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ICE: expected usize, got Const #113021

Closed
matthiaskrgr opened this issue Jun 25, 2023 · 6 comments · Fixed by #117046
Closed

ICE: expected usize, got Const #113021

matthiaskrgr opened this issue Jun 25, 2023 · 6 comments · Fixed by #117046
Labels
C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc F-generic_const_exprs `#![feature(generic_const_exprs)]` glacier ICE tracked in rust-lang/glacier. 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

#![feature(generic_const_exprs)]

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

pub fn main() {}

Meta

rustc --version --verbose:

rustc 1.72.0-nightly (22e9fe644 2023-06-23)
binary: rustc
commit-hash: 22e9fe644ea710eec50cb0aabcae7fa8dd9fd675
commit-date: 2023-06-23
host: x86_64-unknown-linux-gnu
release: 1.72.0-nightly
LLVM version: 16.0.5

Error output

error[E0670]: `async fn` is not permitted in Rust 2015
 --> 063C62043B0E0550CF8DB5A3E283C6D530D674D10E7B87DEBB6545F792710536.rs:3:5
  |
3 | pub async fn something(path: &[[usize; N_ISLANDS]; PrivateStruct]) -> usize {
  |     ^^^^^ to use `async fn`, switch to Rust 2018 or later
  |
  = help: pass `--edition 2021` to `rustc`
  = note: for more on editions, read https://doc.rust-lang.org/edition-guide

error[E0425]: cannot find value `N_ISLANDS` in this scope
 --> 063C62043B0E0550CF8DB5A3E283C6D530D674D10E7B87DEBB6545F792710536.rs:3:40
  |
3 | pub async fn something(path: &[[usize; N_ISLANDS]; PrivateStruct]) -> usize {
  |                                        ^^^^^^^^^ not found in this scope

error[E0425]: cannot find value `PrivateStruct` in this scope
 --> 063C62043B0E0550CF8DB5A3E283C6D530D674D10E7B87DEBB6545F792710536.rs:3:52
  |
3 | pub async fn something(path: &[[usize; N_ISLANDS]; PrivateStruct]) -> 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
 --> 063C62043B0E0550CF8DB5A3E283C6D530D674D10E7B87DEBB6545F792710536.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
Backtrace 

error: internal compiler error: /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/compiler/rustc_middle/src/ty/consts.rs:238:32: expected usize, got Const { ty: usize, kind: Unevaluated([], DefId(0:5 ~ 063C62043B0E0550CF8DB5A3E283C6D530D674D10E7B87DEBB6545F792710536[8e5e]::something::{constant#1})) }

