ICE due to bad sized to unsized pointer cast in const item

[AidoP]

Code

pub struct Data([u8]);
const _: &'static Data = unsafe { &*(&[] as *const Data) };

Playgrounds

Meta

rustc --version --verbose:

rustc 1.72.1 (d5c2e9c34 2023-09-13)
binary: rustc
commit-hash: d5c2e9c342b358556da91d61ed4133f6f50fc0c3
commit-date: 2023-09-13
host: x86_64-unknown-linux-gnu
release: 1.72.1
LLVM version: 16.0.5

On playgrounds it seemed to affect release and debug for stable, nightly and beta.

Error output

error: internal compiler error: compiler/rustc_const_eval/src/interpret/place.rs:36:17: expected wide pointer extra data (e.g. slice length or trait object vtable)

Backtrace

``` lorix ~ %RUST_BACKTRACE=full rustc --crate-type lib ice.rs returned 101 error: internal compiler error: compiler/rustc_const_eval/src/interpret/place.rs:36:17: expected wide pointer extra data (e.g. slice length or trait object vtable) thread 'rustc' panicked at 'Box', /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/compiler/rustc_errors/src/lib.rs:1651:9 stack backtrace: 0: 0x7fba78362b51 - std::backtrace_rs::backtrace::libunwind::trace::h66dc1c6acf794faa at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 1: 0x7fba78362b51 - std::backtrace_rs::backtrace::trace_unsynchronized::ha80d20099a67f790 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 2: 0x7fba78362b51 - std::sys_common::backtrace::_print_fmt::h7b959d43f35f16d4 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/sys_common/backtrace.rs:65:5 3: 0x7fba78362b51 - ::fmt::hdaa196410d9ee0b9 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/sys_common/backtrace.rs:44:22 4: 0x7fba783c96ff - core::fmt::rt::Argument::fmt::h0ddfbbe8be3f80d0 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/core/src/fmt/rt.rs:138:9 5: 0x7fba783c96ff - core::fmt::write::h66b3c629f3d623e4 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/core/src/fmt/mod.rs:1094:21 6: 0x7fba78355497 - std::io::Write::write_fmt::hb6d80fba4115e0c2 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/io/mod.rs:1714:15 7: 0x7fba78362965 - std::sys_common::backtrace::_print::h1a49cfb0cf3cce17 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/sys_common/backtrace.rs:47:5 8: 0x7fba78362965 - std::sys_common::backtrace::print::hca95c2d0055e42a2 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/sys_common/backtrace.rs:34:9 9: 0x7fba78365743 - std::panicking::default_hook::{{closure}}::hc03c01c56bca600c at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/panicking.rs:269:22 10: 0x7fba783654d4 - std::panicking::default_hook::hb2cb5315b6634f1c at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/panicking.rs:288:9 11: 0x7fba7b66b60b - rustc_driver_impl[e91af841be79713a]::install_ice_hook::{closure#0} 12: 0x7fba78365f6e - as core::ops::function::Fn>::call::hb3a915ffd78277c6 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/alloc/src/boxed.rs:2007:9 13: 0x7fba78365f6e - std::panicking::rust_panic_with_hook::h75cd912a39a34e8a at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/panicking.rs:709:13 14: 0x7fba7bc22921 - std[74d10c9f32099e86]::panicking::begin_panic::::{closure#0} 15: 0x7fba7bc214b6 - std[74d10c9f32099e86]::sys_common::backtrace::__rust_end_short_backtrace::::{closure#0}, !