Fix UB when emiting warning for empty contracts with custom layout near the end of storage#16682
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matheusaaguiar wants to merge 2 commits into
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Fix UB when emiting warning for empty contracts with custom layout near the end of storage#16682matheusaaguiar wants to merge 2 commits into
matheusaaguiar wants to merge 2 commits into
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msooseth
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May 7, 2026
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LGTM, but I am bad at reviews.
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matheusaaguiar
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May 7, 2026
| for (ContractDefinition const* baseContract: ranges::actions::reverse(_contract.annotation().linearizedBaseContracts)) | ||
| for (VariableDeclaration const* stateVariable: ranges::actions::reverse(baseContract->stateVariables())) | ||
| if (stateVariable->referenceLocation() == VariableDeclaration::Location::Unspecified) | ||
| for (ContractDefinition const* baseContract: _contract.annotation().linearizedBaseContracts) |
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I realized that linearizedBaseContracts is in order of the most-derived to most-base.
The last storage variable of the most-derived is the one which is closer to the end of storage.
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| !stateVariable->isConstant() && | ||
| !stateVariable->immutable() |
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Also need this to filter constants and immutables which are stored directly in the bytecode.
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Fix #16681 and #16678.