thread 'rustc' panicked at 'Box<dyn Any>', /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/compiler/rustc_errors/src/lib.rs:1650:9
stack backtrace:
   0:     0x7fc4ff041e31 - std::backtrace_rs::backtrace::libunwind::trace::h45c8b5b393354aaa
                               at /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7fc4ff041e31 - std::backtrace_rs::backtrace::trace_unsynchronized::hc5cde6aeff03cc23
                               at /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7fc4ff041e31 - std::sys_common::backtrace::_print_fmt::h86fd79bdeff6c899
                               at /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7fc4ff041e31 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h0f1168665e8c8865
                               at /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7fc4ff0a35df - core::fmt::rt::Argument::fmt::hfed1a51422c978b7
                               at /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/library/core/src/fmt/rt.rs:138:9
   5:     0x7fc4ff0a35df - core::fmt::write::h4dfc2a0c62cf3fd6
                               at /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/library/core/src/fmt/mod.rs:1094:21
   6:     0x7fc4ff034967 - std::io::Write::write_fmt::ha45cc30dd6a81686
                               at /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/library/std/src/io/mod.rs:1714:15
   7:     0x7fc4ff041c45 - std::sys_common::backtrace::_print::h14294ae8d055d04e
                               at /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7fc4ff041c45 - std::sys_common::backtrace::print::hf007ea148056754d
                               at /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7fc4ff0449f3 - std::panicking::default_hook::{{closure}}::h12f0e86c17019fae
                               at /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/library/std/src/panicking.rs:269:22
  10:     0x7fc4ff044784 - std::panicking::default_hook::h3e363e70e8823128
                               at /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/library/std/src/panicking.rs:288:9
  11:     0x7fc4fde03eab - rustc_driver_impl[1ee18bc64acaad37]::install_ice_hook::{closure#0}
  12:     0x7fc4ff04521e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6345ba7ef09e0a3b
                               at /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/library/alloc/src/boxed.rs:2007:9
  13:     0x7fc4ff04521e - std::panicking::rust_panic_with_hook::he3112cb9ec41f5a5
                               at /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/library/std/src/panicking.rs:709:13
  14:     0x7fc4fe3d4581 - std[590ba7ead67831d4]::panicking::begin_panic::<rustc_errors[d1d2cf2f3224cafd]::ExplicitBug>::{closure#0}
  15:     0x7fc4fe3d1856 - std[590ba7ead67831d4]::sys_common::backtrace::__rust_end_short_backtrace::<std[590ba7ead67831d4]::panicking::begin_panic<rustc_errors[d1d2cf2f3224cafd]::ExplicitBug>::{closure#0}, !>
  16:     0x7fc4fe3c2ce6 - std[590ba7ead67831d4]::panicking::begin_panic::<rustc_errors[d1d2cf2f3224cafd]::ExplicitBug>
  17:     0x7fc4fe325a14 - <rustc_errors[d1d2cf2f3224cafd]::HandlerInner>::bug::<alloc[2c2f5c796e500044]::string::String>
  18:     0x7fc4fe325896 - <rustc_errors[d1d2cf2f3224cafd]::Handler>::bug::<alloc[2c2f5c796e500044]::string::String>
  19:     0x7fc4fe34870c - rustc_middle[aeb3147772634dcd]::util::bug::opt_span_bug_fmt::<rustc_span[8155bebf48a1eb91]::span_encoding::Span>::{closure#0}
  20:     0x7fc4fe34776a - rustc_middle[aeb3147772634dcd]::ty::context::tls::with_opt::<rustc_middle[aeb3147772634dcd]::util::bug::opt_span_bug_fmt<rustc_span[8155bebf48a1eb91]::span_encoding::Span>::{closure#0}, !>::{closure#0}
  21:     0x7fc4fe34773a - rustc_middle[aeb3147772634dcd]::ty::context::tls::with_context_opt::<rustc_middle[aeb3147772634dcd]::ty::context::tls::with_opt<rustc_middle[aeb3147772634dcd]::util::bug::opt_span_bug_fmt<rustc_span[8155bebf48a1eb91]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
  22:     0x7fc4fc1c42ad - rustc_middle[aeb3147772634dcd]::util::bug::bug_fmt
  23:     0x7fc4fcf40615 - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::prefix_slice_suffix
  24:     0x7fc4fcf44bc7 - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::simplify_candidate
