gas.diff

diff --git a/libyul/backends/evm/OptimizedEVMCodeTransform.cpp b/libyul/backends/evm/OptimizedEVMCodeTransform.cpp
index 6cd9b45cd..db0dd3007 100644
--- a/libyul/backends/evm/OptimizedEVMCodeTransform.cpp
+++ b/libyul/backends/evm/OptimizedEVMCodeTransform.cpp
@@ -342,7 +342,10 @@ void OptimizedEVMCodeTransform::createStackLayout(Stack _targetStack)
 					// - the constant 0
 					// Note: it might even make sense to introduce a specific assembly item for this, s.t.
 					//       the peephole optimizer can deal with this (e.g. POP PUSHJUNK can be removed).
-					m_assembly.appendInstruction(evmasm::Instruction::PC);
+					if (m_assembly.stackHeight() == 0)
+						m_assembly.appendConstant(0);
+					else
+						m_assembly.appendInstruction(evmasm::Instruction::DUP1);
 				}
 			}, _slot);
 		},
diff --git a/test/libsolidity/semanticTests/abiEncoderV1/abi_decode_v2_storage.sol b/test/libsolidity/semanticTests/abiEncoderV1/abi_decode_v2_storage.sol
index 2a85a0266..562d92504 100644
--- a/test/libsolidity/semanticTests/abiEncoderV1/abi_decode_v2_storage.sol
+++ b/test/libsolidity/semanticTests/abiEncoderV1/abi_decode_v2_storage.sol
@@ -24,6 +24,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 0x20, 0x8, 0x40, 0x3, 0x9, 0xa, 0xb
-// gas irOptimized: 203353
+// gas irOptimized: 203354
 // gas legacy: 206126
 // gas legacyOptimized: 202860
diff --git a/test/libsolidity/semanticTests/abiEncoderV1/abi_encode_calldata_slice.sol b/test/libsolidity/semanticTests/abiEncoderV1/abi_encode_calldata_slice.sol
index 53f721ff0..575d12d62 100644
--- a/test/libsolidity/semanticTests/abiEncoderV1/abi_encode_calldata_slice.sol
+++ b/test/libsolidity/semanticTests/abiEncoderV1/abi_encode_calldata_slice.sol
@@ -60,10 +60,10 @@ contract C {
 // compileViaYul: also
 // ----
 // test_bytes() ->
-// gas irOptimized: 377545
+// gas irOptimized: 377581
 // gas legacy: 423563
 // gas legacyOptimized: 319727
 // test_uint256() ->
-// gas irOptimized: 528726
+// gas irOptimized: 528762
 // gas legacy: 591392
 // gas legacyOptimized: 441131
diff --git a/test/libsolidity/semanticTests/abiEncoderV2/abi_encode_calldata_slice.sol b/test/libsolidity/semanticTests/abiEncoderV2/abi_encode_calldata_slice.sol
index 88ef9e33a..886fa5c3a 100644
--- a/test/libsolidity/semanticTests/abiEncoderV2/abi_encode_calldata_slice.sol
+++ b/test/libsolidity/semanticTests/abiEncoderV2/abi_encode_calldata_slice.sol
@@ -61,10 +61,10 @@ contract C {
 // compileViaYul: also
 // ----
 // test_bytes() ->
-// gas irOptimized: 377545
+// gas irOptimized: 377581
 // gas legacy: 423563
 // gas legacyOptimized: 319727
 // test_uint256() ->
-// gas irOptimized: 528726
+// gas irOptimized: 528762
 // gas legacy: 591392
 // gas legacyOptimized: 441131
diff --git a/test/libsolidity/semanticTests/abiEncoderV2/abi_encode_v2_in_modifier_used_in_v1_contract.sol b/test/libsolidity/semanticTests/abiEncoderV2/abi_encode_v2_in_modifier_used_in_v1_contract.sol
index 7832ef601..a03582798 100644
--- a/test/libsolidity/semanticTests/abiEncoderV2/abi_encode_v2_in_modifier_used_in_v1_contract.sol
+++ b/test/libsolidity/semanticTests/abiEncoderV2/abi_encode_v2_in_modifier_used_in_v1_contract.sol
@@ -40,5 +40,5 @@ contract C is B {
 // compileViaYul: also
 // ----
 // test() -> 5, 10
-// gas irOptimized: 87578
+// gas irOptimized: 87580
 // gas legacy: 99137