> 16: 0x7fba7bbce646 - std[74d10c9f32099e86]::panicking::begin_panic:: 17: 0x7fba7bb896d4 - ::bug:: 18: 0x7fba7bb89556 - ::bug:: 19: 0x7fba7bb636cc - rustc_middle[fbd75b4db2cdb7e6]::util::bug::opt_span_bug_fmt::::{closure#0} 20: 0x7fba7bb5efba - rustc_middle[fbd75b4db2cdb7e6]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} 21: 0x7fba7bb5ef8a - rustc_middle[fbd75b4db2cdb7e6]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> 22: 0x7fba79da9efd - rustc_middle[fbd75b4db2cdb7e6]::util::bug::bug_fmt 23: 0x7fba79ad4ab6 - >::size_and_align_of 24: 0x7fba79ad480b - >::size_and_align_of 25: 0x7fba79a6fe05 - >::statement 26: 0x7fba79a6a59a - rustc_const_eval[88869f152bb01255]::const_eval::eval_queries::eval_to_allocation_raw_provider 27: 0x7fba796cc0c7 - rustc_query_impl[e7af9ba2ee20c49a]::plumbing::__rust_begin_short_backtrace::> 28: 0x7fba7a289f2c - rustc_query_system[8b63fd0ca5778b73]::query::plumbing::try_execute_query::, rustc_middle[fbd75b4db2cdb7e6]::query::erase::Erased<[u8; 16usize]>>, false, false, false>, rustc_query_impl[e7af9ba2ee20c49a]::plumbing::QueryCtxt, false> 29: 0x7fba7a289bed - rustc_query_impl[e7af9ba2ee20c49a]::query_impl::eval_to_allocation_raw::get_query_non_incr::__rust_end_short_backtrace 30: 0x7fba7aa9ceb6 - rustc_const_eval[88869f152bb01255]::const_eval::eval_queries::eval_to_const_value_raw_provider 31: 0x7fba79689c87 - rustc_query_impl[e7af9ba2ee20c49a]::plumbing::__rust_begin_short_backtrace::> 32: 0x7fba7a2b1bdb - rustc_query_system[8b63fd0ca5778b73]::query::plumbing::try_execute_query::, rustc_middle[fbd75b4db2cdb7e6]::query::erase::Erased<[u8; 32usize]>>, false, false, false>, rustc_query_impl[e7af9ba2ee20c49a]::plumbing::QueryCtxt, false> 33: 0x7fba7a2b17cd - rustc_query_impl[e7af9ba2ee20c49a]::query_impl::eval_to_const_value_raw::get_query_non_incr::__rust_end_short_backtrace 34: 0x7fba7aa9c614 - rustc_const_eval[88869f152bb01255]::const_eval::eval_queries::eval_to_const_value_raw_provider 35: 0x7fba79689c87 - rustc_query_impl[e7af9ba2ee20c49a]::plumbing::__rust_begin_short_backtrace::> 36: 0x7fba7a2b1bdb - rustc_query_system[8b63fd0ca5778b73]::query::plumbing::try_execute_query::, rustc_middle[fbd75b4db2cdb7e6]::query::erase::Erased<[u8; 32usize]>>, false, false, false>, rustc_query_impl[e7af9ba2ee20c49a]::plumbing::QueryCtxt, false> 37: 0x7fba7a2b17cd - rustc_query_impl[e7af9ba2ee20c49a]::query_impl::eval_to_const_value_raw::get_query_non_incr::__rust_end_short_backtrace 38: 0x7fba7973f46c - ::const_eval_poly 39: 0x7fba7973a4f3 - ::check_item 40: 0x7fba79736a21 - rustc_hir[7b007da93fd56bed]::intravisit::walk_mod::> 41: 0x7fba79736336 - rustc_lint[8d94bab7becf7711]::late::late_lint_mod:: 42: 0x7fba797360ec - rustc_lint[8d94bab7becf7711]::lint_mod 43: 0x7fba7a2b356c - rustc_query_impl[e7af9ba2ee20c49a]::plumbing::__rust_begin_short_backtrace::> 44: 0x7fba7a2b354e - >::call_once 45: 0x7fba79d71cff - rustc_query_system[8b63fd0ca5778b73]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[e7af9ba2ee20c49a]::plumbing::QueryCtxt, false> 46: 0x7fba7afe1754 - rustc_query_impl[e7af9ba2ee20c49a]::query_impl::lint_mod::get_query_non_incr::__rust_end_short_backtrace 47: 0x7fba7aa2af17 - rustc_data_structures[bf281432ed14a641]::sync::par_for_each_in::<&[rustc_hir[7b007da93fd56bed]::hir_id::OwnerId], ::par_for_each_module::{closure#1}::{closure#0}::{closure#0}>::{closure#0}> 48: 0x7fba7aa2ac65 - ::time::<(), rustc_lint[8d94bab7becf7711]::late::check_crate::{closure#1}::{closure#0}> 49: 0x7fba7aa2a89e - ::time::<(), rustc_interface[9522ab489a5f66e6]::passes::analysis::{closure#5}::{closure#1}::{closure#2}::{closure#0}> 