  25:     0x7fc4fcf4092e - <core[db7c5f9f8e26b951]::iter::adapters::map::Map<core[db7c5f9f8e26b951]::slice::iter::Iter<alloc[2c2f5c796e500044]::boxed::Box<rustc_middle[aeb3147772634dcd]::thir::Pat>>, <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::create_or_subcandidates::{closure#0}> as core[db7c5f9f8e26b951]::iter::traits::iterator::Iterator>::fold::<(), core[db7c5f9f8e26b951]::iter::traits::iterator::Iterator::for_each::call<rustc_mir_build[c1d3f5d6f149c6f6]::build::matches::Candidate, <alloc[2c2f5c796e500044]::vec::Vec<rustc_mir_build[c1d3f5d6f149c6f6]::build::matches::Candidate>>::extend_trusted<core[db7c5f9f8e26b951]::iter::adapters::map::Map<core[db7c5f9f8e26b951]::slice::iter::Iter<alloc[2c2f5c796e500044]::boxed::Box<rustc_middle[aeb3147772634dcd]::thir::Pat>>, <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::create_or_subcandidates::{closure#0}>>::{closure#0}>::{closure#0}>
  26:     0x7fc4fcf3ff95 - <alloc[2c2f5c796e500044]::vec::Vec<rustc_mir_build[c1d3f5d6f149c6f6]::build::matches::Candidate> as alloc[2c2f5c796e500044]::vec::spec_from_iter::SpecFromIter<rustc_mir_build[c1d3f5d6f149c6f6]::build::matches::Candidate, core[db7c5f9f8e26b951]::iter::adapters::map::Map<core[db7c5f9f8e26b951]::slice::iter::Iter<alloc[2c2f5c796e500044]::boxed::Box<rustc_middle[aeb3147772634dcd]::thir::Pat>>, <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::create_or_subcandidates::{closure#0}>>>::from_iter
  27:     0x7fc4fcf3c06e - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::match_candidates
  28:     0x7fc4fc22b377 - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::lower_match_tree
  29:     0x7fc4fc208540 - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::expr_into_dest
  30:     0x7fc4fc2064eb - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::expr_into_dest
  31:     0x7fc4fc237ddc - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::ast_block_stmts
  32:     0x7fc4fc22a1d3 - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::ast_block
  33:     0x7fc4fc2073c2 - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::expr_into_dest
  34:     0x7fc4fc2064eb - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::expr_into_dest
  35:     0x7fc4fc2064eb - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::expr_into_dest
  36:     0x7fc4fc208c9d - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::expr_into_dest
  37:     0x7fc4fc2064eb - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::expr_into_dest
  38:     0x7fc4fc237ddc - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::ast_block_stmts
  39:     0x7fc4fc22a1d3 - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::ast_block
  40:     0x7fc4fc2073c2 - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::expr_into_dest
  41:     0x7fc4fc2064eb - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::expr_into_dest
  42:     0x7fc4fc2064eb - <rustc_mir_build[c1d3f5d6f149c6f6]::build::Builder>::expr_into_dest
  43:     0x7fc4fccedef5 - rustc_mir_build[c1d3f5d6f149c6f6]::build::mir_built
  44:     0x7fc4fbe32e6c - rustc_query_impl[30672f8f3d90a755]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[30672f8f3d90a755]::query_impl::mir_built::dynamic_query::{closure#2}::{closure#0}, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 8usize]>>
  45:     0x7fc4fbe32e4e - <rustc_query_impl[30672f8f3d90a755]::query_impl::mir_built::dynamic_query::{closure#2} as core[db7c5f9f8e26b951]::ops::function::FnOnce<(rustc_middle[aeb3147772634dcd]::ty::context::TyCtxt, rustc_span[8155bebf48a1eb91]::def_id::LocalDefId)>>::call_once
  46:     0x7fc4fbf265ad - rustc_query_system[29d9bde875297da0]::query::plumbing::try_execute_query::<rustc_query_impl[30672f8f3d90a755]::DynamicConfig<rustc_query_system[29d9bde875297da0]::query::caches::VecCache<rustc_span[8155bebf48a1eb91]::def_id::LocalDefId, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[30672f8f3d90a755]::plumbing::QueryCtxt, false>
  47:     0x7fc4fd789dc1 - rustc_query_impl[30672f8f3d90a755]::query_impl::mir_built::get_query_non_incr::__rust_end_short_backtrace
  48:     0x7fc4fcf73de4 - rustc_mir_transform[ea407ab7eecac49d]::check_unsafety::unsafety_check_result
