Generated code changes due to map changes.

(Primarily this is starting the hash code of messages at a non-zero value...)

csharp/src/AddressBook/Addressbook.cs

@@ -155,7 +155,7 @@ namespace Google.ProtocolBuffers.Examples.AddressBook {
     }
 
     public override int GetHashCode() {
-      int hash = 0;
+      int hash = 17;
       if (Name.Length != 0) hash ^= Name.GetHashCode();
       if (Id != 0) hash ^= Id.GetHashCode();
       if (Email.Length != 0) hash ^= Email.GetHashCode();
@@ -200,6 +200,7 @@ namespace Google.ProtocolBuffers.Examples.AddressBook {
       }
       return size;
     }
+
     public void MergeFrom(Person other) {
       if (other == null) {
         return;
@@ -329,7 +330,7 @@ namespace Google.ProtocolBuffers.Examples.AddressBook {
         }
 
         public override int GetHashCode() {
-          int hash = 0;
+          int hash = 17;
           if (Number.Length != 0) hash ^= Number.GetHashCode();
           if (Type != global::Google.ProtocolBuffers.Examples.AddressBook.Person.Types.PhoneType.HOME) hash ^= Type.GetHashCode();
           return hash;
@@ -356,6 +357,7 @@ namespace Google.ProtocolBuffers.Examples.AddressBook {
           }
           return size;
         }
+
         public void MergeFrom(PhoneNumber other) {
           if (other == null) {
             return;
@@ -456,7 +458,7 @@ namespace Google.ProtocolBuffers.Examples.AddressBook {
     }
 
     public override int GetHashCode() {
-      int hash = 0;
+      int hash = 17;
       hash ^= person_.GetHashCode();
       return hash;
     }
@@ -477,6 +479,7 @@ namespace Google.ProtocolBuffers.Examples.AddressBook {
       }
       return size;
     }
+
     public void MergeFrom(AddressBook other) {
       if (other == null) {
         return;

csharp/src/ProtocolBuffers.Test/TestProtos/UnittestImportProto3.cs

@@ -120,7 +120,7 @@ namespace Google.Protobuf.TestProtos {
     }
 
     public override int GetHashCode() {
-      int hash = 0;
+      int hash = 17;
       if (D != 0) hash ^= D.GetHashCode();
       return hash;
     }
@@ -139,6 +139,7 @@ namespace Google.Protobuf.TestProtos {
       }
       return size;
     }
+
     public void MergeFrom(ImportMessage other) {
       if (other == null) {
         return;

csharp/src/ProtocolBuffers.Test/TestProtos/UnittestImportPublicProto3.cs

@@ -105,7 +105,7 @@ namespace Google.Protobuf.TestProtos {
     }
 
     public override int GetHashCode() {
-      int hash = 0;
+      int hash = 17;
       if (E != 0) hash ^= E.GetHashCode();
       return hash;
     }
@@ -124,6 +124,7 @@ namespace Google.Protobuf.TestProtos {
       }
       return size;
     }
+
     public void MergeFrom(PublicImportMessage other) {
       if (other == null) {
         return;

csharp/src/ProtocolBuffers.Test/TestProtos/UnittestIssues.cs

@@ -168,7 +168,7 @@ namespace UnitTest.Issues.TestProtos {
     }
 
     public override int GetHashCode() {
-      int hash = 0;
+      int hash = 17;
       if (Value != global::UnitTest.Issues.TestProtos.NegativeEnum.NEGATIVE_ENUM_ZERO) hash ^= Value.GetHashCode();
       hash ^= values_.GetHashCode();
       hash ^= packedValues_.GetHashCode();
@@ -212,6 +212,7 @@ namespace UnitTest.Issues.TestProtos {
       }
       return size;
     }
+
     public void MergeFrom(NegativeEnumMessage other) {
       if (other == null) {
         return;
@@ -303,7 +304,7 @@ namespace UnitTest.Issues.TestProtos {
     }
 
     public override int GetHashCode() {
-      int hash = 0;
+      int hash = 17;
       return hash;
     }
 
@@ -314,6 +315,7 @@ namespace UnitTest.Issues.TestProtos {
       int size = 0;
       return size;
     }
+
     public void MergeFrom(DeprecatedChild other) {
       if (other == null) {
         return;
@@ -456,7 +458,7 @@ namespace UnitTest.Issues.TestProtos {
     }
 
     public override int GetHashCode() {
-      int hash = 0;
+      int hash = 17;
       if (PrimitiveValue != 0) hash ^= PrimitiveValue.GetHashCode();
       hash ^= primitiveArray_.GetHashCode();
       if (messageValue_ != null) hash ^= MessageValue.GetHashCode();
@@ -527,6 +529,7 @@ namespace UnitTest.Issues.TestProtos {
       }
       return size;
     }
+
     public void MergeFrom(DeprecatedFieldsMessage other) {
       if (other == null) {
         return;
@@ -655,7 +658,7 @@ namespace UnitTest.Issues.TestProtos {
     }
 
     public override int GetHashCode() {
-      int hash = 0;
+      int hash = 17;
       if (Item != 0) hash ^= Item.GetHashCode();
       return hash;
     }
@@ -674,6 +677,7 @@ namespace UnitTest.Issues.TestProtos {
       }
       return size;
     }
+
     public void MergeFrom(ItemField other) {
       if (other == null) {
         return;