50: 0x7fba7aa2a3bf - as core[63ccc595abf60ca6]::ops::function::FnOnce<()>>::call_once 51: 0x7fba7aa29db0 - ::time::<(), rustc_interface[9522ab489a5f66e6]::passes::analysis::{closure#5}> 52: 0x7fba7aa28887 - rustc_interface[9522ab489a5f66e6]::passes::analysis 53: 0x7fba7aa8f3ea - rustc_query_impl[e7af9ba2ee20c49a]::plumbing::__rust_begin_short_backtrace::> 54: 0x7fba7aa8f3d9 - >::call_once 55: 0x7fba7acae458 - rustc_query_system[8b63fd0ca5778b73]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[e7af9ba2ee20c49a]::plumbing::QueryCtxt, false> 56: 0x7fba7acae229 - rustc_query_impl[e7af9ba2ee20c49a]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace 57: 0x7fba7ab238e2 - >::enter::, rustc_driver_impl[e91af841be79713a]::run_compiler::{closure#1}::{closure#2}::{closure#4}> 58: 0x7fba7ab22587 - ::enter::, rustc_span[ca0c6fb73220b455]::ErrorGuaranteed>> 59: 0x7fba7ab1f7b5 - rustc_span[ca0c6fb73220b455]::set_source_map::, rustc_interface[9522ab489a5f66e6]::interface::run_compiler, rustc_driver_impl[e91af841be79713a]::run_compiler::{closure#1}>::{closure#0}::{closure#0}> 60: 0x7fba7ab1f226 - >::set::, rustc_driver_impl[e91af841be79713a]::run_compiler::{closure#1}>::{closure#0}, core[63ccc595abf60ca6]::result::Result<(), rustc_span[ca0c6fb73220b455]::ErrorGuaranteed>> 61: 0x7fba7ab1e7ec - std[74d10c9f32099e86]::sys_common::backtrace::__rust_begin_short_backtrace::, rustc_driver_impl[e91af841be79713a]::run_compiler::{closure#1}>::{closure#0}, core[63ccc595abf60ca6]::result::Result<(), rustc_span[ca0c6fb73220b455]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[63ccc595abf60ca6]::result::Result<(), rustc_span[ca0c6fb73220b455]::ErrorGuaranteed>> 62: 0x7fba7aea53b5 - <::spawn_unchecked_, rustc_driver_impl[e91af841be79713a]::run_compiler::{closure#1}>::{closure#0}, core[63ccc595abf60ca6]::result::Result<(), rustc_span[ca0c6fb73220b455]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[63ccc595abf60ca6]::result::Result<(), rustc_span[ca0c6fb73220b455]::ErrorGuaranteed>>::{closure#1} as core[63ccc595abf60ca6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} 63: 0x7fba78370425 - as core::ops::function::FnOnce>::call_once::hde6e666388faa495 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/alloc/src/boxed.rs:1993:9 64: 0x7fba78370425 - as core::ops::function::FnOnce>::call_once::h9b6389e489a4842f at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/alloc/src/boxed.rs:1993:9 65: 0x7fba78370425 - std::sys::unix::thread::Thread::new::thread_start::hcab660740b858b1f at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/sys/unix/thread.rs:108:17 66: 0x7fba7808c9eb - 67: 0x7fba78110dfc - 68: 0x0 - 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 1.72.1 (d5c2e9c34 2023-09-13) running on x86_64-unknown-linux-gnu note: compiler flags: --crate-type lib query stack during panic: #0 [eval_to_allocation_raw] const-evaluating + checking `_` #1 [eval_to_const_value_raw] simplifying constant for the type system `_` #2 [eval_to_const_value_raw] simplifying constant for the type system `_` #3 [lint_mod] linting top-level module #4 [analysis] running analysis passes on this crate end of query stack error: aborting due to previous error ```

[AidoP]

Looks like it also happens without the re-borrow, but with a different error.

pub struct Data([u8]);
const _: *const Data = &[] as *const Data;

Backtrace