  49:     0x7fc4fbe32eac - rustc_query_impl[30672f8f3d90a755]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[30672f8f3d90a755]::query_impl::unsafety_check_result::dynamic_query::{closure#2}::{closure#0}, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 8usize]>>
  50:     0x7fc4fbe32e8e - <rustc_query_impl[30672f8f3d90a755]::query_impl::unsafety_check_result::dynamic_query::{closure#2} as core[db7c5f9f8e26b951]::ops::function::FnOnce<(rustc_middle[aeb3147772634dcd]::ty::context::TyCtxt, rustc_span[8155bebf48a1eb91]::def_id::LocalDefId)>>::call_once
  51:     0x7fc4fbf265ad - rustc_query_system[29d9bde875297da0]::query::plumbing::try_execute_query::<rustc_query_impl[30672f8f3d90a755]::DynamicConfig<rustc_query_system[29d9bde875297da0]::query::caches::VecCache<rustc_span[8155bebf48a1eb91]::def_id::LocalDefId, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[30672f8f3d90a755]::plumbing::QueryCtxt, false>
  52:     0x7fc4fd784db1 - rustc_query_impl[30672f8f3d90a755]::query_impl::unsafety_check_result::get_query_non_incr::__rust_end_short_backtrace
  53:     0x7fc4fcf77394 - rustc_mir_transform[ea407ab7eecac49d]::check_unsafety::unsafety_check_result
  54:     0x7fc4fbe32eac - rustc_query_impl[30672f8f3d90a755]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[30672f8f3d90a755]::query_impl::unsafety_check_result::dynamic_query::{closure#2}::{closure#0}, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 8usize]>>
  55:     0x7fc4fbe32e8e - <rustc_query_impl[30672f8f3d90a755]::query_impl::unsafety_check_result::dynamic_query::{closure#2} as core[db7c5f9f8e26b951]::ops::function::FnOnce<(rustc_middle[aeb3147772634dcd]::ty::context::TyCtxt, rustc_span[8155bebf48a1eb91]::def_id::LocalDefId)>>::call_once
  56:     0x7fc4fbf265ad - rustc_query_system[29d9bde875297da0]::query::plumbing::try_execute_query::<rustc_query_impl[30672f8f3d90a755]::DynamicConfig<rustc_query_system[29d9bde875297da0]::query::caches::VecCache<rustc_span[8155bebf48a1eb91]::def_id::LocalDefId, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[30672f8f3d90a755]::plumbing::QueryCtxt, false>
  57:     0x7fc4fd784db1 - rustc_query_impl[30672f8f3d90a755]::query_impl::unsafety_check_result::get_query_non_incr::__rust_end_short_backtrace
  58:     0x7fc4fd1345e4 - rustc_mir_transform[ea407ab7eecac49d]::mir_const
  59:     0x7fc4fbe3e3ce - rustc_query_impl[30672f8f3d90a755]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[30672f8f3d90a755]::query_impl::mir_const::dynamic_query::{closure#2}::{closure#0}, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 8usize]>>
  60:     0x7fc4fbe3e39e - <rustc_query_impl[30672f8f3d90a755]::query_impl::mir_const::dynamic_query::{closure#2} as core[db7c5f9f8e26b951]::ops::function::FnOnce<(rustc_middle[aeb3147772634dcd]::ty::context::TyCtxt, rustc_span[8155bebf48a1eb91]::def_id::LocalDefId)>>::call_once
  61:     0x7fc4fbf265ad - rustc_query_system[29d9bde875297da0]::query::plumbing::try_execute_query::<rustc_query_impl[30672f8f3d90a755]::DynamicConfig<rustc_query_system[29d9bde875297da0]::query::caches::VecCache<rustc_span[8155bebf48a1eb91]::def_id::LocalDefId, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[30672f8f3d90a755]::plumbing::QueryCtxt, false>
  62:     0x7fc4fd7842a1 - rustc_query_impl[30672f8f3d90a755]::query_impl::mir_const::get_query_non_incr::__rust_end_short_backtrace
  63:     0x7fc4fc01258a - rustc_mir_transform[ea407ab7eecac49d]::mir_promoted
  64:     0x7fc4fbe32f01 - rustc_query_impl[30672f8f3d90a755]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[30672f8f3d90a755]::query_impl::mir_promoted::dynamic_query::{closure#2}::{closure#0}, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 16usize]>>
  65:     0x7fc4fc6cc5aa - rustc_query_system[29d9bde875297da0]::query::plumbing::try_execute_query::<rustc_query_impl[30672f8f3d90a755]::DynamicConfig<rustc_query_system[29d9bde875297da0]::query::caches::VecCache<rustc_span[8155bebf48a1eb91]::def_id::LocalDefId, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 16usize]>>, false, false, false>, rustc_query_impl[30672f8f3d90a755]::plumbing::QueryCtxt, false>
  66:     0x7fc4fd77f367 - rustc_query_impl[30672f8f3d90a755]::query_impl::mir_promoted::get_query_non_incr::__rust_end_short_backtrace
  67:     0x7fc4fc702a2c - rustc_borrowck[5b525c22e5b16615]::mir_borrowck
