feat: do not increment reference counts on arrays through references

[TomAFrench]

Testing noir-lang/noir#6375 against aztec-packages.

[github-actions]

Changes to public function bytecode sizes

Generated at commit: 9d772b963c587a017eadc76c63e25778caaa357d, compared to commit: a6d8f488b1dba07efa5bf7a68eed3c49b1918f97

🧾 Summary (100% most significant diffs)

Program	Bytecode size in bytes (+/-)	%
Auth::set_authorized_delay	+428 ❌	+7.59%
Auth::set_authorized	+428 ❌	+7.49%
Token::burn_public	+146 ❌	+3.10%
TokenBlacklist::get_roles	+56 ❌	+2.16%
InclusionProofs::constructor	+52 ❌	+2.12%
AuthRegistry::consume	+62 ❌	+2.04%
FPC::constructor	+52 ❌	+1.82%
Uniswap::constructor	+52 ❌	+1.82%
Auth::constructor	+52 ❌	+1.80%
EasyPrivateVoting::constructor	+52 ❌	+1.72%
StatefulTest::public_constructor	+52 ❌	+1.61%
Crowdfunding::init	+52 ❌	+1.56%
TokenBlacklist::mint_public	+67 ❌	+1.55%
AppSubscription::constructor	+52 ❌	+1.50%
InclusionProofs::public_dispatch	+52 ❌	+1.32%
TokenBlacklist::mint_private	+52 ❌	+1.28%
Lending::public_dispatch	+253 ❌	+1.01%
AppSubscription::public_dispatch	+40 ❌	+0.84%
Crowdfunding::public_dispatch	+26 ❌	+0.44%
AvmTest::public_dispatch	+187 ❌	+0.34%
Parent::public_dispatch	+21 ❌	+0.26%
AvmTest::bulk_testing	+36 ❌	+0.15%
TokenBlacklist::public_dispatch	+6 ❌	+0.02%
AuthRegistry::public_dispatch	-15 ✅	-0.19%
Token::public_dispatch	-75 ✅	-0.23%
Uniswap::public_dispatch	-74 ✅	-0.33%
Auth::public_dispatch	-39 ✅	-0.38%
AvmInitializerTest::public_dispatch	-13 ✅	-0.42%
EasyPrivateVoting::public_dispatch	-26 ✅	-0.45%
Uniswap::swap_public	-65 ✅	-0.47%
Test::consume_message_from_arbitrary_sender_public	-39 ✅	-0.51%
Lending::_withdraw	-39 ✅	-0.53%
Lending::_borrow	-39 ✅	-0.54%
StaticParent::public_dispatch	-32 ✅	-0.55%
AvmInitializerTest::constructor	-13 ✅	-0.55%
AuthWitTest::public_dispatch	-13 ✅	-0.62%
Test::public_dispatch	-121 ✅	-0.64%
Token::complete_refund	-39 ✅	-0.67%
TokenBridge::exit_to_l1_public	-52 ✅	-0.68%
TokenBridge::claim_public	-78 ✅	-0.68%
AvmTest::sha256_hash	-26 ✅	-0.69%
Lending::update_accumulator	-39 ✅	-0.73%
Lending::_repay	-39 ✅	-0.73%
Test::consume_mint_public_message	-78 ✅	-0.77%
CardGame::start_game	-52 ✅	-0.78%
CardGame::on_cards_claimed	-65 ✅	-0.93%
Lending::get_position	-47 ✅	-0.97%
TokenBridge::public_dispatch	-206 ✅	-0.98%
DocsExample::public_dispatch	-52 ✅	-1.00%
FPC::public_dispatch	-89 ✅	-1.08%
Spam::public_dispatch	-39 ✅	-1.09%
Parent::public_nested_static_call	-39 ✅	-1.11%
NFT::public_dispatch	-303 ✅	-1.19%
Token::mint_private	-39 ✅	-1.20%
NFT::_finalize_transfer_to_private_unsafe	-78 ✅	-1.24%
NFT::finalize_transfer_to_private	-78 ✅	-1.25%
StatefulTest::public_dispatch	-91 ✅	-1.25%
Benchmarking::increment_balance	-39 ✅	-1.26%
Token::mint_public	-43 ✅	-1.30%
Lending::init	-39 ✅	-1.31%
NFT::mint	-43 ✅	-1.38%
CardGame::on_game_joined	-65 ✅	-1.39%
TokenBlacklist::_increase_public_balance	-39 ✅	-1.47%
Token::_increase_public_balance	-39 ✅	-1.47%
Spam::public_spam	-39 ✅	-1.49%
FeeJuice::public_dispatch	-95 ✅	-1.61%
Token::assert_minter_and_mint	-39 ✅	-1.62%
Lending::_deposit	-39 ✅	-1.63%
NFT::owner_of	-43 ✅	-1.66%
FeeJuice::check_balance	-39 ✅	-1.74%
Auth::get_authorized_delay	-39 ✅	-1.76%
FeeJuice::_increase_public_balance	-43 ✅	-1.78%
EasyPrivateVoting::add_to_tally_public	-43 ✅	-1.82%
Lending::get_asset	-39 ✅	-1.90%
NFT::set_minter	-39 ✅	-1.90%
Token::set_minter	-39 ✅	-1.91%
Claim::public_dispatch	-78 ✅	-1.94%
StatefulTest::increment_public_value	-39 ✅	-1.94%
AvmTest::add_storage_map	-43 ✅	-1.96%
StatefulTest::increment_public_value_no_init_check	-39 ✅	-1.97%
PrivateFPC::public_dispatch	-78 ✅	-1.99%
TokenBlacklist::balance_of_public	-39 ✅	-1.99%
Token::balance_of_public	-39 ✅	-1.99%
FeeJuice::balance_of_public	-39 ✅	-2.03%
Auth::get_authorized	-39 ✅	-2.05%
Benchmarking::public_dispatch	-104 ✅	-2.07%
NFT::is_minter	-39 ✅	-2.08%
Token::is_minter	-39 ✅	-2.08%
Benchmarking::broadcast	-39 ✅	-2.10%
PriceFeed::get_price	-39 ✅	-2.10%
AuthRegistry::is_reject_all	-39 ✅	-2.13%
StatefulTest::get_public_value	-39 ✅	-2.14%
PriceFeed::set_price	-39 ✅	-2.15%
AuthRegistry::is_consumable	-43 ✅	-2.15%
Auth::get_scheduled_authorized	-39 ✅	-2.15%
AvmTest::read_storage_map	-39 ✅	-2.15%
CardGame::public_dispatch	-344 ✅	-2.19%
NFT::_finish_transfer_to_public	-39 ✅	-2.19%
AuthRegistry::_set_authorized	-43 ✅	-2.24%
AuthRegistry::set_reject_all	-39 ✅	-2.26%
AuthRegistry::set_authorized	-43 ✅	-2.28%
AvmTest::set_storage_map	-43 ✅	-2.35%
TestLog::public_dispatch	-78 ✅	-2.48%
PriceFeed::public_dispatch	-95 ✅	-2.50%
AvmTest::get_args_hash	-43 ✅	-2.52%
Claim::constructor	-78 ✅	-2.54%
TokenBridge::constructor	-78 ✅	-2.56%
Router::public_dispatch	-63 ✅	-2.63%
PrivateFPC::constructor	-78 ✅	-2.63%
AvmTest::poseidon2_hash	-43 ✅	-2.63%
ImportTest::public_dispatch	-52 ✅	-3.04%
CardGame::on_card_played	-211 ✅	-3.79%

