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ICE: expected usize, got UnevaluatedConst #116186

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matthiaskrgr opened this issue Sep 26, 2023 · 1 comment · Fixed by #117046
Closed

ICE: expected usize, got UnevaluatedConst #116186

matthiaskrgr opened this issue Sep 26, 2023 · 1 comment · Fixed by #117046
Labels
C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@matthiaskrgr
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Code

rustc --edition=2018

#![feature(generic_const_exprs)]

pub async fn something(path: &[[usize; N_ISLANDS]; N_ISLANDS]) -> usize {
    async {
        match path {
            [] => 0,

            _ => 1,
        }
    }
    .await
}

Meta

rustc --version --verbose:

rustc 1.74.0-nightly (0288f2e19 2023-09-25)
binary: rustc
commit-hash: 0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa
commit-date: 2023-09-25
host: x86_64-unknown-linux-gnu
release: 1.74.0-nightly
LLVM version: 17.0.0

Error output

error[E0425]: cannot find value `N_ISLANDS` in this scope
 --> icemaker_reduced/112607.rs:3:40
  |
3 | pub async fn something(path: &[[usize; N_ISLANDS]; N_ISLANDS]) -> usize {
  |                                        ^^^^^^^^^ not found in this scope

error[E0425]: cannot find value `N_ISLANDS` in this scope
 --> icemaker_reduced/112607.rs:3:52
  |
3 | pub async fn something(path: &[[usize; N_ISLANDS]; N_ISLANDS]) -> usize {
  |                                                    ^^^^^^^^^ not found in this scope

warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
 --> icemaker_reduced/112607.rs:1:12
  |
1 | #![feature(generic_const_exprs)]
  |            ^^^^^^^^^^^^^^^^^^^
  |
  = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
  = note: `#[warn(incomplete_features)]` on by default

error[E0601]: `main` function not found in crate `112607`
  --> icemaker_reduced/112607.rs:12:2
   |
12 | }
   |  ^ consider adding a `main` function to `icemaker_reduced/112607.rs`
Backtrace 

error: internal compiler error: /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/compiler/rustc_middle/src/ty/consts.rs:375:32: expected usize, got UnevaluatedConst { def: DefId(0:5 ~ 112607[dbca]::something::{constant#1}), args: [] }: usize