  68:     0x7fc4fbe3e42e - rustc_query_impl[30672f8f3d90a755]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[30672f8f3d90a755]::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 8usize]>>
  69:     0x7fc4fbe3e3fe - <rustc_query_impl[30672f8f3d90a755]::query_impl::mir_borrowck::dynamic_query::{closure#2} as core[db7c5f9f8e26b951]::ops::function::FnOnce<(rustc_middle[aeb3147772634dcd]::ty::context::TyCtxt, rustc_span[8155bebf48a1eb91]::def_id::LocalDefId)>>::call_once
  70:     0x7fc4fbf265ad - rustc_query_system[29d9bde875297da0]::query::plumbing::try_execute_query::<rustc_query_impl[30672f8f3d90a755]::DynamicConfig<rustc_query_system[29d9bde875297da0]::query::caches::VecCache<rustc_span[8155bebf48a1eb91]::def_id::LocalDefId, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[30672f8f3d90a755]::plumbing::QueryCtxt, false>
  71:     0x7fc4fd7850f1 - rustc_query_impl[30672f8f3d90a755]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
  72:     0x7fc4fcfa6e3e - rustc_hir_analysis[bed39c5e84d3e350]::collect::type_of::opaque::find_opaque_ty_constraints_for_rpit
  73:     0x7fc4fcfa3a04 - rustc_hir_analysis[bed39c5e84d3e350]::collect::type_of::type_of
  74:     0x7fc4fbf52a33 - rustc_query_impl[30672f8f3d90a755]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[30672f8f3d90a755]::query_impl::type_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 8usize]>>
  75:     0x7fc4fbf529f0 - <rustc_query_impl[30672f8f3d90a755]::query_impl::type_of::dynamic_query::{closure#2} as core[db7c5f9f8e26b951]::ops::function::FnOnce<(rustc_middle[aeb3147772634dcd]::ty::context::TyCtxt, rustc_span[8155bebf48a1eb91]::def_id::DefId)>>::call_once
  76:     0x7fc4fbe3d515 - rustc_query_system[29d9bde875297da0]::query::plumbing::try_execute_query::<rustc_query_impl[30672f8f3d90a755]::DynamicConfig<rustc_query_system[29d9bde875297da0]::query::caches::DefaultCache<rustc_span[8155bebf48a1eb91]::def_id::DefId, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[30672f8f3d90a755]::plumbing::QueryCtxt, false>
  77:     0x7fc4fd783d73 - rustc_query_impl[30672f8f3d90a755]::query_impl::type_of::get_query_non_incr::__rust_end_short_backtrace
  78:     0x7fc4fcddad50 - rustc_middle[aeb3147772634dcd]::query::plumbing::query_get_at::<rustc_query_system[29d9bde875297da0]::query::caches::DefaultCache<rustc_span[8155bebf48a1eb91]::def_id::DefId, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 8usize]>>>
  79:     0x7fc4fcdd4ca4 - rustc_hir_analysis[bed39c5e84d3e350]::check::check::check_mod_item_types
  80:     0x7fc4fcad91fc - rustc_query_impl[30672f8f3d90a755]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[30672f8f3d90a755]::query_impl::check_mod_item_types::dynamic_query::{closure#2}::{closure#0}, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 0usize]>>
  81:     0x7fc4fcad91de - <rustc_query_impl[30672f8f3d90a755]::query_impl::check_mod_item_types::dynamic_query::{closure#2} as core[db7c5f9f8e26b951]::ops::function::FnOnce<(rustc_middle[aeb3147772634dcd]::ty::context::TyCtxt, rustc_span[8155bebf48a1eb91]::def_id::LocalDefId)>>::call_once
  82:     0x7fc4fc4f518f - rustc_query_system[29d9bde875297da0]::query::plumbing::try_execute_query::<rustc_query_impl[30672f8f3d90a755]::DynamicConfig<rustc_query_system[29d9bde875297da0]::query::caches::VecCache<rustc_span[8155bebf48a1eb91]::def_id::LocalDefId, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[30672f8f3d90a755]::plumbing::QueryCtxt, false>
  83:     0x7fc4fd76fc04 - rustc_query_impl[30672f8f3d90a755]::query_impl::check_mod_item_types::get_query_non_incr::__rust_end_short_backtrace
  84:     0x7fc4fd298f57 - <rustc_middle[aeb3147772634dcd]::hir::map::Map>::for_each_module::<rustc_hir_analysis[bed39c5e84d3e350]::check_crate::{closure#6}::{closure#0}>
  85:     0x7fc4fd29832d - <rustc_session[91ea302e4bbb4392]::session::Session>::time::<(), rustc_hir_analysis[bed39c5e84d3e350]::check_crate::{closure#6}>
  86:     0x7fc4fd296ff7 - rustc_hir_analysis[bed39c5e84d3e350]::check_crate
  87:     0x7fc4fd28fb6a - rustc_interface[3e44238a9783f3c8]::passes::analysis
  88:     0x7fc4fd2dc83a - rustc_query_impl[30672f8f3d90a755]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[30672f8f3d90a755]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 1usize]>>
