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incremental ICE: StableHasher: unexpected region '_#44 compiler/rustc_middle/src/ty/impls_ty.rs:97:17 #92240

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matthiaskrgr opened this issue Dec 24, 2021 · 1 comment · Fixed by #92242
Closed

incremental ICE: StableHasher: unexpected region '_#44 compiler/rustc_middle/src/ty/impls_ty.rs:97:17 #92240

matthiaskrgr opened this issue Dec 24, 2021 · 1 comment · Fixed by #92242
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@compiler-errors
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C-bug Category: This is a bug. 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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matthiaskrgr commented Dec 24, 2021 •
edited by rustbot

Code

code from ./src/test/ui/packed/packed-struct-drop-aligned.rs

// run-pass
#![feature(generators)]
#![feature(generator_trait)]
use std::cell::Cell;
use std::mem;
use std::ops::Generator;
use std::pin::Pin;

struct Aligned<'a> {
    drop_count: &'a Cell<usize>
}

#[inline(never)]
fn check_align(ptr: *const Aligned) {
    assert_eq!(ptr as usize % mem::align_of::<Aligned>(),
               0);
}

impl<'a> Drop for Aligned<'a> {
    fn drop(&mut self) {
        check_align(self);
        self.drop_count.set(self.drop_count.get() + 1);
    }
}

#[repr(transparent)]
struct NotCopy(u8);

#[repr(packed)]
struct Packed<'a>(NotCopy, Aligned<'a>);

fn main() {
    let drop_count = &Cell::new(0);
    {
        let mut p = Packed(NotCopy(0), Aligned { drop_count });
        p.1 = Aligned { drop_count };
        assert_eq!(drop_count.get(), 1);
    }
    assert_eq!(drop_count.get(), 2);

    let drop_count = &Cell::new(0);
    let mut g = || {
        let mut p = Packed(NotCopy(0), Aligned { drop_count });
        let _ = &p;
        p.1 = Aligned { drop_count };
        assert_eq!(drop_count.get(), 1);
        // Test that a generator drop function moves a value from a packed
        // struct to a separate local before dropping it. We move out the
        // first field to generate and open drop for the second field.
        drop(p.0);
        yield;
    };
    Pin::new(&mut g).resume(());
    assert_eq!(drop_count.get(), 1);
    drop(g);
    assert_eq!(drop_count.get(), 2);
}

Meta

rustc --version --verbose:

rustc 1.59.0-nightly (34926f0a1 2021-12-22)
binary: rustc
commit-hash: 34926f0a1681458588a2d4240c0715ef9eff7d35
commit-date: 2021-12-22
host: x86_64-unknown-linux-gnu
release: 1.59.0-nightly
LLVM version: 13.0.0

Error output

run twice:
rustc -Cincremental=/tmp/rustc_testrunner_tmpdir.2I9T7oVVCP7x -Zincremental-verify-ich=yes --crate-type lib ./src/test/ui/packed/packed-struct-drop-aligned.rs
rustc -Cincremental=/tmp/rustc_testrunner_tmpdir.2I9T7oVVCP7x -Zincremental-verify-ich=yes --crate-type lib ./src/test/ui/packed/packed-struct-drop-aligned.rs

error: internal compiler error: compiler/rustc_middle/src/ty/impls_ty.rs:97:17: StableHasher: unexpected region '_#44r

thread 'rustc' panicked at 'Box<dyn Any>', compiler/rustc_errors/src/lib.rs:1169:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

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 1.59.0-nightly (34926f0a1 2021-12-22) running on x86_64-unknown-linux-gnu

note: compiler flags: -Z incremental-verify-ich=yes -C incremental --crate-type lib

query stack during panic:
#0 [typeck] type-checking `main`
#1 [typeck] type-checking `main::{closure#0}`
end of query stack
error: aborting due to previous error
Backtrace 

error: internal compiler error: compiler/rustc_middle/src/ty/impls_ty.rs:97:17: StableHasher: unexpected region '_#44r