thread 'rustc' panicked at /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/compiler/rustc_errors/src/lib.rs:1651:9:
Box<dyn Any>
stack backtrace:
   0:     0x7f0b99d6427c - std::backtrace_rs::backtrace::libunwind::trace::he0fa95863765c162
                               at /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f0b99d6427c - std::backtrace_rs::backtrace::trace_unsynchronized::h72d5f99a2861d02b
                               at /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f0b99d6427c - std::sys_common::backtrace::_print_fmt::h77a4706f5ef94d01
                               at /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/library/std/src/sys_common/backtrace.rs:67:5
   3:     0x7f0b99d6427c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he943404fecf038b0
                               at /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f0b99dc9edc - core::fmt::rt::Argument::fmt::h13be5e824c591ca7
                               at /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/library/core/src/fmt/rt.rs:138:9
   5:     0x7f0b99dc9edc - core::fmt::write::hf0c0a3e365f4aeb2
                               at /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/library/core/src/fmt/mod.rs:1114:21
   6:     0x7f0b99d56ffe - std::io::Write::write_fmt::hf6231d334faed5a2
                               at /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/library/std/src/io/mod.rs:1763:15
   7:     0x7f0b99d64064 - std::sys_common::backtrace::_print::h94947374abf91134
                               at /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7f0b99d64064 - std::sys_common::backtrace::print::h7f67412f149682a2
                               at /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7f0b99d66f43 - std::panicking::default_hook::{{closure}}::h0b1ce8078274efb2
                               at /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/library/std/src/panicking.rs:272:22
  10:     0x7f0b99d66c64 - std::panicking::default_hook::h730577ca09276893
                               at /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/library/std/src/panicking.rs:292:9
  11:     0x7f0b9ceeaeef - std[c0c5954477cb1558]::panicking::update_hook::<alloc[23fe904eb05f20cb]::boxed::Box<rustc_driver_impl[e02b405ddf0b953d]::install_ice_hook::{closure#0}>>::{closure#0}
  12:     0x7f0b99d67771 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd44a804e253f6339
                               at /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/library/alloc/src/boxed.rs:2021:9
  13:     0x7f0b99d67771 - std::panicking::rust_panic_with_hook::h1935709438ad84cd
                               at /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/library/std/src/panicking.rs:735:13
  14:     0x7f0b9d440b74 - std[c0c5954477cb1558]::panicking::begin_panic::<rustc_errors[489c792d0b298f43]::ExplicitBug>::{closure#0}
  15:     0x7f0b9d43ee36 - std[c0c5954477cb1558]::sys_common::backtrace::__rust_end_short_backtrace::<std[c0c5954477cb1558]::panicking::begin_panic<rustc_errors[489c792d0b298f43]::ExplicitBug>::{closure#0}, !>
  16:     0x7f0b9d493946 - std[c0c5954477cb1558]::panicking::begin_panic::<rustc_errors[489c792d0b298f43]::ExplicitBug>
  17:     0x7f0b9d3bf864 - <rustc_errors[489c792d0b298f43]::HandlerInner>::bug::<alloc[23fe904eb05f20cb]::string::String>
  18:     0x7f0b9d3bf716 - <rustc_errors[489c792d0b298f43]::Handler>::bug::<alloc[23fe904eb05f20cb]::string::String>
  19:     0x7f0b9d4ab91c - rustc_middle[7958b76fb19d6f0b]::util::bug::opt_span_bug_fmt::<rustc_span[68f8f0eb89050f8d]::span_encoding::Span>::{closure#0}
  20:     0x7f0b9d4a893a - rustc_middle[7958b76fb19d6f0b]::ty::context::tls::with_opt::<rustc_middle[7958b76fb19d6f0b]::util::bug::opt_span_bug_fmt<rustc_span[68f8f0eb89050f8d]::span_encoding::Span>::{closure#0}, !>::{closure#0}
  21:     0x7f0b9d4a8908 - rustc_middle[7958b76fb19d6f0b]::ty::context::tls::with_context_opt::<rustc_middle[7958b76fb19d6f0b]::ty::context::tls::with_opt<rustc_middle[7958b76fb19d6f0b]::util::bug::opt_span_bug_fmt<rustc_span[68f8f0eb89050f8d]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
