Fix rustc test suite

Author: bjorn3

scripts/test_rustc_tests.sh

@@ -122,7 +122,6 @@ rm tests/ui/typeck/issue-46112.rs # same
 rm tests/ui/consts/const_cmp_type_id.rs # same
 rm tests/ui/consts/issue-73976-monomorphic.rs # same
 rm tests/ui/rfcs/rfc-3348-c-string-literals/non-ascii.rs # same
-rm tests/ui/consts/const-eval/nonnull_as_ref_ub.rs # same
 rm tests/ui/consts/issue-94675.rs # same
 rm tests/ui/associated-types/issue-85103-layout-debug.rs # same
 

src/driver/aot.rs

@@ -415,8 +415,7 @@ pub(crate) fn run_aot(
                             )
                             .0
                     }
-                    CguReuse::PreLto => unreachable!("LTO not yet supported"),
-                    CguReuse::PostLto => {
+                    CguReuse::PreLto | CguReuse::PostLto => {
                         concurrency_limiter.job_already_done();
                         OngoingModuleCodegen::Sync(reuse_workproduct_for_cgu(tcx, cgu))
                     }