thread 'rustc' panicked at 'Box<dyn Any>', compiler/rustc_errors/src/lib.rs:1169:9
stack backtrace:
   0:     0x7f3a1be029bc - std::backtrace_rs::backtrace::libunwind::trace::h8be286d067839d4f
                               at /rustc/34926f0a1681458588a2d4240c0715ef9eff7d35/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f3a1be029bc - std::backtrace_rs::backtrace::trace_unsynchronized::h44b722b66416ac08
                               at /rustc/34926f0a1681458588a2d4240c0715ef9eff7d35/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f3a1be029bc - std::sys_common::backtrace::_print_fmt::h2b78b2a0da201765
                               at /rustc/34926f0a1681458588a2d4240c0715ef9eff7d35/library/std/src/sys_common/backtrace.rs:67:5
   3:     0x7f3a1be029bc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h890804b6cfffe9fc
                               at /rustc/34926f0a1681458588a2d4240c0715ef9eff7d35/library/std/src/sys_common/backtrace.rs:46:22
   4:     0x7f3a1be5f8ec - core::fmt::write::h0200d27bf417ad61
                               at /rustc/34926f0a1681458588a2d4240c0715ef9eff7d35/library/core/src/fmt/mod.rs:1149:17
   5:     0x7f3a1bdf2b35 - std::io::Write::write_fmt::h917ab11fd974bb56
                               at /rustc/34926f0a1681458588a2d4240c0715ef9eff7d35/library/std/src/io/mod.rs:1660:15
   6:     0x7f3a1be05df0 - std::sys_common::backtrace::_print::hc83d16fbacc2fa85
                               at /rustc/34926f0a1681458588a2d4240c0715ef9eff7d35/library/std/src/sys_common/backtrace.rs:49:5
   7:     0x7f3a1be05df0 - std::sys_common::backtrace::print::hf2dccf30793e7b28
                               at /rustc/34926f0a1681458588a2d4240c0715ef9eff7d35/library/std/src/sys_common/backtrace.rs:36:9
   8:     0x7f3a1be05df0 - std::panicking::default_hook::{{closure}}::h8710dbf03f1859af
                               at /rustc/34926f0a1681458588a2d4240c0715ef9eff7d35/library/std/src/panicking.rs:211:50
   9:     0x7f3a1be059a9 - std::panicking::default_hook::h86966dcda268d57f
                               at /rustc/34926f0a1681458588a2d4240c0715ef9eff7d35/library/std/src/panicking.rs:228:9
  10:     0x7f3a1c5a54e1 - rustc_driver[ef03483e6e54faee]::DEFAULT_HOOK::{closure#0}::{closure#0}
  11:     0x7f3a1be0658b - std::panicking::rust_panic_with_hook::h7a6b21c56a75680a
                               at /rustc/34926f0a1681458588a2d4240c0715ef9eff7d35/library/std/src/panicking.rs:610:17
  12:     0x7f3a1d6ea8ab - std[f5daaffdee63055a]::panicking::begin_panic::<rustc_errors[74f2b17879f6aa12]::ExplicitBug>::{closure#0}
  13:     0x7f3a1d6ea776 - std[f5daaffdee63055a]::sys_common::backtrace::__rust_end_short_backtrace::<std[f5daaffdee63055a]::panicking::begin_panic<rustc_errors[74f2b17879f6aa12]::ExplicitBug>::{closure#0}, !>
  14:     0x7f3a1d6ea71f - std[f5daaffdee63055a]::panicking::begin_panic::<rustc_errors[74f2b17879f6aa12]::ExplicitBug>
  15:     0x7f3a1d6f53dd - std[f5daaffdee63055a]::panic::panic_any::<rustc_errors[74f2b17879f6aa12]::ExplicitBug>
  16:     0x7f3a1d6f6acd - <rustc_errors[74f2b17879f6aa12]::HandlerInner>::bug
  17:     0x7f3a1d6f6570 - <rustc_errors[74f2b17879f6aa12]::Handler>::bug
  18:     0x7f3a1d580cd6 - rustc_middle[1bd93374e04e4dac]::ty::context::tls::with_opt::<rustc_middle[1bd93374e04e4dac]::util::bug::opt_span_bug_fmt<rustc_span[3725a9c78ff03fb]::span_encoding::Span>::{closure#0}, ()>