diff --git a/test/libsolidity/semanticTests/abiEncoderV2/calldata_array.sol b/test/libsolidity/semanticTests/abiEncoderV2/calldata_array.sol
index baa126456..8d83587cf 100644
--- a/test/libsolidity/semanticTests/abiEncoderV2/calldata_array.sol
+++ b/test/libsolidity/semanticTests/abiEncoderV2/calldata_array.sol
@@ -21,6 +21,6 @@ contract C {
 // f(uint256[][1]): 32, 32, 0 -> true
 // f(uint256[][1]): 32, 32, 1, 42 -> true
 // f(uint256[][1]): 32, 32, 8, 421, 422, 423, 424, 425, 426, 427, 428 -> true
-// gas irOptimized: 172326
+// gas irOptimized: 172327
 // gas legacy: 141900
 // gas legacyOptimized: 119022
diff --git a/test/libsolidity/semanticTests/abiencodedecode/abi_decode_simple_storage.sol b/test/libsolidity/semanticTests/abiencodedecode/abi_decode_simple_storage.sol
index fa868c3a7..88f78e953 100644
--- a/test/libsolidity/semanticTests/abiencodedecode/abi_decode_simple_storage.sol
+++ b/test/libsolidity/semanticTests/abiencodedecode/abi_decode_simple_storage.sol
@@ -11,6 +11,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f(bytes): 0x20, 0x80, 0x21, 0x40, 0x7, "abcdefg" -> 0x21, 0x40, 0x7, "abcdefg"
-// gas irOptimized: 135918
+// gas irOptimized: 135919
 // gas legacy: 137190
 // gas legacyOptimized: 135951
diff --git a/test/libsolidity/semanticTests/array/bytes_length_member.sol b/test/libsolidity/semanticTests/array/bytes_length_member.sol
index 19ece0a16..993541a09 100644
--- a/test/libsolidity/semanticTests/array/bytes_length_member.sol
+++ b/test/libsolidity/semanticTests/array/bytes_length_member.sol
@@ -15,7 +15,7 @@ contract c {
 // ----
 // getLength() -> 0
 // set(): 1, 2 -> true
-// gas irOptimized: 110433
+// gas irOptimized: 110434
 // gas legacy: 110726
 // gas legacyOptimized: 110563
 // getLength() -> 68
diff --git a/test/libsolidity/semanticTests/array/copying/array_copy_cleanup_uint128.sol b/test/libsolidity/semanticTests/array/copying/array_copy_cleanup_uint128.sol
index 3449cdc2d..7c091530f 100644
--- a/test/libsolidity/semanticTests/array/copying/array_copy_cleanup_uint128.sol
+++ b/test/libsolidity/semanticTests/array/copying/array_copy_cleanup_uint128.sol
@@ -23,6 +23,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> true
-// gas irOptimized: 92740
+// gas irOptimized: 92741
 // gas legacy: 93035
 // gas legacyOptimized: 92257
diff --git a/test/libsolidity/semanticTests/array/copying/array_copy_cleanup_uint40.sol b/test/libsolidity/semanticTests/array/copying/array_copy_cleanup_uint40.sol
index 73abd2cf7..fe0c59d9d 100644
--- a/test/libsolidity/semanticTests/array/copying/array_copy_cleanup_uint40.sol
+++ b/test/libsolidity/semanticTests/array/copying/array_copy_cleanup_uint40.sol
@@ -48,6 +48,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> true
-// gas irOptimized: 153260
+// gas irOptimized: 153261
 // gas legacy: 155961
 // gas legacyOptimized: 153588
diff --git a/test/libsolidity/semanticTests/array/copying/array_copy_clear_storage_packed.sol b/test/libsolidity/semanticTests/array/copying/array_copy_clear_storage_packed.sol
index bd596b86c..d10440b9f 100644
--- a/test/libsolidity/semanticTests/array/copying/array_copy_clear_storage_packed.sol
+++ b/test/libsolidity/semanticTests/array/copying/array_copy_clear_storage_packed.sol
@@ -42,11 +42,11 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 0
-// gas irOptimized: 92800
+// gas irOptimized: 92802
 // gas legacy: 93006
 // gas legacyOptimized: 92261
 // g() -> 0
 // h() -> 0
-// gas irOptimized: 92862
