Property compare overloads

Author: MikhailArkhipov

src/Analysis/Engine/Impl/OverloadResult.cs

@@ -136,6 +136,14 @@ public override string ToString() {
             var doc = string.IsNullOrEmpty(Documentation) ? "" : "'''{0}'''".FormatInvariant(Documentation);
             return "{0}({1}) -> {2}{3}".FormatInvariant(Name, parameters, returnType, doc);
         }
+
+        public override bool Equals(object obj) {
+            if(obj is OverloadResult other) {
+                return OverloadResultComparer.Instance.Equals(this, other);
+            }
+            return base.Equals(obj);
+        }
+        public override int GetHashCode() => OverloadResultComparer.Instance.GetHashCode(this);
     }
 
     class AccumulatedOverloadResult {

src/Analysis/Engine/Impl/Values/ClassInfo.cs

@@ -831,10 +831,6 @@ public static IAnalysisSet GetMemberFromMroNoReferences(IEnumerable<IAnalysisSet
                         result = result.Union(ns.GetMember(node, unit, name));
                     }
                 }
-
-                if (result != null && result.Count > 0) {
-                    break;
-                }
             }
             return result;
         }

src/LanguageServer/Impl/Program.cs

@@ -14,7 +14,7 @@
 // See the Apache Version 2.0 License for specific language governing
 // permissions and limitations under the License.
 
-// #define WAIT_FOR_DEBUGGER
+#define WAIT_FOR_DEBUGGER
 
 using System;
 using Microsoft.Python.LanguageServer.Services;