  19:     0x7f3a1d5810a0 - rustc_middle[1bd93374e04e4dac]::util::bug::opt_span_bug_fmt::<rustc_span[3725a9c78ff03fb]::span_encoding::Span>
  20:     0x7f3a1d581016 - rustc_middle[1bd93374e04e4dac]::util::bug::bug_fmt
  21:     0x7f3a1e348b16 - <rustc_middle[1bd93374e04e4dac]::ty::sty::RegionKind as rustc_data_structures[daf1824f3ba7b281]::stable_hasher::HashStable<rustc_query_system[509f33b95dc75556]::ich::hcx::StableHashingContext>>::hash_stable
  22:     0x7f3a1e2dfbaf - <rustc_middle[1bd93374e04e4dac]::ty::sty::TyKind as rustc_data_structures[daf1824f3ba7b281]::stable_hasher::HashStable<rustc_query_system[509f33b95dc75556]::ich::hcx::StableHashingContext>>::hash_stable
  23:     0x7f3a1df20bad - <rustc_query_system[509f33b95dc75556]::dep_graph::dep_node::DepNode<rustc_middle[1bd93374e04e4dac]::dep_graph::dep_node::DepKind>>::construct::<rustc_middle[1bd93374e04e4dac]::ty::context::TyCtxt, rustc_middle[1bd93374e04e4dac]::ty::ParamEnvAnd<&rustc_middle[1bd93374e04e4dac]::ty::TyS>>
  24:     0x7f3a1deb58e0 - rustc_query_system[509f33b95dc75556]::query::plumbing::get_query::<rustc_query_impl[a18d8b310cfcfe4a]::queries::layout_of, rustc_query_impl[a18d8b310cfcfe4a]::plumbing::QueryCtxt>
  25:     0x7f3a1defa39a - <rustc_query_impl[a18d8b310cfcfe4a]::Queries as rustc_middle[1bd93374e04e4dac]::ty::query::QueryEngine>::layout_of
  26:     0x7f3a1da833aa - <rustc_typeck[7bd2429f03693b00]::check::upvar::InferBorrowKind as rustc_typeck[7bd2429f03693b00]::expr_use_visitor::Delegate>::borrow
  27:     0x7f3a1da7eaa0 - <rustc_typeck[7bd2429f03693b00]::expr_use_visitor::ExprUseVisitor>::walk_expr
  28:     0x7f3a1da7d166 - <rustc_typeck[7bd2429f03693b00]::expr_use_visitor::ExprUseVisitor>::consume_expr
  29:     0x7f3a1e709b12 - <rustc_typeck[7bd2429f03693b00]::expr_use_visitor::ExprUseVisitor>::walk_block
  30:     0x7f3a1da7d6b3 - <rustc_typeck[7bd2429f03693b00]::expr_use_visitor::ExprUseVisitor>::walk_expr
  31:     0x7f3a1da7d166 - <rustc_typeck[7bd2429f03693b00]::expr_use_visitor::ExprUseVisitor>::consume_expr
  32:     0x7f3a1e70b78d - <rustc_typeck[7bd2429f03693b00]::expr_use_visitor::ExprUseVisitor>::consume_body
  33:     0x7f3a1e68c667 - <rustc_typeck[7bd2429f03693b00]::check::fn_ctxt::FnCtxt>::analyze_closure
  34:     0x7f3a1da7b872 - <rustc_typeck[7bd2429f03693b00]::check::upvar::InferBorrowKindVisitor as rustc_hir[ea8d95411a764e8f]::intravisit::Visitor>::visit_expr
  35:     0x7f3a1e6d4545 - rustc_hir[ea8d95411a764e8f]::intravisit::walk_stmt::<rustc_typeck[7bd2429f03693b00]::check::upvar::InferBorrowKindVisitor>
  36:     0x7f3a1e6d08f2 - rustc_hir[ea8d95411a764e8f]::intravisit::walk_block::<rustc_typeck[7bd2429f03693b00]::check::upvar::InferBorrowKindVisitor>
  37:     0x7f3a1da22431 - rustc_hir[ea8d95411a764e8f]::intravisit::walk_body::<rustc_typeck[7bd2429f03693b00]::check::upvar::InferBorrowKindVisitor>
  38:     0x7f3a1da2b9b7 - <rustc_infer[4df5280439fddac3]::infer::InferCtxtBuilder>::enter::<&rustc_middle[1bd93374e04e4dac]::ty::context::TypeckResults, <rustc_typeck[7bd2429f03693b00]::check::inherited::InheritedBuilder>::enter<rustc_typeck[7bd2429f03693b00]::check::typeck_with_fallback<rustc_typeck[7bd2429f03693b00]::check::typeck::{closure#0}>::{closure#1}, &rustc_middle[1bd93374e04e4dac]::ty::context::TypeckResults>::{closure#0}>
  39:     0x7f3a1da0e3ef - rustc_typeck[7bd2429f03693b00]::check::typeck
