//! CSE adversarial test suites — split per concern in the original tree.
modcse_does_not_alias_literal_through_mutable_variable;modcse_intern_dedups_structurally;modcse_rewrites_call_args_without_extra_prefix_growth;modcse_scoped_side_effect_invalidates_without_leaking;modcse_still_eliminates_non_literal_common_subexpressions;