Pull new version of protobuf sources.

third_party/protobuf/src/google/protobuf/compiler/cpp/test_large_enum_value.proto

Index: third_party/protobuf/src/google/protobuf/compiler/cpp/test_large_enum_value.proto
diff --git a/third_party/protobuf/src/google/protobuf/unittest_lite_imports_nonlite.proto b/third_party/protobuf/src/google/protobuf/compiler/cpp/test_large_enum_value.proto
similarity index 82%
copy from third_party/protobuf/src/google/protobuf/unittest_lite_imports_nonlite.proto
copy to third_party/protobuf/src/google/protobuf/compiler/cpp/test_large_enum_value.proto
index d52cb8cc36d8924a3454f9170f6b338f14a59c5c..cb6ca1b1512baf9669134cb7d1640c6351cc6b12 100644
--- a/third_party/protobuf/src/google/protobuf/unittest_lite_imports_nonlite.proto
+++ b/third_party/protobuf/src/google/protobuf/compiler/cpp/test_large_enum_value.proto
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// https://developers.google.com/protocol-buffers/
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
@@ -28,16 +28,16 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Author: kenton@google.com (Kenton Varda)
-//
-// Tests that a "lite" message can import a regular message.
+// Test that proto2 compiler can generate valid code when the enum value
+// is INT_MAX. Note that this is a compile-only test and this proto is not
+// referenced in any C++ code.
+syntax = "proto2";
 
 package protobuf_unittest;
 
-import "google/protobuf/unittest.proto";
-
-option optimize_for = LITE_RUNTIME;
-
-message TestLiteImportsNonlite {
-  optional TestAllTypes message = 1;
+message TestLargeEnumValue {
+  enum EnumWithLargeValue {
+    VALUE_1 = 1;
+    VALUE_MAX = 0x7fffffff;
+  }
 }