  40:     0x7f3a1e9e2c23 - <rustc_query_system[509f33b95dc75556]::dep_graph::graph::DepGraph<rustc_middle[1bd93374e04e4dac]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[1bd93374e04e4dac]::ty::context::TyCtxt, rustc_span[3725a9c78ff03fb]::def_id::LocalDefId, &rustc_middle[1bd93374e04e4dac]::ty::context::TypeckResults>
  41:     0x7f3a1e96ef5d - rustc_data_structures[daf1824f3ba7b281]::stack::ensure_sufficient_stack::<(&rustc_middle[1bd93374e04e4dac]::ty::context::TypeckResults, rustc_query_system[509f33b95dc75556]::dep_graph::graph::DepNodeIndex), rustc_query_system[509f33b95dc75556]::query::plumbing::execute_job<rustc_query_impl[a18d8b310cfcfe4a]::plumbing::QueryCtxt, rustc_span[3725a9c78ff03fb]::def_id::LocalDefId, &rustc_middle[1bd93374e04e4dac]::ty::context::TypeckResults>::{closure#3}>
  42:     0x7f3a1de770db - rustc_query_system[509f33b95dc75556]::query::plumbing::try_execute_query::<rustc_query_impl[a18d8b310cfcfe4a]::plumbing::QueryCtxt, rustc_query_system[509f33b95dc75556]::query::caches::DefaultCache<rustc_span[3725a9c78ff03fb]::def_id::LocalDefId, &rustc_middle[1bd93374e04e4dac]::ty::context::TypeckResults>>
  43:     0x7f3a1def470c - <rustc_query_impl[a18d8b310cfcfe4a]::Queries as rustc_middle[1bd93374e04e4dac]::ty::query::QueryEngine>::typeck
  44:     0x7f3a1da0e57d - rustc_typeck[7bd2429f03693b00]::check::typeck
  45:     0x7f3a1e9e2c23 - <rustc_query_system[509f33b95dc75556]::dep_graph::graph::DepGraph<rustc_middle[1bd93374e04e4dac]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[1bd93374e04e4dac]::ty::context::TyCtxt, rustc_span[3725a9c78ff03fb]::def_id::LocalDefId, &rustc_middle[1bd93374e04e4dac]::ty::context::TypeckResults>
  46:     0x7f3a1e96ef5d - rustc_data_structures[daf1824f3ba7b281]::stack::ensure_sufficient_stack::<(&rustc_middle[1bd93374e04e4dac]::ty::context::TypeckResults, rustc_query_system[509f33b95dc75556]::dep_graph::graph::DepNodeIndex), rustc_query_system[509f33b95dc75556]::query::plumbing::execute_job<rustc_query_impl[a18d8b310cfcfe4a]::plumbing::QueryCtxt, rustc_span[3725a9c78ff03fb]::def_id::LocalDefId, &rustc_middle[1bd93374e04e4dac]::ty::context::TypeckResults>::{closure#3}>
  47:     0x7f3a1de770db - rustc_query_system[509f33b95dc75556]::query::plumbing::try_execute_query::<rustc_query_impl[a18d8b310cfcfe4a]::plumbing::QueryCtxt, rustc_query_system[509f33b95dc75556]::query::caches::DefaultCache<rustc_span[3725a9c78ff03fb]::def_id::LocalDefId, &rustc_middle[1bd93374e04e4dac]::ty::context::TypeckResults>>
  48:     0x7f3a1def470c - <rustc_query_impl[a18d8b310cfcfe4a]::Queries as rustc_middle[1bd93374e04e4dac]::ty::query::QueryEngine>::typeck
  49:     0x7f3a1da73a50 - <rustc_middle[1bd93374e04e4dac]::hir::map::Map>::par_body_owners::<rustc_typeck[7bd2429f03693b00]::check::typeck_item_bodies::{closure#0}>
  50:     0x7f3a1e6bf16c - rustc_typeck[7bd2429f03693b00]::check::typeck_item_bodies
  51:     0x7f3a1ea03f44 - <rustc_query_system[509f33b95dc75556]::dep_graph::graph::DepGraph<rustc_middle[1bd93374e04e4dac]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[1bd93374e04e4dac]::ty::context::TyCtxt, (), ()>
  52:     0x7f3a1e971683 - rustc_data_structures[daf1824f3ba7b281]::stack::ensure_sufficient_stack::<((), rustc_query_system[509f33b95dc75556]::dep_graph::graph::DepNodeIndex), rustc_query_system[509f33b95dc75556]::query::plumbing::execute_job<rustc_query_impl[a18d8b310cfcfe4a]::plumbing::QueryCtxt, (), ()>::{closure#3}>
