message: Be explicit about cast from size_t to int.
diff: @@ -280,7 +280,7 @@ TEST_F(Sparse3x3MatrixAlignmentTest, CompletelyDisabledNoAlignment) {
  [](const TokenPartitionTree&) { return false; },
  pre_format_tokens_.begin(), sample_,
  // Alignment disabled over entire range.
  - ByteOffsetSet({{0, sample_.length()}}), 40);
  + ByteOffsetSet({{0, static_cast<int>(sample_.length())}}), 40);
  // Verify string rendering of result.
  EXPECT_EQ(Render(), //
  