  22:     0x7f0b9bb0daa0 - rustc_middle[7958b76fb19d6f0b]::util::bug::bug_fmt
  23:     0x7f0b9bae0264 - <rustc_mir_build[88908c2204838440]::build::Builder>::prefix_slice_suffix
  24:     0x7f0b9badada4 - <rustc_mir_build[88908c2204838440]::build::Builder>::match_candidates
  25:     0x7f0b9b536837 - <rustc_mir_build[88908c2204838440]::build::Builder>::lower_match_tree
  26:     0x7f0b9b519daf - <rustc_mir_build[88908c2204838440]::build::Builder>::expr_into_dest
  27:     0x7f0b9b51a81e - <rustc_mir_build[88908c2204838440]::build::Builder>::expr_into_dest
  28:     0x7f0b9b5464fb - <rustc_mir_build[88908c2204838440]::build::Builder>::ast_block_stmts
  29:     0x7f0b9b537068 - <rustc_mir_build[88908c2204838440]::build::Builder>::ast_block
  30:     0x7f0b9b518994 - <rustc_mir_build[88908c2204838440]::build::Builder>::expr_into_dest
  31:     0x7f0b9b51a81e - <rustc_mir_build[88908c2204838440]::build::Builder>::expr_into_dest
  32:     0x7f0b9b51a81e - <rustc_mir_build[88908c2204838440]::build::Builder>::expr_into_dest
  33:     0x7f0b9bdbb652 - rustc_mir_build[88908c2204838440]::build::mir_built
  34:     0x7f0b9b03b6dc - rustc_query_impl[2e6f533721484891]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[2e6f533721484891]::query_impl::mir_built::dynamic_query::{closure#2}::{closure#0}, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 8usize]>>
  35:     0x7f0b9b03b6be - <rustc_query_impl[2e6f533721484891]::query_impl::mir_built::dynamic_query::{closure#2} as core[bfabaa7acdfc93fd]::ops::function::FnOnce<(rustc_middle[7958b76fb19d6f0b]::ty::context::TyCtxt, rustc_span[68f8f0eb89050f8d]::def_id::LocalDefId)>>::call_once
  36:     0x7f0b9b11d088 - rustc_query_system[d166d5e4d4b6d975]::query::plumbing::try_execute_query::<rustc_query_impl[2e6f533721484891]::DynamicConfig<rustc_query_system[d166d5e4d4b6d975]::query::caches::VecCache<rustc_span[68f8f0eb89050f8d]::def_id::LocalDefId, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[2e6f533721484891]::plumbing::QueryCtxt, false>
  37:     0x7f0b9c855201 - rustc_query_impl[2e6f533721484891]::query_impl::mir_built::get_query_non_incr::__rust_end_short_backtrace
  38:     0x7f0b9c0e16b9 - rustc_mir_transform[69f845bc3665250d]::check_unsafety::unsafety_check_result
  39:     0x7f0b9b03b71c - rustc_query_impl[2e6f533721484891]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[2e6f533721484891]::query_impl::unsafety_check_result::dynamic_query::{closure#2}::{closure#0}, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 8usize]>>
  40:     0x7f0b9b03b6fe - <rustc_query_impl[2e6f533721484891]::query_impl::unsafety_check_result::dynamic_query::{closure#2} as core[bfabaa7acdfc93fd]::ops::function::FnOnce<(rustc_middle[7958b76fb19d6f0b]::ty::context::TyCtxt, rustc_span[68f8f0eb89050f8d]::def_id::LocalDefId)>>::call_once
  41:     0x7f0b9b11d088 - rustc_query_system[d166d5e4d4b6d975]::query::plumbing::try_execute_query::<rustc_query_impl[2e6f533721484891]::DynamicConfig<rustc_query_system[d166d5e4d4b6d975]::query::caches::VecCache<rustc_span[68f8f0eb89050f8d]::def_id::LocalDefId, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[2e6f533721484891]::plumbing::QueryCtxt, false>
  42:     0x7f0b9c85bce1 - rustc_query_impl[2e6f533721484891]::query_impl::unsafety_check_result::get_query_non_incr::__rust_end_short_backtrace
  43:     0x7f0b9c0e4afd - rustc_mir_transform[69f845bc3665250d]::check_unsafety::unsafety_check_result
  44:     0x7f0b9b03b71c - rustc_query_impl[2e6f533721484891]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[2e6f533721484891]::query_impl::unsafety_check_result::dynamic_query::{closure#2}::{closure#0}, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 8usize]>>
  45:     0x7f0b9b03b6fe - <rustc_query_impl[2e6f533721484891]::query_impl::unsafety_check_result::dynamic_query::{closure#2} as core[bfabaa7acdfc93fd]::ops::function::FnOnce<(rustc_middle[7958b76fb19d6f0b]::ty::context::TyCtxt, rustc_span[68f8f0eb89050f8d]::def_id::LocalDefId)>>::call_once