  53:     0x7f3a1e8ffb9d - rustc_query_system[509f33b95dc75556]::query::plumbing::try_execute_query::<rustc_query_impl[a18d8b310cfcfe4a]::plumbing::QueryCtxt, rustc_query_system[509f33b95dc75556]::query::caches::DefaultCache<(), ()>>
  54:     0x7f3a1e93cda8 - rustc_query_system[509f33b95dc75556]::query::plumbing::get_query::<rustc_query_impl[a18d8b310cfcfe4a]::queries::typeck_item_bodies, rustc_query_impl[a18d8b310cfcfe4a]::plumbing::QueryCtxt>
  55:     0x7f3a1e6bf83a - <rustc_session[58f7c109c5269542]::session::Session>::time::<(), rustc_typeck[7bd2429f03693b00]::check_crate::{closure#7}>
  56:     0x7f3a1e6b2e03 - rustc_typeck[7bd2429f03693b00]::check_crate
  57:     0x7f3a1e44db17 - rustc_interface[96c2bfae17369d98]::passes::analysis
  58:     0x7f3a1e9ffac0 - <rustc_query_system[509f33b95dc75556]::dep_graph::graph::DepGraph<rustc_middle[1bd93374e04e4dac]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[1bd93374e04e4dac]::ty::context::TyCtxt, (), core[96b11061995d1188]::result::Result<(), rustc_errors[74f2b17879f6aa12]::ErrorReported>>
  59:     0x7f3a1e96a353 - rustc_data_structures[daf1824f3ba7b281]::stack::ensure_sufficient_stack::<(core[96b11061995d1188]::result::Result<(), rustc_errors[74f2b17879f6aa12]::ErrorReported>, rustc_query_system[509f33b95dc75556]::dep_graph::graph::DepNodeIndex), rustc_query_system[509f33b95dc75556]::query::plumbing::execute_job<rustc_query_impl[a18d8b310cfcfe4a]::plumbing::QueryCtxt, (), core[96b11061995d1188]::result::Result<(), rustc_errors[74f2b17879f6aa12]::ErrorReported>>::{closure#3}>
  60:     0x7f3a1e8f67d6 - rustc_query_system[509f33b95dc75556]::query::plumbing::try_execute_query::<rustc_query_impl[a18d8b310cfcfe4a]::plumbing::QueryCtxt, rustc_query_system[509f33b95dc75556]::query::caches::DefaultCache<(), core[96b11061995d1188]::result::Result<(), rustc_errors[74f2b17879f6aa12]::ErrorReported>>>
  61:     0x7f3a1e94b925 - rustc_query_system[509f33b95dc75556]::query::plumbing::get_query::<rustc_query_impl[a18d8b310cfcfe4a]::queries::analysis, rustc_query_impl[a18d8b310cfcfe4a]::plumbing::QueryCtxt>
  62:     0x7f3a1e4439b9 - <rustc_interface[96c2bfae17369d98]::passes::QueryContext>::enter::<rustc_driver[ef03483e6e54faee]::run_compiler::{closure#1}::{closure#2}::{closure#3}, core[96b11061995d1188]::result::Result<(), rustc_errors[74f2b17879f6aa12]::ErrorReported>>
  63:     0x7f3a1e424d4a - <rustc_interface[96c2bfae17369d98]::interface::Compiler>::enter::<rustc_driver[ef03483e6e54faee]::run_compiler::{closure#1}::{closure#2}, core[96b11061995d1188]::result::Result<core[96b11061995d1188]::option::Option<rustc_interface[96c2bfae17369d98]::queries::Linker>, rustc_errors[74f2b17879f6aa12]::ErrorReported>>
  64:     0x7f3a1e42160d - rustc_span[3725a9c78ff03fb]::with_source_map::<core[96b11061995d1188]::result::Result<(), rustc_errors[74f2b17879f6aa12]::ErrorReported>, rustc_interface[96c2bfae17369d98]::interface::create_compiler_and_run<core[96b11061995d1188]::result::Result<(), rustc_errors[74f2b17879f6aa12]::ErrorReported>, rustc_driver[ef03483e6e54faee]::run_compiler::{closure#1}>::{closure#1}>
  65:     0x7f3a1e425d4f - <scoped_tls[d5c7b108b4a4c8d1]::ScopedKey<rustc_span[3725a9c78ff03fb]::SessionGlobals>>::set::<rustc_interface[96c2bfae17369d98]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[96c2bfae17369d98]::interface::run_compiler<core[96b11061995d1188]::result::Result<(), rustc_errors[74f2b17879f6aa12]::ErrorReported>, rustc_driver[ef03483e6e54faee]::run_compiler::{closure#1}>::{closure#0}, core[96b11061995d1188]::result::Result<(), rustc_errors[74f2b17879f6aa12]::ErrorReported>>::{closure#0}::{closure#0}, core[96b11061995d1188]::result::Result<(), rustc_errors[74f2b17879f6aa12]::ErrorReported>>
