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Allow codegen to unsize dyn* to dyn

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cg_clif counterpart to rust-lang/rust#106532
This commit is contained in:
bjorn3 2023-02-19 17:22:03 +00:00
parent b08762493c
commit 9e6dfba383
2 changed files with 1 additions and 4 deletions
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1
scripts/test_rustc_tests.sh
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@ -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/intrinsic/generic-as.rs # crash when accessing vector type filed (#1318)
rm tests/ui/simd/simd-bitmask.rs # crash 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 rm tests/ui/dyn-star/dispatch-on-pin-mut.rs
# bugs in the test suite # bugs in the test suite

4
src/unsize.rs
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@ -28,9 +28,7 @@ pub(crate) fn unsized_info<'tcx>(
( (
&ty::Dynamic(ref data_a, _, src_dyn_kind), &ty::Dynamic(ref data_a, _, src_dyn_kind),
&ty::Dynamic(ref data_b, _, target_dyn_kind), &ty::Dynamic(ref data_b, _, target_dyn_kind),
) => { ) if src_dyn_kind == target_dyn_kind => {
assert_eq!(src_dyn_kind, target_dyn_kind);
let old_info = let old_info =
old_info.expect("unsized_info: missing old info for trait upcasting coercion"); old_info.expect("unsized_info: missing old info for trait upcasting coercion");
if data_a.principal_def_id() == data_b.principal_def_id() { if data_a.principal_def_id() == data_b.principal_def_id() {