  89:     0x7fc4fd2dc829 - <rustc_query_impl[30672f8f3d90a755]::query_impl::analysis::dynamic_query::{closure#2} as core[db7c5f9f8e26b951]::ops::function::FnOnce<(rustc_middle[aeb3147772634dcd]::ty::context::TyCtxt, ())>>::call_once
  90:     0x7fc4fd471c18 - rustc_query_system[29d9bde875297da0]::query::plumbing::try_execute_query::<rustc_query_impl[30672f8f3d90a755]::DynamicConfig<rustc_query_system[29d9bde875297da0]::query::caches::SingleCache<rustc_middle[aeb3147772634dcd]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[30672f8f3d90a755]::plumbing::QueryCtxt, false>
  91:     0x7fc4fd4719e9 - rustc_query_impl[30672f8f3d90a755]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  92:     0x7fc4fd428485 - <rustc_middle[aeb3147772634dcd]::ty::context::GlobalCtxt>::enter::<rustc_driver_impl[1ee18bc64acaad37]::run_compiler::{closure#1}::{closure#2}::{closure#4}, core[db7c5f9f8e26b951]::result::Result<(), rustc_span[8155bebf48a1eb91]::ErrorGuaranteed>>
  93:     0x7fc4fd003f4b - <rustc_interface[3e44238a9783f3c8]::interface::Compiler>::enter::<rustc_driver_impl[1ee18bc64acaad37]::run_compiler::{closure#1}::{closure#2}, core[db7c5f9f8e26b951]::result::Result<core[db7c5f9f8e26b951]::option::Option<rustc_interface[3e44238a9783f3c8]::queries::Linker>, rustc_span[8155bebf48a1eb91]::ErrorGuaranteed>>
  94:     0x7fc4fcfffd99 - rustc_span[8155bebf48a1eb91]::set_source_map::<core[db7c5f9f8e26b951]::result::Result<(), rustc_span[8155bebf48a1eb91]::ErrorGuaranteed>, rustc_interface[3e44238a9783f3c8]::interface::run_compiler<core[db7c5f9f8e26b951]::result::Result<(), rustc_span[8155bebf48a1eb91]::ErrorGuaranteed>, rustc_driver_impl[1ee18bc64acaad37]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
  95:     0x7fc4fcfff8c5 - <scoped_tls[5f3106920672553]::ScopedKey<rustc_span[8155bebf48a1eb91]::SessionGlobals>>::set::<rustc_interface[3e44238a9783f3c8]::interface::run_compiler<core[db7c5f9f8e26b951]::result::Result<(), rustc_span[8155bebf48a1eb91]::ErrorGuaranteed>, rustc_driver_impl[1ee18bc64acaad37]::run_compiler::{closure#1}>::{closure#0}, core[db7c5f9f8e26b951]::result::Result<(), rustc_span[8155bebf48a1eb91]::ErrorGuaranteed>>
  96:     0x7fc4fcffeee6 - std[590ba7ead67831d4]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[3e44238a9783f3c8]::util::run_in_thread_pool_with_globals<rustc_interface[3e44238a9783f3c8]::interface::run_compiler<core[db7c5f9f8e26b951]::result::Result<(), rustc_span[8155bebf48a1eb91]::ErrorGuaranteed>, rustc_driver_impl[1ee18bc64acaad37]::run_compiler::{closure#1}>::{closure#0}, core[db7c5f9f8e26b951]::result::Result<(), rustc_span[8155bebf48a1eb91]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[db7c5f9f8e26b951]::result::Result<(), rustc_span[8155bebf48a1eb91]::ErrorGuaranteed>>
  97:     0x7fc4fd673945 - <<std[590ba7ead67831d4]::thread::Builder>::spawn_unchecked_<rustc_interface[3e44238a9783f3c8]::util::run_in_thread_pool_with_globals<rustc_interface[3e44238a9783f3c8]::interface::run_compiler<core[db7c5f9f8e26b951]::result::Result<(), rustc_span[8155bebf48a1eb91]::ErrorGuaranteed>, rustc_driver_impl[1ee18bc64acaad37]::run_compiler::{closure#1}>::{closure#0}, core[db7c5f9f8e26b951]::result::Result<(), rustc_span[8155bebf48a1eb91]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[db7c5f9f8e26b951]::result::Result<(), rustc_span[8155bebf48a1eb91]::ErrorGuaranteed>>::{closure#1} as core[db7c5f9f8e26b951]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  98:     0x7fc4ff04f695 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2e6f8aee19cb9bca
                               at /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/library/alloc/src/boxed.rs:1993:9
  99:     0x7fc4ff04f695 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4548c5cdbeb5a136
                               at /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/library/alloc/src/boxed.rs:1993:9
 100:     0x7fc4ff04f695 - std::sys::unix::thread::Thread::new::thread_start::h57734a91bfb8a041
                               at /rustc/22e9fe644ea710eec50cb0aabcae7fa8dd9fd675/library/std/src/sys/unix/thread.rs:108:17
 101:     0x7fc4faa9d44b - <unknown>
 102:     0x7fc4fab20e40 - <unknown>
 103:                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: rustc 1.72.0-nightly (22e9fe644 2023-06-23) running on x86_64-unknown-linux-gnu

