Compiling ndarray: alignment mismatch between ABI and layout · Issue #99836 · rust-lang/rust (original) (raw)

thread 'rustc' panicked at 'assertion failed: `(left == right)`
  left: `Align(8 bytes)`,
 right: `Align(1 bytes)`: alignment mismatch between ABI and layout in Layout {
    fields: Arbitrary {
        offsets: [
            Size(0 bytes),
        ],
        memory_index: [
            0,
        ],
    },
    variants: Multiple {
        tag: Initialized {
            value: Int(
                I8,
                false,
            ),
            valid_range: 0..=6,
        },
        tag_encoding: Niche {
            dataful_variant: 1,
            niche_variants: 0..=0,
            niche_start: 0,
        },
        tag_field: 0,
        variants: [
            Layout {
                fields: Arbitrary {
                    offsets: [
                        Size(0 bytes),
                    ],
                    memory_index: [
                        0,
                    ],
                },
                variants: Single {
                    index: 0,
                },
                abi: Aggregate {
                    sized: true,
                },
                largest_niche: None,
                align: AbiAndPrefAlign {
                    abi: Align(8 bytes),
                    pref: Align(8 bytes),
                },
                size: Size(0 bytes),
            },
            Layout {
                fields: Arbitrary {
                    offsets: [
                        Size(0 bytes),
                    ],
                    memory_index: [
                        0,
                    ],
                },
                variants: Single {
                    index: 1,
                },
                abi: Scalar(
                    Initialized {
                        value: Int(
                            I8,
                            false,
                        ),
                        valid_range: 1..=6,
                    },
                ),
                largest_niche: Some(
                    Niche {
                        offset: Size(0 bytes),
                        value: Int(
                            I8,
                            false,
                        ),
                        valid_range: 1..=6,
                    },
                ),
                align: AbiAndPrefAlign {
                    abi: Align(1 bytes),
                    pref: Align(8 bytes),
                },
                size: Size(1 bytes),
            },
        ],
    },
    abi: Scalar(
        Initialized {
            value: Int(
                I8,
                false,
            ),
            valid_range: 0..=6,
        },
    ),
    largest_niche: Some(
        Niche {
            offset: Size(0 bytes),
            value: Int(
                I8,
                false,
            ),
            valid_range: 0..=6,
        },
    ),
    align: AbiAndPrefAlign {
        abi: Align(8 bytes),
        pref: Align(8 bytes),
    },
    size: Size(1 bytes),
}', compiler/rustc_middle/src/ty/layout.rs:240:21
stack backtrace:
   0: rust_begin_unwind
   1: core::panicking::panic_fmt
   2: core::panicking::assert_failed_inner
   3: core::panicking::assert_failed::<rustc_target::abi::Align, rustc_target::abi::Align>
   4: rustc_middle::ty::layout::sanity_check_layout::check_layout_abi
   5: rustc_middle::ty::context::tls::with_context::<rustc_middle::ty::context::tls::with_related_context<rustc_middle::ty::layout::layout_of::{closure#0}, core::result::Result<rustc_target::abi::TyAndLayout<rustc_middle::ty::Ty>, rustc_middle::ty::layout::LayoutError>>::{closure#0}, core::result::Result<rustc_target::abi::TyAndLayout<rustc_middle::ty::Ty>, rustc_middle::ty::layout::LayoutError>>::{closure#0}
   6: rustc_middle::ty::layout::layout_of
   7: <rustc_middle::dep_graph::dep_node::DepKind as rustc_query_system::dep_graph::DepKind>::with_deps::<<rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task_impl<rustc_middle::ty::context::TyCtxt, rustc_middle::ty::ParamEnvAnd<rustc_middle::ty::Ty>, core::result::Result<rustc_target::abi::TyAndLayout<rustc_middle::ty::Ty>, rustc_middle::ty::layout::LayoutError>>::{closure#0}, core::result::Result<rustc_target::abi::TyAndLayout<rustc_middle::ty::Ty>, rustc_middle::ty::layout::LayoutError>>
