From 9e6dfba38392febcd2be1322a4f90455c1187067 Mon Sep 17 00:00:00 2001
From: bjorn3 <17426603+bjorn3@users.noreply.github.com>
Date: Sun, 19 Feb 2023 17:22:03 +0000
Subject: [PATCH] Allow codegen to unsize dyn* to dyn

cg_clif counterpart to rust-lang/rust#106532
---
 scripts/test_rustc_tests.sh | 1 -
 src/unsize.rs               | 4 +---
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/scripts/test_rustc_tests.sh b/scripts/test_rustc_tests.sh
index e14a129dbc2..c44b34d96bd 100755
--- a/scripts/test_rustc_tests.sh
+++ b/scripts/test_rustc_tests.sh
@@ -113,7 +113,6 @@ rm tests/ui/simd/intrinsic/generic-reduction-pass.rs # simd_reduce_add_unordered
 rm tests/ui/simd/intrinsic/generic-as.rs # crash when accessing vector type filed (#1318)
 rm tests/ui/simd/simd-bitmask.rs # crash
 
-rm tests/ui/dyn-star/dyn-star-to-dyn.rs
 rm tests/ui/dyn-star/dispatch-on-pin-mut.rs
 
 # bugs in the test suite
diff --git a/src/unsize.rs b/src/unsize.rs
index e400d476db5..ecf187a0b0f 100644
--- a/src/unsize.rs
+++ b/src/unsize.rs
@@ -28,9 +28,7 @@ pub(crate) fn unsized_info<'tcx>(
         (
             &ty::Dynamic(ref data_a, _, src_dyn_kind),
             &ty::Dynamic(ref data_b, _, target_dyn_kind),
-        ) => {
-            assert_eq!(src_dyn_kind, target_dyn_kind);
-
+        ) if src_dyn_kind == target_dyn_kind => {
             let old_info =
                 old_info.expect("unsized_info: missing old info for trait upcasting coercion");
             if data_a.principal_def_id() == data_b.principal_def_id() {