  46:     0x7f0b9b11d088 - rustc_query_system[d166d5e4d4b6d975]::query::plumbing::try_execute_query::<rustc_query_impl[2e6f533721484891]::DynamicConfig<rustc_query_system[d166d5e4d4b6d975]::query::caches::VecCache<rustc_span[68f8f0eb89050f8d]::def_id::LocalDefId, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[2e6f533721484891]::plumbing::QueryCtxt, false>
  47:     0x7f0b9c85bce1 - rustc_query_impl[2e6f533721484891]::query_impl::unsafety_check_result::get_query_non_incr::__rust_end_short_backtrace
  48:     0x7f0b9c0e4afd - rustc_mir_transform[69f845bc3665250d]::check_unsafety::unsafety_check_result
  49:     0x7f0b9b03b71c - rustc_query_impl[2e6f533721484891]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[2e6f533721484891]::query_impl::unsafety_check_result::dynamic_query::{closure#2}::{closure#0}, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 8usize]>>
  50:     0x7f0b9b03b6fe - <rustc_query_impl[2e6f533721484891]::query_impl::unsafety_check_result::dynamic_query::{closure#2} as core[bfabaa7acdfc93fd]::ops::function::FnOnce<(rustc_middle[7958b76fb19d6f0b]::ty::context::TyCtxt, rustc_span[68f8f0eb89050f8d]::def_id::LocalDefId)>>::call_once
  51:     0x7f0b9b11d088 - rustc_query_system[d166d5e4d4b6d975]::query::plumbing::try_execute_query::<rustc_query_impl[2e6f533721484891]::DynamicConfig<rustc_query_system[d166d5e4d4b6d975]::query::caches::VecCache<rustc_span[68f8f0eb89050f8d]::def_id::LocalDefId, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[2e6f533721484891]::plumbing::QueryCtxt, false>
  52:     0x7f0b9c85bce1 - rustc_query_impl[2e6f533721484891]::query_impl::unsafety_check_result::get_query_non_incr::__rust_end_short_backtrace
  53:     0x7f0b9c29603b - rustc_mir_transform[69f845bc3665250d]::mir_const
  54:     0x7f0b9b05001e - rustc_query_impl[2e6f533721484891]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[2e6f533721484891]::query_impl::mir_const::dynamic_query::{closure#2}::{closure#0}, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 8usize]>>
  55:     0x7f0b9b04ffee - <rustc_query_impl[2e6f533721484891]::query_impl::mir_const::dynamic_query::{closure#2} as core[bfabaa7acdfc93fd]::ops::function::FnOnce<(rustc_middle[7958b76fb19d6f0b]::ty::context::TyCtxt, rustc_span[68f8f0eb89050f8d]::def_id::LocalDefId)>>::call_once
  56:     0x7f0b9b11d088 - rustc_query_system[d166d5e4d4b6d975]::query::plumbing::try_execute_query::<rustc_query_impl[2e6f533721484891]::DynamicConfig<rustc_query_system[d166d5e4d4b6d975]::query::caches::VecCache<rustc_span[68f8f0eb89050f8d]::def_id::LocalDefId, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[2e6f533721484891]::plumbing::QueryCtxt, false>
  57:     0x7f0b9c855571 - rustc_query_impl[2e6f533721484891]::query_impl::mir_const::get_query_non_incr::__rust_end_short_backtrace
  58:     0x7f0b9bc4d7d6 - rustc_mir_transform[69f845bc3665250d]::mir_promoted
  59:     0x7f0b9b018baf - rustc_query_impl[2e6f533721484891]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[2e6f533721484891]::query_impl::mir_promoted::dynamic_query::{closure#2}::{closure#0}, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 16usize]>>
  60:     0x7f0b9b61e5c8 - rustc_query_system[d166d5e4d4b6d975]::query::plumbing::try_execute_query::<rustc_query_impl[2e6f533721484891]::DynamicConfig<rustc_query_system[d166d5e4d4b6d975]::query::caches::VecCache<rustc_span[68f8f0eb89050f8d]::def_id::LocalDefId, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 16usize]>>, false, false, false>, rustc_query_impl[2e6f533721484891]::plumbing::QueryCtxt, false>
  61:     0x7f0b9c856174 - rustc_query_impl[2e6f533721484891]::query_impl::mir_promoted::get_query_non_incr::__rust_end_short_backtrace
  62:     0x7f0b9b793cf3 - rustc_borrowck[22ac151c06a46a93]::mir_borrowck
  63:     0x7f0b9b04ffbe - rustc_query_impl[2e6f533721484891]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[2e6f533721484891]::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 8usize]>>
  64:     0x7f0b9b04ff8e - <rustc_query_impl[2e6f533721484891]::query_impl::mir_borrowck::dynamic_query::{closure#2} as core[bfabaa7acdfc93fd]::ops::function::FnOnce<(rustc_middle[7958b76fb19d6f0b]::ty::context::TyCtxt, rustc_span[68f8f0eb89050f8d]::def_id::LocalDefId)>>::call_once