+// gas irOptimized: 92864
 // gas legacy: 93028
 // gas legacyOptimized: 92303
diff --git a/test/libsolidity/semanticTests/array/copying/bytes_inside_mappings.sol b/test/libsolidity/semanticTests/array/copying/bytes_inside_mappings.sol
index 2e151969f..0bf9660d5 100644
--- a/test/libsolidity/semanticTests/array/copying/bytes_inside_mappings.sol
+++ b/test/libsolidity/semanticTests/array/copying/bytes_inside_mappings.sol
@@ -7,11 +7,11 @@ contract c {
 // compileViaYul: also
 // ----
 // set(uint256): 1, 2 -> true
-// gas irOptimized: 110699
+// gas irOptimized: 110700
 // gas legacy: 111091
 // gas legacyOptimized: 110721
 // set(uint256): 2, 2, 3, 4, 5 -> true
-// gas irOptimized: 177659
+// gas irOptimized: 177660
 // gas legacy: 178021
 // gas legacyOptimized: 177651
 // storageEmpty -> 0
diff --git a/test/libsolidity/semanticTests/array/copying/bytes_storage_to_storage.sol b/test/libsolidity/semanticTests/array/copying/bytes_storage_to_storage.sol
index 4d76141ca..6ec2168db 100644
--- a/test/libsolidity/semanticTests/array/copying/bytes_storage_to_storage.sol
+++ b/test/libsolidity/semanticTests/array/copying/bytes_storage_to_storage.sol
@@ -19,25 +19,25 @@ contract c {
 // ----
 // f(uint256): 0 -> 0x20, 0x00
 // f(uint256): 31 -> 0x20, 0x1f, 0x0102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e00
-// gas irOptimized: 121741
+// gas irOptimized: 121744
 // gas legacy: 124364
 // gas legacyOptimized: 118790
 // f(uint256): 32 -> 0x20, 0x20, 1780731860627700044960722568376592200742329637303199754547598369979440671
-// gas irOptimized: 130733
+// gas irOptimized: 130734
 // gas legacy: 135431
 // gas legacyOptimized: 129004
 // f(uint256): 33 -> 0x20, 33, 1780731860627700044960722568376592200742329637303199754547598369979440671, 0x2000000000000000000000000000000000000000000000000000000000000000
-// gas irOptimized: 137732
+// gas irOptimized: 137735
 // gas legacy: 142238
 // gas legacyOptimized: 135634
 // f(uint256): 63 -> 0x20, 0x3f, 1780731860627700044960722568376592200742329637303199754547598369979440671, 14532552714582660066924456880521368950258152170031413196862950297402215316992
-// gas irOptimized: 152352
+// gas irOptimized: 152355
 // gas legacy: 160728
 // gas legacyOptimized: 148634
 // f(uint256): 12 -> 0x20, 0x0c, 0x0102030405060708090a0b0000000000000000000000000000000000000000
 // gas legacy: 59345
 // gas legacyOptimized: 56816
 // f(uint256): 129 -> 0x20, 0x81, 1780731860627700044960722568376592200742329637303199754547598369979440671, 0x202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f, 29063324697304692433803953038474361308315562010425523193971352996434451193439, 0x606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f, -57896044618658097711785492504343953926634992332820282019728792003956564819968
-// gas irOptimized: 406089
+// gas irOptimized: 406092
 // gas legacy: 423017
 // gas legacyOptimized: 398889
diff --git a/test/libsolidity/semanticTests/array/copying/copy_byte_array_in_struct_to_storage.sol b/test/libsolidity/semanticTests/array/copying/copy_byte_array_in_struct_to_storage.sol
index b26939fce..9ea8f620f 100644
--- a/test/libsolidity/semanticTests/array/copying/copy_byte_array_in_struct_to_storage.sol
+++ b/test/libsolidity/semanticTests/array/copying/copy_byte_array_in_struct_to_storage.sol
