Add G023 rule to flag unused capacity allocations in memory arrays - #746
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mijinummi merged 1 commit intoJul 29, 2026
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Detects memory array allocations with fixed sizes where no population loop is present, flagging wasted memory expansion gas. Closes MDTechLabs#740
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Summary
Added static rule G023 to detect memory array declarations initialized with large fixed sizes that are not fully populated, flagging unnecessary memory expansion gas costs.
Changes
rules/g023_memory_array_allocation.rswith AST pattern detectionnew uintX[](size)declarations without matching population loopstest/fixtures/g023_samples.solwith positive and negative samplesCloses #740
Closes #743
Closes #742
Closes #741