---

Full diff report 👇

Program	Bytecode size in bytes (+/-)	%
Auth::set_authorized_delay	6,065 (+428)	+7.59%
Auth::set_authorized	6,145 (+428)	+7.49%
Token::burn_public	4,849 (+146)	+3.10%
TokenBlacklist::get_roles	2,644 (+56)	+2.16%
InclusionProofs::constructor	2,504 (+52)	+2.12%
AuthRegistry::consume	3,099 (+62)	+2.04%
FPC::constructor	2,911 (+52)	+1.82%
Uniswap::constructor	2,911 (+52)	+1.82%
Auth::constructor	2,936 (+52)	+1.80%
EasyPrivateVoting::constructor	3,074 (+52)	+1.72%
StatefulTest::public_constructor	3,276 (+52)	+1.61%
Crowdfunding::init	3,376 (+52)	+1.56%
TokenBlacklist::mint_public	4,389 (+67)	+1.55%
AppSubscription::constructor	3,523 (+52)	+1.50%
InclusionProofs::public_dispatch	4,000 (+52)	+1.32%
TokenBlacklist::mint_private	4,121 (+52)	+1.28%
Lending::public_dispatch	25,329 (+253)	+1.01%
AppSubscription::public_dispatch	4,804 (+40)	+0.84%
Crowdfunding::public_dispatch	5,894 (+26)	+0.44%
AvmTest::public_dispatch	55,287 (+187)	+0.34%
Parent::public_dispatch	7,997 (+21)	+0.26%
AvmTest::bulk_testing	23,284 (+36)	+0.15%
TokenBlacklist::public_dispatch	24,326 (+6)	+0.02%
AuthRegistry::public_dispatch	7,969 (-15)	-0.19%
Token::public_dispatch	32,050 (-75)	-0.23%
Uniswap::public_dispatch	22,655 (-74)	-0.33%
Auth::public_dispatch	10,145 (-39)	-0.38%
AvmInitializerTest::public_dispatch	3,091 (-13)	-0.42%
EasyPrivateVoting::public_dispatch	5,693 (-26)	-0.45%
Uniswap::swap_public	13,635 (-65)	-0.47%
Test::consume_message_from_arbitrary_sender_public	7,589 (-39)	-0.51%
Lending::_withdraw	7,300 (-39)	-0.53%
Lending::_borrow	7,244 (-39)	-0.54%
StaticParent::public_dispatch	5,802 (-32)	-0.55%
AvmInitializerTest::constructor	2,355 (-13)	-0.55%
AuthWitTest::public_dispatch	2,098 (-13)	-0.62%
Test::public_dispatch	18,832 (-121)	-0.64%
Token::complete_refund	5,819 (-39)	-0.67%
TokenBridge::exit_to_l1_public	7,651 (-52)	-0.68%
TokenBridge::claim_public	11,420 (-78)	-0.68%
AvmTest::sha256_hash	3,750 (-26)	-0.69%
Lending::update_accumulator	5,340 (-39)	-0.73%
Lending::_repay	5,314 (-39)	-0.73%
Test::consume_mint_public_message	10,088 (-78)	-0.77%
CardGame::start_game	6,625 (-52)	-0.78%
CardGame::on_cards_claimed	6,924 (-65)	-0.93%
Lending::get_position	4,820 (-47)	-0.97%
TokenBridge::public_dispatch	20,797 (-206)	-0.98%
DocsExample::public_dispatch	5,156 (-52)	-1.00%
FPC::public_dispatch	8,147 (-89)	-1.08%
Spam::public_dispatch	3,541 (-39)	-1.09%
Parent::public_nested_static_call	3,477 (-39)	-1.11%
NFT::public_dispatch	25,159 (-303)	-1.19%
Token::mint_private	3,224 (-39)	-1.20%
NFT::_finalize_transfer_to_private_unsafe	6,214 (-78)	-1.24%