  65:     0x7f0b9b11d088 - rustc_query_system[d166d5e4d4b6d975]::query::plumbing::try_execute_query::<rustc_query_impl[2e6f533721484891]::DynamicConfig<rustc_query_system[d166d5e4d4b6d975]::query::caches::VecCache<rustc_span[68f8f0eb89050f8d]::def_id::LocalDefId, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[2e6f533721484891]::plumbing::QueryCtxt, false>
  66:     0x7f0b9c85f991 - rustc_query_impl[2e6f533721484891]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
  67:     0x7f0b9c68cfce - rustc_hir_analysis[b22507afc81669fd]::collect::type_of::opaque::find_opaque_ty_constraints_for_rpit
  68:     0x7f0b9c537c41 - rustc_query_impl[2e6f533721484891]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[2e6f533721484891]::query_impl::type_of_opaque::dynamic_query::{closure#2}::{closure#0}, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 8usize]>>
  69:     0x7f0b9c537c21 - <rustc_query_impl[2e6f533721484891]::query_impl::type_of_opaque::dynamic_query::{closure#2} as core[bfabaa7acdfc93fd]::ops::function::FnOnce<(rustc_middle[7958b76fb19d6f0b]::ty::context::TyCtxt, rustc_span[68f8f0eb89050f8d]::def_id::DefId)>>::call_once
  70:     0x7f0b9b046e60 - rustc_query_system[d166d5e4d4b6d975]::query::plumbing::try_execute_query::<rustc_query_impl[2e6f533721484891]::DynamicConfig<rustc_query_system[d166d5e4d4b6d975]::query::caches::DefaultCache<rustc_span[68f8f0eb89050f8d]::def_id::DefId, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[2e6f533721484891]::plumbing::QueryCtxt, false>
  71:     0x7f0b9c852862 - rustc_query_impl[2e6f533721484891]::query_impl::type_of_opaque::get_query_non_incr::__rust_end_short_backtrace
  72:     0x7f0b9b950983 - rustc_hir_analysis[b22507afc81669fd]::collect::type_of::type_of
  73:     0x7f0b9b29964c - rustc_query_impl[2e6f533721484891]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[2e6f533721484891]::query_impl::type_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 8usize]>>
  74:     0x7f0b9b299610 - <rustc_query_impl[2e6f533721484891]::query_impl::type_of::dynamic_query::{closure#2} as core[bfabaa7acdfc93fd]::ops::function::FnOnce<(rustc_middle[7958b76fb19d6f0b]::ty::context::TyCtxt, rustc_span[68f8f0eb89050f8d]::def_id::DefId)>>::call_once
  75:     0x7f0b9b046e60 - rustc_query_system[d166d5e4d4b6d975]::query::plumbing::try_execute_query::<rustc_query_impl[2e6f533721484891]::DynamicConfig<rustc_query_system[d166d5e4d4b6d975]::query::caches::DefaultCache<rustc_span[68f8f0eb89050f8d]::def_id::DefId, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[2e6f533721484891]::plumbing::QueryCtxt, false>
  76:     0x7f0b9c8524d1 - rustc_query_impl[2e6f533721484891]::query_impl::type_of::get_query_non_incr::__rust_end_short_backtrace
  77:     0x7f0b9beab436 - rustc_middle[7958b76fb19d6f0b]::query::plumbing::query_get_at::<rustc_query_system[d166d5e4d4b6d975]::query::caches::DefaultCache<rustc_span[68f8f0eb89050f8d]::def_id::DefId, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 8usize]>>>
  78:     0x7f0b9bea4022 - rustc_hir_analysis[b22507afc81669fd]::check::check::check_mod_item_types
  79:     0x7f0b9bd3f1dc - rustc_query_impl[2e6f533721484891]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[2e6f533721484891]::query_impl::check_mod_item_types::dynamic_query::{closure#2}::{closure#0}, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 0usize]>>
  80:     0x7f0b9bd3f1be - <rustc_query_impl[2e6f533721484891]::query_impl::check_mod_item_types::dynamic_query::{closure#2} as core[bfabaa7acdfc93fd]::ops::function::FnOnce<(rustc_middle[7958b76fb19d6f0b]::ty::context::TyCtxt, rustc_span[68f8f0eb89050f8d]::def_id::LocalModDefId)>>::call_once
  81:     0x7f0b9be8a5c8 - rustc_query_system[d166d5e4d4b6d975]::query::plumbing::try_execute_query::<rustc_query_impl[2e6f533721484891]::DynamicConfig<rustc_query_system[d166d5e4d4b6d975]::query::caches::DefaultCache<rustc_span[68f8f0eb89050f8d]::def_id::LocalModDefId, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[2e6f533721484891]::plumbing::QueryCtxt, false>
