Revert "Option to truncate integers to 64 bits, part 2"

runtime/vm/snapshot_test.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"
 
 #include "include/dart_tools_api.h"
 #include "platform/assert.h"
 #include "vm/class_finalizer.h"
 #include "vm/clustered_snapshot.h"
@@ skipping 383 matching lines @@
   ApiMessageReader api_reader(buffer, buffer_len);
   Dart_CObject* root = api_reader.ReadMessage();
   EXPECT_NOTNULL(root);
   EXPECT_EQ(Dart_CObject_kCapability, root->type);
   int64_t id = root->value.as_capability.id;
   EXPECT_EQ(12345, id);
   CheckEncodeDecodeMessage(root);
 }
 
 TEST_CASE(SerializeBigint) {
-  if (Bigint::IsDisabled()) {
-    return;
-  }
   // Write snapshot with object content.
   const char* cstr = "0x270FFFFFFFFFFFFFD8F0";
   const String& str = String::Handle(String::New(cstr));
   Bigint& bigint = Bigint::Handle();
   bigint ^= Integer::NewCanonical(str);
   uint8_t* buffer;
   MessageWriter writer(&buffer, &zone_allocator, &zone_deallocator, true);
   writer.WriteMessage(bigint);
   intptr_t buffer_len = writer.BytesWritten();
 
@@ skipping 52 matching lines @@
   Bigint& bigint = Bigint::Handle();
   bigint ^= Bigint::NewFromCString(bigint_value);
   Dart_CObject* bigint_cobject = SerializeAndDeserializeBigint(bigint);
   EXPECT_EQ(Dart_CObject_kBigint, bigint_cobject->type);
   char* hex_value = TestCase::BigintToHexValue(bigint_cobject);
   EXPECT_STREQ(bigint_value, hex_value);
   free(hex_value);
 }
 
 TEST_CASE(SerializeBigint2) {
-  if (Bigint::IsDisabled()) {
-    return;
-  }
   CheckBigint("0x0");
   CheckBigint("0x1");
   CheckBigint("-0x1");
   CheckBigint("0x11111111111111111111");
   CheckBigint("-0x11111111111111111111");
   CheckBigint("0x9876543210987654321098765432109876543210");
   CheckBigint("-0x9876543210987654321098765432109876543210");
 }
 
 TEST_CASE(SerializeSingletons) {
@@ skipping 2577 matching lines @@
   StackZone zone(Thread::Current());
   uint8_t* buffer;
   MessageWriter writer(&buffer, &zone_allocator, &zone_deallocator, true);
   writer.WriteInlinedObjectHeader(kOmittedObjectId);
   // For performance, we'd like single-byte headers when ids are omitted.
   // If this starts failing, consider renumbering the snapshot ids.
   EXPECT_EQ(1, writer.BytesWritten());
 }
 
 }  // namespace dart