``` error: internal compiler error: compiler/rustc_const_eval/src/interpret/place.rs:551:56: write_immediate_to_mplace: invalid Scalar layout: TyAndLayout { ty: *const Data, layout: Layout { size: Size(16 bytes), align: AbiAndPrefAlign { abi: Align(8 bytes), pref: Align(8 bytes), }, abi: ScalarPair( Initialized { value: Pointer( AddressSpace( 0, ), ), valid_range: 0..=18446744073709551615, }, Initialized { value: Int( I64, false, ), valid_range: 0..=18446744073709551615, }, ), fields: Arbitrary { offsets: [ Size(0 bytes), Size(8 bytes), ], memory_index: [ 0, 1, ], }, largest_niche: None, variants: Single { index: 0, }, }, } --> ice.rs:2:1 | 2 | const _: *const Data = &[] as *const Data; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ thread 'rustc' panicked at 'Box', /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/compiler/rustc_errors/src/lib.rs:995:33 stack backtrace: 0: 0x7f316bb62b51 - std::backtrace_rs::backtrace::libunwind::trace::h66dc1c6acf794faa at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 1: 0x7f316bb62b51 - std::backtrace_rs::backtrace::trace_unsynchronized::ha80d20099a67f790 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 2: 0x7f316bb62b51 - std::sys_common::backtrace::_print_fmt::h7b959d43f35f16d4 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/sys_common/backtrace.rs:65:5 3: 0x7f316bb62b51 - ::fmt::hdaa196410d9ee0b9 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/sys_common/backtrace.rs:44:22 4: 0x7f316bbc96ff - core::fmt::rt::Argument::fmt::h0ddfbbe8be3f80d0 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/core/src/fmt/rt.rs:138:9 5: 0x7f316bbc96ff - core::fmt::write::h66b3c629f3d623e4 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/core/src/fmt/mod.rs:1094:21 6: 0x7f316bb55497 - std::io::Write::write_fmt::hb6d80fba4115e0c2 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/io/mod.rs:1714:15 7: 0x7f316bb62965 - std::sys_common::backtrace::_print::h1a49cfb0cf3cce17 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/sys_common/backtrace.rs:47:5 8: 0x7f316bb62965 - std::sys_common::backtrace::print::hca95c2d0055e42a2 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/sys_common/backtrace.rs:34:9 9: 0x7f316bb65743 - std::panicking::default_hook::{{closure}}::hc03c01c56bca600c at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/panicking.rs:269:22 10: 0x7f316bb654d4 - std::panicking::default_hook::hb2cb5315b6634f1c at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/panicking.rs:288:9 11: 0x7f316ee6b60b - rustc_driver_impl[e91af841be79713a]::install_ice_hook::{closure#0} 12: 0x7f316bb65f6e - as core::ops::function::Fn>::call::hb3a915ffd78277c6 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/alloc/src/boxed.rs:2007:9 13: 0x7f316bb65f6e - std::panicking::rust_panic_with_hook::h75cd912a39a34e8a at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/panicking.rs:709:13 14: 0x7f316edef371 - std[74d10c9f32099e86]::panicking::begin_panic::::{closure#0} 15: 0x7f316edecff6 - std[74d10c9f32099e86]::sys_common::backtrace::__rust_end_short_backtrace::::{closure#0}, !