   8: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, rustc_middle::ty::ParamEnvAnd<rustc_middle::ty::Ty>, core::result::Result<rustc_target::abi::TyAndLayout<rustc_middle::ty::Ty>, rustc_middle::ty::layout::LayoutError>>
   9: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::layout_of, rustc_query_impl::plumbing::QueryCtxt>
  10: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::layout_of
  11: <rustc_mir_transform::const_prop::CanConstProp>::check
  12: <rustc_mir_transform::const_prop_lint::ConstProp as rustc_mir_transform::pass_manager::MirLint>::run_lint
  13: rustc_mir_transform::pass_manager::run_passes
  14: rustc_mir_transform::run_post_borrowck_cleanup_passes
  15: rustc_mir_transform::mir_drops_elaborated_and_const_checked
  16: <rustc_middle::dep_graph::dep_node::DepKind as rustc_query_system::dep_graph::DepKind>::with_deps::<<rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task_impl<rustc_middle::ty::context::TyCtxt, rustc_middle::ty::WithOptConstParam<rustc_span::def_id::LocalDefId>, &rustc_data_structures::steal::Steal<rustc_middle::mir::Body>>::{closure#0}, &rustc_data_structures::steal::Steal<rustc_middle::mir::Body>>
  17: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, rustc_middle::ty::WithOptConstParam<rustc_span::def_id::LocalDefId>, &rustc_data_structures::steal::Steal<rustc_middle::mir::Body>>
  18: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::DefaultCache<rustc_middle::ty::WithOptConstParam<rustc_span::def_id::LocalDefId>, &rustc_data_structures::steal::Steal<rustc_middle::mir::Body>>>
  19: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::mir_drops_elaborated_and_const_checked, rustc_query_impl::plumbing::QueryCtxt>
  20: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::mir_drops_elaborated_and_const_checked
  21: rustc_mir_transform::optimized_mir
  22: <rustc_middle::dep_graph::dep_node::DepKind as rustc_query_system::dep_graph::DepKind>::with_deps::<<rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task_impl<rustc_middle::ty::context::TyCtxt, rustc_span::def_id::DefId, &rustc_middle::mir::Body>::{closure#0}, &rustc_middle::mir::Body>
  23: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, rustc_span::def_id::DefId, &rustc_middle::mir::Body>
  24: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::DefaultCache<rustc_span::def_id::DefId, &rustc_middle::mir::Body>>
  25: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::optimized_mir, rustc_query_impl::plumbing::QueryCtxt>
  26: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::optimized_mir
  27: <rustc_metadata::rmeta::encoder::EncodeContext>::encode_crate_root
  28: rustc_metadata::rmeta::encoder::encode_metadata_impl
  29: rustc_data_structures::sync::join::<rustc_metadata::rmeta::encoder::encode_metadata::{closure#0}, rustc_metadata::rmeta::encoder::encode_metadata::{closure#1}, (), ()>
  30: rustc_metadata::rmeta::encoder::encode_metadata
  31: rustc_metadata::fs::encode_and_write_metadata
  32: rustc_interface::passes::start_codegen
  33: <rustc_interface::passes::QueryContext>::enter::<<rustc_interface::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}, core::result::Result<alloc::boxed::Box<dyn core::any::Any>, rustc_errors::ErrorGuaranteed>>
  34: <rustc_interface::queries::Query<alloc::boxed::Box<dyn core::any::Any>>>::compute::<<rustc_interface::queries::Queries>::ongoing_codegen::{closure#0}>
  35: <rustc_interface::interface::Compiler>::enter::<rustc_driver::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_errors::ErrorGuaranteed>>
  36: rustc_span::with_source_map::<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_interface::interface::create_compiler_and_run<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#1}>
  37: rustc_interface::interface::create_compiler_and_run::<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>
  38: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>:📐:<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

error: internal compiler error: unexpected panic

note: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.64.0-dev running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 -C incremental

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [layout_of] computing layout of `core::result::Result<slice::SliceInfo<[slice::SliceInfoElem; 0], Din, Dout>, error::ShapeError>`
#1 [mir_drops_elaborated_and_const_checked] elaborating drops for `slice::<impl at src/slice.rs:557:9: 558:60>::try_from`
#2 [optimized_mir] optimizing MIR for `slice::<impl at src/slice.rs:557:9: 558:60>::try_from`
end of query stack