julia

3e7d796c - optimizer: exclude `ConditionalsLattice` from the optimizer lattice (#47575)

optimizer: exclude `ConditionalsLattice` from the optimizer lattice (#47575) Since `Conditional`s (should) never appear within the optimization. Also added a missing widening of `Conditional`s in `slottypes` (a.k.a. `argtypes` in optimization) so that they never appear in the optimization.