> 16: 0x7f316ee250a6 - std[74d10c9f32099e86]::panicking::begin_panic:: 17: 0x7f316ee2371e - ::span_bug:: 18: 0x7f316ee235ad - ::span_bug:: 19: 0x7f316edef4dd - rustc_middle[fbd75b4db2cdb7e6]::util::bug::opt_span_bug_fmt::::{closure#0} 20: 0x7f316edef50a - rustc_middle[fbd75b4db2cdb7e6]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} 21: 0x7f316eded74a - rustc_middle[fbd75b4db2cdb7e6]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> 22: 0x7f316d2da154 - rustc_middle[fbd75b4db2cdb7e6]::util::bug::span_bug_fmt:: 23: 0x7f316d304c81 - >::terminator 24: 0x7f316d26a60e - rustc_const_eval[88869f152bb01255]::const_eval::eval_queries::eval_to_allocation_raw_provider 25: 0x7f316cecc0c7 - rustc_query_impl[e7af9ba2ee20c49a]::plumbing::__rust_begin_short_backtrace::> 26: 0x7f316da89f2c - rustc_query_system[8b63fd0ca5778b73]::query::plumbing::try_execute_query::, rustc_middle[fbd75b4db2cdb7e6]::query::erase::Erased<[u8; 16usize]>>, false, false, false>, rustc_query_impl[e7af9ba2ee20c49a]::plumbing::QueryCtxt, false> 27: 0x7f316da89bed - rustc_query_impl[e7af9ba2ee20c49a]::query_impl::eval_to_allocation_raw::get_query_non_incr::__rust_end_short_backtrace 28: 0x7f316e29ceb6 - rustc_const_eval[88869f152bb01255]::const_eval::eval_queries::eval_to_const_value_raw_provider 29: 0x7f316ce89c87 - rustc_query_impl[e7af9ba2ee20c49a]::plumbing::__rust_begin_short_backtrace::> 30: 0x7f316dab1bdb - rustc_query_system[8b63fd0ca5778b73]::query::plumbing::try_execute_query::, rustc_middle[fbd75b4db2cdb7e6]::query::erase::Erased<[u8; 32usize]>>, false, false, false>, rustc_query_impl[e7af9ba2ee20c49a]::plumbing::QueryCtxt, false> 31: 0x7f316dab17cd - rustc_query_impl[e7af9ba2ee20c49a]::query_impl::eval_to_const_value_raw::get_query_non_incr::__rust_end_short_backtrace 32: 0x7f316e29c614 - rustc_const_eval[88869f152bb01255]::const_eval::eval_queries::eval_to_const_value_raw_provider 33: 0x7f316ce89c87 - rustc_query_impl[e7af9ba2ee20c49a]::plumbing::__rust_begin_short_backtrace::> 34: 0x7f316dab1bdb - rustc_query_system[8b63fd0ca5778b73]::query::plumbing::try_execute_query::, rustc_middle[fbd75b4db2cdb7e6]::query::erase::Erased<[u8; 32usize]>>, false, false, false>, rustc_query_impl[e7af9ba2ee20c49a]::plumbing::QueryCtxt, false> 35: 0x7f316dab17cd - rustc_query_impl[e7af9ba2ee20c49a]::query_impl::eval_to_const_value_raw::get_query_non_incr::__rust_end_short_backtrace 36: 0x7f316cf3f46c - ::const_eval_poly 37: 0x7f316cf3a4f3 - ::check_item 38: 0x7f316cf36a21 - rustc_hir[7b007da93fd56bed]::intravisit::walk_mod::> 39: 0x7f316cf36336 - rustc_lint[8d94bab7becf7711]::late::late_lint_mod:: 40: 0x7f316cf360ec - rustc_lint[8d94bab7becf7711]::lint_mod 41: 0x7f316dab356c - rustc_query_impl[e7af9ba2ee20c49a]::plumbing::__rust_begin_short_backtrace::> 42: 0x7f316dab354e - >::call_once 43: 0x7f316d571cff - rustc_query_system[8b63fd0ca5778b73]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[e7af9ba2ee20c49a]::plumbing::QueryCtxt, false> 44: 0x7f316e7e1754 - rustc_query_impl[e7af9ba2ee20c49a]::query_impl::lint_mod::get_query_non_incr::__rust_end_short_backtrace 45: 0x7f316e22af17 - rustc_data_structures[bf281432ed14a641]::sync::par_for_each_in::<&[rustc_hir[7b007da93fd56bed]::hir_id::OwnerId], ::par_for_each_module::{closure#1}::{closure#0}::{closure#0}>::{closure#0}> 46: 0x7f316e22ac65 - ::time::<(), rustc_lint[8d94bab7becf7711]::late::check_crate::{closure#1}::{closure#0}> 47: 0x7f316e22a89e - ::time::<(), rustc_interface[9522ab489a5f66e6]::passes::analysis::{closure#5}::{closure#1}::{closure#2}::{closure#0}> 48: 0x7f316e22a3bf - as core[63ccc595abf60ca6]::ops::function::FnOnce<()>>::call_once 49: 0x7f316e229db0 - ::time::<(), rustc_interface[9522ab489a5f66e6]::passes::analysis::{closure#5}> 50: 0x7f316e228887 - rustc_interface[9522ab489a5f66e6]::passes::analysis 51: 0x7f316e28f3ea - rustc_query_impl[e7af9ba2ee20c49a]::plumbing::__rust_begin_short_backtrace::> 52: 0x7f316e28f3d9 - >::call_once 53: 0x7f316e4ae458 - rustc_query_system[8b63fd0ca5778b73]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[e7af9ba2ee20c49a]::plumbing::QueryCtxt, false> 54: 0x7f316e4ae229 - rustc_query_impl[e7af9ba2ee20c49a]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace 55: 0x7f316e3238e2 - >::enter::, rustc_driver_impl[e91af841be79713a]::run_compiler::{closure#1}::{closure#2}::{closure#4}> 56: 0x7f316e322587 - ::enter::, rustc_span[ca0c6fb73220b455]::ErrorGuaranteed>> 57: 0x7f316e31f7b5 - rustc_span[ca0c6fb73220b455]::set_source_map::, rustc_interface[9522ab489a5f66e6]::interface::run_compiler, rustc_driver_impl[e91af841be79713a]::run_compiler::{closure#1}>::{closure#0}::{closure#0}> 58: 0x7f316e31f226 - >::set::, rustc_driver_impl[e91af841be79713a]::run_compiler::{closure#1}>::{closure#0}, core[63ccc595abf60ca6]::result::Result<(), rustc_span[ca0c6fb73220b455]::ErrorGuaranteed>> 59: 0x7f316e31e7ec - std[74d10c9f32099e86]::sys_common::backtrace::__rust_begin_short_backtrace::, rustc_driver_impl[e91af841be79713a]::run_compiler::{closure#1}>::{closure#0}, core[63ccc595abf60ca6]::result::Result<(), rustc_span[ca0c6fb73220b455]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[63ccc595abf60ca6]::result::Result<(), rustc_span[ca0c6fb73220b455]::ErrorGuaranteed>> 60: 0x7f316e6a53b5 - <::spawn_unchecked_, rustc_driver_impl[e91af841be79713a]::run_compiler::{closure#1}>::{closure#0}, core[63ccc595abf60ca6]::result::Result<(), rustc_span[ca0c6fb73220b455]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[63ccc595abf60ca6]::result::Result<(), rustc_span[ca0c6fb73220b455]::ErrorGuaranteed>>::{closure#1} as core[63ccc595abf60ca6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} 61: 0x7f316bb70425 - as core::ops::function::FnOnce>::call_once::hde6e666388faa495 at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/alloc/src/boxed.rs:1993:9 62: 0x7f316bb70425 - as core::ops::function::FnOnce>::call_once::h9b6389e489a4842f at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/alloc/src/boxed.rs:1993:9 63: 0x7f316bb70425 - std::sys::unix::thread::Thread::new::thread_start::hcab660740b858b1f at /rustc/d5c2e9c342b358556da91d61ed4133f6f50fc0c3/library/std/src/sys/unix/thread.rs:108:17 64: 0x7f316b88c9eb - 65: 0x7f316b910dfc - 66: 0x0 - 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 1.72.1 (d5c2e9c34 2023-09-13) running on x86_64-unknown-linux-gnu note: compiler flags: --crate-type lib query stack during panic: #0 [eval_to_allocation_raw] const-evaluating + checking `_` #1 [eval_to_const_value_raw] simplifying constant for the type system `_` #2 [eval_to_const_value_raw] simplifying constant for the type system `_` #3 [lint_mod] linting top-level module #4 [analysis] running analysis passes on this crate end of query stack error: aborting due to previous error ```

