message: Clear domtree after cg_clif optimizations
diff: @@ -117,6 +117,9 @@ pub(crate) fn codegen_fn<'tcx>(
  context.compute_domtree();
  context.eliminate_unreachable_code(cx.module.isa()).unwrap();
  context.dce(cx.module.isa()).unwrap();
  + // Some Cranelift optimizations expect the domtree to not yet be computed and as such don't
  + // invalidate it when it would change.
  + context.domtree.clear();
  context.want_disasm = crate::pretty_clif::should_write_ir(tcx);
  