  82:     0x7f0b9c85d994 - rustc_query_impl[2e6f533721484891]::query_impl::check_mod_item_types::get_query_non_incr::__rust_end_short_backtrace
  83:     0x7f0b9c45022b - <rustc_session[48acfa7a3dfcb338]::session::Session>::time::<(), rustc_hir_analysis[b22507afc81669fd]::check_crate::{closure#6}>
  84:     0x7f0b9c44f9f3 - rustc_hir_analysis[b22507afc81669fd]::check_crate
  85:     0x7f0b9c44ebd2 - rustc_interface[1634da5f506e2d26]::passes::analysis
  86:     0x7f0b9c3e75ba - rustc_query_impl[2e6f533721484891]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[2e6f533721484891]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 1usize]>>
  87:     0x7f0b9c3e75a9 - <rustc_query_impl[2e6f533721484891]::query_impl::analysis::dynamic_query::{closure#2} as core[bfabaa7acdfc93fd]::ops::function::FnOnce<(rustc_middle[7958b76fb19d6f0b]::ty::context::TyCtxt, ())>>::call_once
  88:     0x7f0b9c60d4a4 - rustc_query_system[d166d5e4d4b6d975]::query::plumbing::try_execute_query::<rustc_query_impl[2e6f533721484891]::DynamicConfig<rustc_query_system[d166d5e4d4b6d975]::query::caches::SingleCache<rustc_middle[7958b76fb19d6f0b]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[2e6f533721484891]::plumbing::QueryCtxt, false>
  89:     0x7f0b9c60d219 - rustc_query_impl[2e6f533721484891]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  90:     0x7f0b9c0f53c2 - <rustc_middle[7958b76fb19d6f0b]::ty::context::GlobalCtxt>::enter::<rustc_driver_impl[e02b405ddf0b953d]::run_compiler::{closure#1}::{closure#2}::{closure#6}, core[bfabaa7acdfc93fd]::result::Result<(), rustc_span[68f8f0eb89050f8d]::ErrorGuaranteed>>
  91:     0x7f0b9c0f3e41 - rustc_span[68f8f0eb89050f8d]::set_source_map::<core[bfabaa7acdfc93fd]::result::Result<(), rustc_span[68f8f0eb89050f8d]::ErrorGuaranteed>, rustc_interface[1634da5f506e2d26]::interface::run_compiler<core[bfabaa7acdfc93fd]::result::Result<(), rustc_span[68f8f0eb89050f8d]::ErrorGuaranteed>, rustc_driver_impl[e02b405ddf0b953d]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
  92:     0x7f0b9c0f2b20 - std[c0c5954477cb1558]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[1634da5f506e2d26]::util::run_in_thread_with_globals<rustc_interface[1634da5f506e2d26]::interface::run_compiler<core[bfabaa7acdfc93fd]::result::Result<(), rustc_span[68f8f0eb89050f8d]::ErrorGuaranteed>, rustc_driver_impl[e02b405ddf0b953d]::run_compiler::{closure#1}>::{closure#0}, core[bfabaa7acdfc93fd]::result::Result<(), rustc_span[68f8f0eb89050f8d]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[bfabaa7acdfc93fd]::result::Result<(), rustc_span[68f8f0eb89050f8d]::ErrorGuaranteed>>
  93:     0x7f0b9c7514ae - <<std[c0c5954477cb1558]::thread::Builder>::spawn_unchecked_<rustc_interface[1634da5f506e2d26]::util::run_in_thread_with_globals<rustc_interface[1634da5f506e2d26]::interface::run_compiler<core[bfabaa7acdfc93fd]::result::Result<(), rustc_span[68f8f0eb89050f8d]::ErrorGuaranteed>, rustc_driver_impl[e02b405ddf0b953d]::run_compiler::{closure#1}>::{closure#0}, core[bfabaa7acdfc93fd]::result::Result<(), rustc_span[68f8f0eb89050f8d]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[bfabaa7acdfc93fd]::result::Result<(), rustc_span[68f8f0eb89050f8d]::ErrorGuaranteed>>::{closure#1} as core[bfabaa7acdfc93fd]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  94:     0x7f0b99d722d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hade28bf3e4e4dec9
                               at /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/library/alloc/src/boxed.rs:2007:9
  95:     0x7f0b99d722d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4aba02607116b2de
                               at /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/library/alloc/src/boxed.rs:2007:9
  96:     0x7f0b99d722d5 - std::sys::unix::thread::Thread::new::thread_start::hd1c1d3c8b2ad27b1
                               at /rustc/0288f2e1955b154262e0669ec5f7bb9a4c6cf5aa/library/std/src/sys/unix/thread.rs:108:17
  97:     0x7f0b99a8c9eb - <unknown>
  98:     0x7f0b99b10dfc - <unknown>
  99:                0x0 - <unknown>