  66:     0x7f3a1e423dd5 - std[f5daaffdee63055a]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[96c2bfae17369d98]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[96c2bfae17369d98]::interface::run_compiler<core[96b11061995d1188]::result::Result<(), rustc_errors[74f2b17879f6aa12]::ErrorReported>, rustc_driver[ef03483e6e54faee]::run_compiler::{closure#1}>::{closure#0}, core[96b11061995d1188]::result::Result<(), rustc_errors[74f2b17879f6aa12]::ErrorReported>>::{closure#0}, core[96b11061995d1188]::result::Result<(), rustc_errors[74f2b17879f6aa12]::ErrorReported>>
  67:     0x7f3a1e41ffe2 - <<std[f5daaffdee63055a]::thread::Builder>::spawn_unchecked<rustc_interface[96c2bfae17369d98]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[96c2bfae17369d98]::interface::run_compiler<core[96b11061995d1188]::result::Result<(), rustc_errors[74f2b17879f6aa12]::ErrorReported>, rustc_driver[ef03483e6e54faee]::run_compiler::{closure#1}>::{closure#0}, core[96b11061995d1188]::result::Result<(), rustc_errors[74f2b17879f6aa12]::ErrorReported>>::{closure#0}, core[96b11061995d1188]::result::Result<(), rustc_errors[74f2b17879f6aa12]::ErrorReported>>::{closure#1} as core[96b11061995d1188]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  68:     0x7f3a1be11423 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7b6e32ec16c64424
                               at /rustc/34926f0a1681458588a2d4240c0715ef9eff7d35/library/alloc/src/boxed.rs:1811:9
  69:     0x7f3a1be11423 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hcf89e1818b8ae4ac
                               at /rustc/34926f0a1681458588a2d4240c0715ef9eff7d35/library/alloc/src/boxed.rs:1811:9
  70:     0x7f3a1be11423 - std::sys::unix::thread::Thread::new::thread_start::h349fd411a2397bec
                               at /rustc/34926f0a1681458588a2d4240c0715ef9eff7d35/library/std/src/sys/unix/thread.rs:108:17
  71:     0x7f3a1bd16259 - start_thread
  72:     0x7f3a1bc325e3 - __GI___clone
  73:                0x0 - <unknown>

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 1.59.0-nightly (34926f0a1 2021-12-22) running on x86_64-unknown-linux-gnu

note: compiler flags: -Z incremental-verify-ich=yes -C incremental --crate-type lib

query stack during panic:
#0 [typeck] type-checking `main`
#1 [typeck] type-checking `main::{closure#0}`
#2 [typeck_item_bodies] type-checking all item bodies
#3 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to previous error

@matthiaskrgr matthiaskrgr added C-bug Category: This is a bug. 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. labels Dec 24, 2021
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compiler-errors commented Dec 24, 2021 •
edited

Think I've got a fix. I'll put it up in a sec after this ./x.py test src/test/ui passes.

@rustbot claim

@compiler-errors compiler-errors mentioned this issue Dec 24, 2021
Merged
@bors bors closed this as completed in 664255b Feb 11, 2022
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C-bug Category: This is a bug. 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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Erase regions before calculating layout for packed field capture compiler-errors/rust
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