@@ -37,11 +37,11 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 0x40, 0x80, 6, 0x6162636465660000000000000000000000000000000000000000000000000000, 0x49, 0x3132333435363738393031323334353637383930313233343536373839303120, 0x3132333435363738393031323334353637383930313233343536373839303120, 0x3132333435363738390000000000000000000000000000000000000000000000
-// gas irOptimized: 179952
+// gas irOptimized: 179956
 // gas legacy: 180694
 // gas legacyOptimized: 180079
 // g() -> 0x40, 0xc0, 0x49, 0x3132333435363738393031323334353637383930313233343536373839303120, 0x3132333435363738393031323334353637383930313233343536373839303120, 0x3132333435363738390000000000000000000000000000000000000000000000, 0x11, 0x3132333435363738393233343536373839000000000000000000000000000000
-// gas irOptimized: 107332
+// gas irOptimized: 107336
 // gas legacy: 107895
 // gas legacyOptimized: 107235
 // h() -> 0x40, 0x60, 0x00, 0x00
diff --git a/test/libsolidity/semanticTests/array/copying/copy_function_storage_array.sol b/test/libsolidity/semanticTests/array/copying/copy_function_storage_array.sol
index 8448d2e69..46b0fe71c 100644
--- a/test/libsolidity/semanticTests/array/copying/copy_function_storage_array.sol
+++ b/test/libsolidity/semanticTests/array/copying/copy_function_storage_array.sol
@@ -18,6 +18,6 @@ contract C {
 // compileViaYul: also
 // ----
 // test() -> 7
-// gas irOptimized: 126552
+// gas irOptimized: 126553
 // gas legacy: 205196
 // gas legacyOptimized: 204987
diff --git a/test/libsolidity/semanticTests/array/copying/copy_removes_bytes_data.sol b/test/libsolidity/semanticTests/array/copying/copy_removes_bytes_data.sol
index 857f552cb..c22004f2c 100644
--- a/test/libsolidity/semanticTests/array/copying/copy_removes_bytes_data.sol
+++ b/test/libsolidity/semanticTests/array/copying/copy_removes_bytes_data.sol
@@ -9,7 +9,7 @@ contract c {
 // compileViaYul: also
 // ----
 // set(): 1, 2, 3, 4, 5 -> true
-// gas irOptimized: 177417
+// gas irOptimized: 177418
 // gas legacy: 177656
 // gas legacyOptimized: 177492
 // storageEmpty -> 0
diff --git a/test/libsolidity/semanticTests/array/copying/memory_dyn_2d_bytes_to_storage.sol b/test/libsolidity/semanticTests/array/copying/memory_dyn_2d_bytes_to_storage.sol
index ab5bb8197..74f6c6149 100644
--- a/test/libsolidity/semanticTests/array/copying/memory_dyn_2d_bytes_to_storage.sol
+++ b/test/libsolidity/semanticTests/array/copying/memory_dyn_2d_bytes_to_storage.sol
@@ -20,6 +20,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 3
-// gas irOptimized: 129916
+// gas irOptimized: 129919
 // gas legacy: 130307
 // gas legacyOptimized: 129130
diff --git a/test/libsolidity/semanticTests/array/delete/bytes_delete_element.sol b/test/libsolidity/semanticTests/array/delete/bytes_delete_element.sol
index ea9af482f..70dc40464 100644
--- a/test/libsolidity/semanticTests/array/delete/bytes_delete_element.sol
+++ b/test/libsolidity/semanticTests/array/delete/bytes_delete_element.sol
@@ -18,6 +18,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test1() -> true
-// gas irOptimized: 225894
+// gas irOptimized: 225895
 // gas legacy: 255577
 // gas legacyOptimized: 244795
diff --git a/test/libsolidity/semanticTests/array/fixed_arrays_as_return_type.sol b/test/libsolidity/semanticTests/array/fixed_arrays_as_return_type.sol
index 421da36b6..067e6da8b 100644
--- a/test/libsolidity/semanticTests/array/fixed_arrays_as_return_type.sol
+++ b/test/libsolidity/semanticTests/array/fixed_arrays_as_return_type.sol
@@ -21,6 +21,6 @@ contract B {
