solidity/test/libyul/yulOptimizerTests/commonSubexpressionEliminator/scopes.yul

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{
let a := 10
let x := 20
{
let b := calldataload(0)
let d := calldataload(1)
x := d
}
// We had a bug where "calldataload(0)" was incorrectly replaced by "b"
mstore(0, calldataload(0))
mstore(0, x)
}
// ----
// commonSubexpressionEliminator
// {
// let a := 10
// let x := 20
// {
// let b := calldataload(0)
// let d := calldataload(1)
// x := d
// }
// mstore(0, calldataload(0))
// mstore(0, x)
// }