Add a missing proto file.

Change-Id: Ic98584616bd6ee49680273f0cdbe6d9c038ec0e9

src/Makefile.am

@@ -322,7 +322,8 @@ protoc_inputs =                                                \
   google/protobuf/unittest_preserve_unknown_enum.proto         \
   google/protobuf/unittest_preserve_unknown_enum2.proto        \
   google/protobuf/unittest_proto3_arena.proto                  \
-  google/protobuf/compiler/cpp/cpp_test_bad_identifiers.proto
+  google/protobuf/compiler/cpp/cpp_test_bad_identifiers.proto  \
+  google/protobuf/compiler/cpp/test_large_enum_value.proto
 
 EXTRA_DIST =                                                   \
   $(protoc_inputs)                                             \
@@ -398,6 +399,8 @@ protoc_outputs =                                               \
   google/protobuf/unittest_preserve_unknown_enum2.pb.h         \
   google/protobuf/unittest_proto3_arena.pb.cc                  \
   google/protobuf/unittest_proto3_arena.pb.h                   \
+  google/protobuf/compiler/cpp/test_large_enum_value.pb.cc     \
+  google/protobuf/compiler/cpp/test_large_enum_value.pb.h      \
   google/protobuf/compiler/cpp/cpp_test_bad_identifiers.pb.cc  \
   google/protobuf/compiler/cpp/cpp_test_bad_identifiers.pb.h
 

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

@@ -0,0 +1,43 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// 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
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// 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;
+
+message TestLargeEnumValue {
+  enum EnumWithLargeValue {
+    VALUE_1 = 1;
+    VALUE_MAX = 0x7fffffff;
+  }
+}