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: please attach the file at `/tmp/im/rustc-ice-2023-09-26T21:59:40.713655144Z-264566.txt` to your bug report

query stack during panic:
#0 [mir_built] building MIR for `something::{closure#0}::{closure#0}`
#1 [unsafety_check_result] unsafety-checking `something::{closure#0}::{closure#0}`
#2 [unsafety_check_result] unsafety-checking `something::{closure#0}`
#3 [unsafety_check_result] unsafety-checking `something`
#4 [mir_const] preparing `something` for borrow checking
#5 [mir_promoted] promoting constants in MIR for `something`
#6 [mir_borrowck] borrow-checking `something`
#7 [type_of_opaque] computing type of opaque `something::{opaque#0}`
#8 [type_of] computing type of `something::{opaque#0}`
#9 [check_mod_item_types] checking item types in top-level module
#10 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 4 previous errors; 1 warning emitted

Some errors have detailed explanations: E0425, E0601.
For more information about an error, try `rustc --explain E0425`.

@matthiaskrgr matthiaskrgr added I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` labels Sep 26, 2023
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Sep 26, 2023
@compiler-errors compiler-errors removed the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Sep 27, 2023
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Regression in nightly-2021-09-01

found 9 bors merge commits in the specified range
commit[0] 2021-08-30: Auto merge of #88466 - sexxi-goose:issue-88372, r=nikomatsakis
commit[1] 2021-08-30: Auto merge of #88369 - lcnr:cec-rename, r=oli-obk
commit[2] 2021-08-31: Auto merge of #88100 - HTG-YT:edition2021-compopt-stabilization, r=m-ou-se
commit[3] 2021-08-31: Auto merge of #88414 - Aaron1011:guess-foreign-head-span, r=estebank
commit[4] 2021-08-31: Auto merge of #88467 - sexxi-goose:issue-88431, r=nikomatsakis
commit[5] 2021-08-31: Auto merge of #88491 - RalfJung:miri, r=RalfJung
commit[6] 2021-08-31: Auto merge of #88527 - m-ou-se:rollup-az6xtc5, r=m-ou-se
commit[7] 2021-08-31: Auto merge of #88535 - m-ou-se:rollup-jeusxbo, r=m-ou-se
commit[8] 2021-08-31: Auto merge of #88506 - Mark-Simulacrum:fix-rlibs, r=ehuss

