[pull] forks/amsterdam from ethereum:forks/amsterdam#258
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…2995) Co-authored-by: raxhvl <10168946+raxhvl@users.noreply.github.com>
Add `test_max_code_size_jumpdest_in_immediate`, which places a `0x5B` as the last byte of a `MAX_CODE_SIZE` contract, right after an immediate-carrying opcode, and jumps to it: - `PUSH1`: The `0x5B` is push data, always skipped, so the jump is rejected. - `DUPN`/`SWAPN`/`EXCHANGE`: Per EIP-8024 the `0x5B` is an invalid immediate, kept at an instruction boundary, so it stays a valid `JUMPDEST` and the jump is accepted. Exercises the immediate-skipping branches of jumpdest analysis well past the old 24 KiB code and 48 KiB initcode limits.
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