query stack during panic:
#0 [mir_built] building MIR for `something::{closure#0}`
#1 [unsafety_check_result] unsafety-checking `something::{closure#0}`
#2 [unsafety_check_result] unsafety-checking `something`
#3 [mir_const] preparing `something` for borrow checking
#4 [mir_promoted] promoting constants in MIR for `something`
#5 [mir_borrowck] borrow-checking `something`
#6 [type_of] computing type of `something::{opaque#0}`
#7 [check_mod_item_types] checking item types in top-level module
#8 [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, E0670.
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 Jun 25, 2023
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BoxyUwU commented Jun 25, 2023

cc @clubby789

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This also ICEs on stable with the same error, so I don't think this is related to any of my recent changes at a glance. Having a look at it though

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Regression in nightly-2021-09-01
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

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clubby789 commented Jun 25, 2023 •
edited

update const generics feature gates

I suspect that might be a false positive bisect?

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ah meh, probably, if the feature gate was renamed or something, the code with the "new" feature gate might no longer trigger the ice once needed the old feature gate -_-

@workingjubilee workingjubilee added the E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc label Jun 26, 2023
@rust-lang-glacier-bot rust-lang-glacier-bot added the glacier ICE tracked in rust-lang/glacier. label Jul 14, 2023
@syvb syvb mentioned this issue Jul 15, 2023
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syvb commented Jul 15, 2023

Bisected to nightly-2022-11-27, probably caused by #99798.

cargo-bisect-rustc output 
  commit[0] 2022-11-25: Auto merge of #104902 - matthiaskrgr:rollup-oo27a4u, r=matthiaskrgr
  commit[1] 2022-11-25: Auto merge of #99798 - JulianKnodt:ac1, r=BoxyUwU
  commit[2] 2022-11-26: Auto merge of #104431 - alistair23:alistair/rv64-profiler, r=Mark-Simulacrum
  commit[3] 2022-11-26: Auto merge of #104730 - petrochenkov:modchild5, r=cjgillot
  commit[4] 2022-11-26: Auto merge of #103556 - clubby789:specialize-option-partial-eq, r=scottmcm
  commit[5] 2022-11-26: Auto merge of #104935 - matthiaskrgr:rollup-nuca86l, r=matthiaskrgr
  commit[6] 2022-11-26: Auto merge of #104731 - compiler-errors:early-binder-iter-size-hint, r=cjgillot
  commit[7] 2022-11-26: Auto merge of #104945 - GuillaumeGomez:rollup-ygzbpbe, r=GuillaumeGomez

@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.
@github-actions github-actions bot mentioned this issue Oct 25, 2023
Merged
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C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc F-generic_const_exprs `#![feature(generic_const_exprs)]` glacier ICE tracked in rust-lang/glacier. 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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