 // compileViaYul: also
 // ----
 // f() -> 2, 3, 4, 5, 6, 1000, 1001, 1002, 1003, 1004
-// gas irOptimized: 130530
+// gas irOptimized: 130532
 // gas legacy: 235339
 // gas legacyOptimized: 129566
diff --git a/test/libsolidity/semanticTests/array/function_array_cross_calls.sol b/test/libsolidity/semanticTests/array/function_array_cross_calls.sol
index b8939f510..741fd5d39 100644
--- a/test/libsolidity/semanticTests/array/function_array_cross_calls.sol
+++ b/test/libsolidity/semanticTests/array/function_array_cross_calls.sol
@@ -45,6 +45,6 @@ contract C {
 // compileViaYul: also
 // ----
 // test() -> 5, 6, 7
-// gas irOptimized: 302932
+// gas irOptimized: 302938
 // gas legacy: 463662
 // gas legacyOptimized: 294801
diff --git a/test/libsolidity/semanticTests/array/pop/byte_array_pop_copy_long.sol b/test/libsolidity/semanticTests/array/pop/byte_array_pop_copy_long.sol
index 6967b2291..a425fd02c 100644
--- a/test/libsolidity/semanticTests/array/pop/byte_array_pop_copy_long.sol
+++ b/test/libsolidity/semanticTests/array/pop/byte_array_pop_copy_long.sol
@@ -12,6 +12,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 0x20, 29, 0x0303030303030303030303030303030303030303030303030303030303000000
-// gas irOptimized: 109503
+// gas irOptimized: 109504
 // gas legacy: 127309
 // gas legacyOptimized: 123625
diff --git a/test/libsolidity/semanticTests/array/pop/byte_array_pop_masking_long.sol b/test/libsolidity/semanticTests/array/pop/byte_array_pop_masking_long.sol
index 3aeb8e222..e7a9d5534 100644
--- a/test/libsolidity/semanticTests/array/pop/byte_array_pop_masking_long.sol
+++ b/test/libsolidity/semanticTests/array/pop/byte_array_pop_masking_long.sol
@@ -12,6 +12,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 0x20, 33, 0x303030303030303030303030303030303030303030303030303030303030303, 0x0300000000000000000000000000000000000000000000000000000000000000
-// gas irOptimized: 108493
+// gas irOptimized: 108494
 // gas legacy: 126187
 // gas legacyOptimized: 122769
diff --git a/test/libsolidity/semanticTests/array/reusing_memory.sol b/test/libsolidity/semanticTests/array/reusing_memory.sol
index 4002a303c..69869b8aa 100644
--- a/test/libsolidity/semanticTests/array/reusing_memory.sol
+++ b/test/libsolidity/semanticTests/array/reusing_memory.sol
@@ -26,6 +26,6 @@ contract Main {
 // compileViaYul: also
 // ----
 // f(uint256): 0x34 -> 0x46bddb1178e94d7f2892ff5f366840eb658911794f2c3a44c450aa2c505186c1
-// gas irOptimized: 113776
+// gas irOptimized: 113778
 // gas legacy: 126852
 // gas legacyOptimized: 114015
diff --git a/test/libsolidity/semanticTests/constructor/arrays_in_constructors.sol b/test/libsolidity/semanticTests/constructor/arrays_in_constructors.sol
index 89a3d0a72..d559a063c 100644
--- a/test/libsolidity/semanticTests/constructor/arrays_in_constructors.sol
+++ b/test/libsolidity/semanticTests/constructor/arrays_in_constructors.sol
@@ -26,6 +26,6 @@ contract Creator {
 // compileViaYul: also
 // ----
 // f(uint256,address[]): 7, 0x40, 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 -> 7, 8
-// gas irOptimized: 459004
+// gas irOptimized: 459005
 // gas legacy: 592626
 // gas legacyOptimized: 448023
diff --git a/test/libsolidity/semanticTests/constructor/bytes_in_constructors_packer.sol b/test/libsolidity/semanticTests/constructor/bytes_in_constructors_packer.sol
index 93f6731b9..cd3fa88fe 100644