NFT::finalize_transfer_to_private	6,183 (-78)	-1.25%
StatefulTest::public_dispatch	7,212 (-91)	-1.25%
Benchmarking::increment_balance	3,068 (-39)	-1.26%
Token::mint_public	3,255 (-43)	-1.30%
Lending::init	2,940 (-39)	-1.31%
NFT::mint	3,082 (-43)	-1.38%
CardGame::on_game_joined	4,624 (-65)	-1.39%
TokenBlacklist::_increase_public_balance	2,621 (-39)	-1.47%
Token::_increase_public_balance	2,621 (-39)	-1.47%
Spam::public_spam	2,578 (-39)	-1.49%
FeeJuice::public_dispatch	5,800 (-95)	-1.61%
Token::assert_minter_and_mint	2,366 (-39)	-1.62%
Lending::_deposit	2,355 (-39)	-1.63%
NFT::owner_of	2,548 (-43)	-1.66%
FeeJuice::check_balance	2,199 (-39)	-1.74%
Auth::get_authorized_delay	2,172 (-39)	-1.76%
FeeJuice::_increase_public_balance	2,378 (-43)	-1.78%
EasyPrivateVoting::add_to_tally_public	2,321 (-43)	-1.82%
Lending::get_asset	2,019 (-39)	-1.90%
NFT::set_minter	2,011 (-39)	-1.90%
Token::set_minter	2,006 (-39)	-1.91%
Claim::public_dispatch	3,948 (-78)	-1.94%
StatefulTest::increment_public_value	1,969 (-39)	-1.94%
AvmTest::add_storage_map	2,146 (-43)	-1.96%
StatefulTest::increment_public_value_no_init_check	1,936 (-39)	-1.97%
PrivateFPC::public_dispatch	3,834 (-78)	-1.99%
TokenBlacklist::balance_of_public	1,916 (-39)	-1.99%
Token::balance_of_public	1,916 (-39)	-1.99%
FeeJuice::balance_of_public	1,878 (-39)	-2.03%
Auth::get_authorized	1,863 (-39)	-2.05%
Benchmarking::public_dispatch	4,916 (-104)	-2.07%
NFT::is_minter	1,834 (-39)	-2.08%
Token::is_minter	1,834 (-39)	-2.08%
Benchmarking::broadcast	1,822 (-39)	-2.10%
PriceFeed::get_price	1,814 (-39)	-2.10%
AuthRegistry::is_reject_all	1,796 (-39)	-2.13%
StatefulTest::get_public_value	1,786 (-39)	-2.14%
PriceFeed::set_price	1,774 (-39)	-2.15%
AuthRegistry::is_consumable	1,955 (-43)	-2.15%
Auth::get_scheduled_authorized	1,771 (-39)	-2.15%
AvmTest::read_storage_map	1,771 (-39)	-2.15%
CardGame::public_dispatch	15,360 (-344)	-2.19%
NFT::_finish_transfer_to_public	1,741 (-39)	-2.19%
AuthRegistry::_set_authorized	1,874 (-43)	-2.24%
AuthRegistry::set_reject_all	1,689 (-39)	-2.26%
AuthRegistry::set_authorized	1,843 (-43)	-2.28%
AvmTest::set_storage_map	1,790 (-43)	-2.35%
TestLog::public_dispatch	3,064 (-78)	-2.48%
PriceFeed::public_dispatch	3,705 (-95)	-2.50%
AvmTest::get_args_hash	1,663 (-43)	-2.52%
Claim::constructor	2,996 (-78)	-2.54%
TokenBridge::constructor	2,963 (-78)	-2.56%
Router::public_dispatch	2,332 (-63)	-2.63%
PrivateFPC::constructor	2,887 (-78)	-2.63%
AvmTest::poseidon2_hash	1,589 (-43)	-2.63%
ImportTest::public_dispatch	1,658 (-52)	-3.04%
CardGame::on_card_played	5,363 (-211)	-3.79%