[matthiaskrgr]

https://github.com/rust-lang/rust/issues/115998#issue-1904872292 Regression in nightly-2021-11-14

found 7 bors merge commits in the specified range commit[0] 2021-11-12: Auto merge of #90836 - matthiaskrgr:rollup-ou6yrlw, r=matthiaskrgr commit[1] 2021-11-13: Auto merge of #89167 - workingjubilee:use-simd, r=MarkSimulacrum commit[2] 2021-11-13: Auto merge of #90041 - jfrimmel:rt_copy_checks, r=Mark-Simulacrum commit[3] 2021-11-13: Auto merge of #87264 - mystor:expand_literal, r=petrochenkov commit[4] 2021-11-13: Auto merge of #90542 - the8472:privatize-the-means-of-rawvec-production, r=joshtriplett commit[5] 2021-11-13: Auto merge of #89551 - jhpratt:stabilize-const_raw_ptr_deref, r=oli-obk commit[6] 2021-11-13: Auto merge of #90385 - mfrw:mfrw/librustdoc, r=GuillaumeGomez ERROR: no CI builds available between e90c5fbbc5df5c81267747daeb937d4e955ce6ad and b416e3892d9526709f3a248f5ed3a43a970f795e within last 167 days

[matthiaskrgr]

https://github.com/rust-lang/rust/issues/115998#issuecomment-1727621382 Regression in nightly-2019-06-17 found 7 bors merge commits in the specified range commit[0] 2019-06-15: Auto merge of #61828 - RalfJung:cfg-if, r=alexcrichton commit[1] 2019-06-16: Auto merge of #61886 - Centril:rollup-3p3m2fu, r=Centril commit[2] 2019-06-16: Auto merge of #60730 - matthewjasper:optimize-false-edges, r=pnkfelix commit[3] 2019-06-16: Auto merge of #61739 - chansuke:separate-unit-tests, r=petrochenkov commit[4] 2019-06-16: Auto merge of #61754 - nikomatsakis:trait-caching-perf-3, r=pnkfelix commit[5] 2019-06-16: Auto merge of #61881 - glaubitz:sparc64-ffi-abi, r=petrochenkov commit[6] 2019-06-16: Auto merge of #61347 - Centril:stabilize-underscore_const_names, r=petrochenkov ERROR: no CI builds available between 0dc9e9c10ca6dc78cba8b9f9b15038c977b10a77 and 4edff843dd219cf19a5fede6c78c7ce95402e1f5 within last 167 days

[apiraino]

WG-prioritization assigning priority (Zulip discussion).

@rustbot label -I-prioritize +P-medium

[ouz-a]

This also returns ICE, but ICE message varies between rustc version.

pub struct Data([u8]);

fn main(){
    let _f  = &[] as *const Data;
}