--- a/test/libsolidity/semanticTests/constructor/bytes_in_constructors_packer.sol
+++ b/test/libsolidity/semanticTests/constructor/bytes_in_constructors_packer.sol
@@ -26,6 +26,6 @@ contract Creator {
 // compileViaYul: also
 // ----
 // f(uint256,bytes): 7, 0x40, 78, "abcdefghijklmnopqrstuvwxyzabcdef", "ghijklmnopqrstuvwxyzabcdefghijkl", "mnopqrstuvwxyz" -> 7, "h"
-// gas irOptimized: 308702
+// gas irOptimized: 308705
 // gas legacy: 429173
-// gas legacyOptimized: 298280
+// gas legacyOptimized: 298281
diff --git a/test/libsolidity/semanticTests/events/event_indexed_string.sol b/test/libsolidity/semanticTests/events/event_indexed_string.sol
index dee51918f..7e573df4e 100644
--- a/test/libsolidity/semanticTests/events/event_indexed_string.sol
+++ b/test/libsolidity/semanticTests/events/event_indexed_string.sol
@@ -19,6 +19,6 @@ contract C {
 // ----
 // deposit() ->
 // ~ emit E(string,uint256[4]): #0xa7fb06bb999a5eb9aff9e0779953f4e1e4ce58044936c2f51c7fb879b85c08bd, #0xe755d8cc1a8cde16a2a31160dcd8017ac32d7e2f13215b29a23cdae40a78aa81
-// gas irOptimized: 343396
+// gas irOptimized: 343397
 // gas legacy: 390742
-// gas legacyOptimized: 372772
+// gas legacyOptimized: 372773
diff --git a/test/libsolidity/semanticTests/externalContracts/ramanujan_pi.sol b/test/libsolidity/semanticTests/externalContracts/ramanujan_pi.sol
index 619933fb7..d63a65f35 100644
--- a/test/libsolidity/semanticTests/externalContracts/ramanujan_pi.sol
+++ b/test/libsolidity/semanticTests/externalContracts/ramanujan_pi.sol
@@ -39,6 +39,6 @@ contract test {
 // gas legacy: 733634
 // gas legacyOptimized: 481376
 // prb_pi() -> 3141592656369545286
-// gas irOptimized: 57405
+// gas irOptimized: 57411
 // gas legacy: 98903
 // gas legacyOptimized: 74312
diff --git a/test/libsolidity/semanticTests/functionTypes/store_function.sol b/test/libsolidity/semanticTests/functionTypes/store_function.sol
index d063cd4d0..efb3e82b0 100644
--- a/test/libsolidity/semanticTests/functionTypes/store_function.sol
+++ b/test/libsolidity/semanticTests/functionTypes/store_function.sol
@@ -28,6 +28,6 @@ contract C {
 // compileViaYul: also
 // ----
 // t() -> 9
-// gas irOptimized: 99186
+// gas irOptimized: 99187
 // gas legacy: 159083
 // gas legacyOptimized: 108067
diff --git a/test/libsolidity/semanticTests/immutable/multi_creation.sol b/test/libsolidity/semanticTests/immutable/multi_creation.sol
index aef9c0631..e7ce92a0a 100644
--- a/test/libsolidity/semanticTests/immutable/multi_creation.sol
+++ b/test/libsolidity/semanticTests/immutable/multi_creation.sol
@@ -29,7 +29,7 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 3, 7, 5
-// gas irOptimized: 127592
+// gas irOptimized: 127594
 // gas legacy: 151590
 // gas legacyOptimized: 125400
 // x() -> 7
diff --git a/test/libsolidity/semanticTests/inheritance/address_overload_resolution.sol b/test/libsolidity/semanticTests/inheritance/address_overload_resolution.sol
index 0dc9845f4..2d5118c5a 100644
--- a/test/libsolidity/semanticTests/inheritance/address_overload_resolution.sol
+++ b/test/libsolidity/semanticTests/inheritance/address_overload_resolution.sol
@@ -23,7 +23,7 @@ contract D {
 // compileViaYul: also
 // ----
 // f() -> 1
-// gas irOptimized: 77164
+// gas irOptimized: 77165
 // gas legacy: 115012
 // g() -> 5
 // gas irOptimized: 77231
diff --git a/test/libsolidity/semanticTests/interface_inheritance_conversions.sol b/test/libsolidity/semanticTests/interface_inheritance_conversions.sol
