third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_oneof.cc

Index: third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_oneof.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_oneof.cc b/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_oneof.cc
index 44bafd7f3c2ffe9abca0b5f12bbe36aadde10767..5531ae249f86102d4873e2673a4af612385d18fa 100644
--- a/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_oneof.cc
+++ b/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_oneof.cc
@@ -53,7 +53,7 @@ OneofGenerator::OneofGenerator(const OneofDescriptor* descriptor)
   string comments;
   SourceLocation location;
   if (descriptor_->GetSourceLocation(&location)) {
-    comments = BuildCommentsString(location);
+    comments = BuildCommentsString(location, true);
   } else {
     comments = "";
   }
@@ -104,7 +104,9 @@ void OneofGenerator::GeneratePublicCasePropertyDeclaration(
 void OneofGenerator::GenerateClearFunctionDeclaration(io::Printer* printer) {
   printer->Print(
       variables_,
-      "/// Clears whatever value was set for the oneof '$name$'.\n"
+      "/**\n"
+      " * Clears whatever value was set for the oneof '$name$'.\n"
+      " **/\n"
       "void $owning_message_class$_Clear$capitalized_name$OneOfCase($owning_message_class$ *message);\n");
 }
 
@@ -119,7 +121,7 @@ void OneofGenerator::GenerateClearFunctionImplementation(io::Printer* printer) {
       variables_,
       "void $owning_message_class$_Clear$capitalized_name$OneOfCase($owning_message_class$ *message) {\n"
       "  GPBDescriptor *descriptor = [message descriptor];\n"
-      "  GPBOneofDescriptor *oneof = descriptor->oneofs_[$raw_index$];\n"
+      "  GPBOneofDescriptor *oneof = [descriptor.oneofs objectAtIndex:$raw_index$];\n"
       "  GPBMaybeClearOneof(message, oneof, $index$, 0);\n"
       "}\n");
 }