement => baseElement.enclosingElement;
 
   @override
+  int get hashCode => baseElement.hashCode;
+
+  @override
   bool get isInitializingFormal => baseElement.isInitializingFormal;
 
   @override
@@ -9312,6 +9315,10 @@ class ParameterMember extends VariableMember
   SourceRange get visibleRange => baseElement.visibleRange;
 
   @override
+  bool operator ==(Object object) =>
+      object is ParameterMember && baseElement == object.baseElement;
+
+  @override
   accept(ElementVisitor visitor) => visitor.visitParameterElement(this);
 
   @override