index 11cb93832..2186b4115 100644
--- a/test/libsolidity/semanticTests/interface_inheritance_conversions.sol
+++ b/test/libsolidity/semanticTests/interface_inheritance_conversions.sol
@@ -39,8 +39,8 @@ contract C {
 // convertParent() -> 1
 // gas irOptimized: 85640
 // convertSubA() -> 1, 2
-// gas irOptimized: 86395
+// gas irOptimized: 86396
 // gas legacy: 99303
 // convertSubB() -> 1, 3
-// gas irOptimized: 86338
+// gas irOptimized: 86339
 // gas legacy: 99237
diff --git a/test/libsolidity/semanticTests/salted_create/salted_create_with_value.sol b/test/libsolidity/semanticTests/salted_create/salted_create_with_value.sol
index 40b45cb15..2452b8185 100644
--- a/test/libsolidity/semanticTests/salted_create/salted_create_with_value.sol
+++ b/test/libsolidity/semanticTests/salted_create/salted_create_with_value.sol
@@ -22,6 +22,6 @@ contract A {
 // compileViaYul: also
 // ----
 // f(), 10 ether -> 3007, 3008, 3009
-// gas irOptimized: 273275
+// gas irOptimized: 273277
 // gas legacy: 422885
 // gas legacyOptimized: 288336
diff --git a/test/libsolidity/semanticTests/structs/struct_containing_bytes_copy_and_delete.sol b/test/libsolidity/semanticTests/structs/struct_containing_bytes_copy_and_delete.sol
index 6f486bed2..68ada0a50 100644
--- a/test/libsolidity/semanticTests/structs/struct_containing_bytes_copy_and_delete.sol
+++ b/test/libsolidity/semanticTests/structs/struct_containing_bytes_copy_and_delete.sol
@@ -25,7 +25,7 @@ contract c {
 // ----
 // storageEmpty -> 1
 // set(uint256,bytes,uint256): 12, 0x60, 13, 33, "12345678901234567890123456789012", "3" -> true
-// gas irOptimized: 133752
+// gas irOptimized: 133753
 // gas legacy: 134436
 // gas legacyOptimized: 133811
 // test(uint256): 32 -> "3"
diff --git a/test/libsolidity/semanticTests/structs/struct_copy.sol b/test/libsolidity/semanticTests/structs/struct_copy.sol
index 6c03c8895..cb5e5825f 100644
--- a/test/libsolidity/semanticTests/structs/struct_copy.sol
+++ b/test/libsolidity/semanticTests/structs/struct_copy.sol
@@ -43,7 +43,7 @@ contract c {
 // gas legacyOptimized: 109995
 // retrieve(uint256): 7 -> 1, 3, 4, 2
 // copy(uint256,uint256): 7, 8 -> true
-// gas irOptimized: 118707
+// gas irOptimized: 118709
 // gas legacy: 119166
 // gas legacyOptimized: 118606
 // retrieve(uint256): 7 -> 1, 3, 4, 2
diff --git a/test/libsolidity/semanticTests/various/destructuring_assignment.sol b/test/libsolidity/semanticTests/various/destructuring_assignment.sol
index dac82a494..a1ac3b05d 100644
--- a/test/libsolidity/semanticTests/various/destructuring_assignment.sol
+++ b/test/libsolidity/semanticTests/various/destructuring_assignment.sol
@@ -36,6 +36,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f(bytes): 0x20, 0x5, "abcde" -> 0
-// gas irOptimized: 240685
+// gas irOptimized: 240686
 // gas legacy: 240358
 // gas legacyOptimized: 239619
diff --git a/test/libsolidity/semanticTests/various/skip_dynamic_types_for_structs.sol b/test/libsolidity/semanticTests/various/skip_dynamic_types_for_structs.sol
index 8475673a9..d177d4d79 100644
--- a/test/libsolidity/semanticTests/various/skip_dynamic_types_for_structs.sol
+++ b/test/libsolidity/semanticTests/various/skip_dynamic_types_for_structs.sol
@@ -22,6 +22,6 @@ contract C {
 // compileViaYul: also
 // ----
 // g() -> 2, 6
-// gas irOptimized: 178953
+// gas irOptimized: 178955
 // gas legacy: 180890
 // gas legacyOptimized: 179536