@bvanjoi bvanjoi mentioned this issue Oct 22, 2023
Merged
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this issue Oct 23, 2023
@matthiaskrgr
Rollup merge of rust-lang#117046 - bvanjoi:fix-116186, r=oli-obk
eaa07e5 
return unfixed len if pat has reported error

- Fixes rust-lang#116186
- Fixes rust-lang#113021

This issue arises due to the creation of a fixed-length pattern, as a result of the mir body corruption. The corruption taints `tcx.eval_to_allocation_raw`, causing it to return `AlreadyReported`. Consequently, this prevents `len.try_eval_target_usize` from evaluating correctly and returns `None`. Lastly, it results in the return of `[usize; min_len]`.

To rectify this issue, my approach is that to return unfixed when encountering `ErrorHandled::Reported`. Additionally, in instances of `ErrorHandled::TooGeneric`, the previous logic has been reinstated.
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this issue Oct 23, 2023
@matthiaskrgr
Rollup merge of rust-lang#117046 - bvanjoi:fix-116186, r=oli-obk
82ec66d 
return unfixed len if pat has reported error

- Fixes rust-lang#116186
- Fixes rust-lang#113021

This issue arises due to the creation of a fixed-length pattern, as a result of the mir body corruption. The corruption taints `tcx.eval_to_allocation_raw`, causing it to return `AlreadyReported`. Consequently, this prevents `len.try_eval_target_usize` from evaluating correctly and returns `None`. Lastly, it results in the return of `[usize; min_len]`.

To rectify this issue, my approach is that to return unfixed when encountering `ErrorHandled::Reported`. Additionally, in instances of `ErrorHandled::TooGeneric`, the previous logic has been reinstated.
@bors bors closed this as completed in 7e607e8 Oct 24, 2023
rust-timer added a commit to rust-lang-ci/rust that referenced this issue Oct 24, 2023
@rust-timer
Unrolled build for rust-lang#117046
7ff9ed7 
Rollup merge of rust-lang#117046 - bvanjoi:fix-116186, r=oli-obk

return unfixed len if pat has reported error

- Fixes rust-lang#116186
- Fixes rust-lang#113021

This issue arises due to the creation of a fixed-length pattern, as a result of the mir body corruption. The corruption taints `tcx.eval_to_allocation_raw`, causing it to return `AlreadyReported`. Consequently, this prevents `len.try_eval_target_usize` from evaluating correctly and returns `None`. Lastly, it results in the return of `[usize; min_len]`.

To rectify this issue, my approach is that to return unfixed when encountering `ErrorHandled::Reported`. Additionally, in instances of `ErrorHandled::TooGeneric`, the previous logic has been reinstated.
@cushionbadak cushionbadak mentioned this issue Apr 14, 2024
Closed
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C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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return unfixed len if pat has reported error bvanjoi/rust
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