Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

ICE: can't find an upper bound in nll::compute_regions in rustc_borrowck #122704

Open
shkoo opened this issue Mar 18, 2024 · 4 comments
Open

ICE: can't find an upper bound in nll::compute_regions in rustc_borrowck #122704

shkoo opened this issue Mar 18, 2024 · 4 comments
Labels
A-borrow-checker Area: The borrow checker C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

Comments

@shkoo
Copy link
Contributor

shkoo commented Mar 18, 2024

Code

use std::any::Any;

pub struct Foo {
    bar: Box<dyn for<'a> Fn(&'a usize) -> Box<dyn Any + 'a>>,
}

impl Foo {
    pub fn ack<I>(&mut self, f: impl for<'a> Fn(&'a usize) -> Box<I>) {
        self.bar = Box::new(|baz| Box::new(f(baz)));
    }
}

fn main() {}

Meta

rustc --version --verbose:

rustc 1.79.0-nightly (eb45c8444 2024-03-17)
binary: rustc
commit-hash: eb45c844407968ea54df0d9870ebce9e3235b706
commit-date: 2024-03-17
host: x86_64-unknown-linux-gnu
release: 1.79.0-nightly
LLVM version: 18.1.2

Error output

thread 'rustc' panicked at compiler/rustc_borrowck/src/type_check/free_region_relations.rs:97:9:
can't find an upper bound!?
stack backtrace:
   0:     0x7fcf37ef030f - std::backtrace_rs::backtrace::libunwind::trace::hd1b8e7bf69bd2659
                               at /rustc/eb45c844407968ea54df0d9870ebce9e3235b706/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
   1:     0x7fcf37ef030f - std::backtrace_rs::backtrace::trace_unsynchronized::ha2541878f17a8bf5
                               at /rustc/eb45c844407968ea54df0d9870ebce9e3235b706/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7fcf37ef030f - std::backtrace::Backtrace::create::h2489761f8d713f8d
                               at /rustc/eb45c844407968ea54df0d9870ebce9e3235b706/library/std/src/backtrace.rs:331:13
   3:     0x7fcf37ef0250 - std::backtrace::Backtrace::force_capture::h212b9648ae6a4e34
                               at /rustc/eb45c844407968ea54df0d9870ebce9e3235b706/library/std/src/backtrace.rs:312:9
   4:     0x7fcf3af33762 - std[f30794364a8567e8]::panicking::update_hook::<alloc[d4fc0c1400399e53]::boxed::Box<rustc_driver_impl[977aa2f7506c0463]::install_ice_hook::{closure#0}>>::{closure#0}
   5:     0x7fcf37f0ab50 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he9235fc142cfefbc
                               at /rustc/eb45c844407968ea54df0d9870ebce9e3235b706/library/alloc/src/boxed.rs:2034:9
   6:     0x7fcf37f0ab50 - std::panicking::rust_panic_with_hook::hcb10f10b9294465e
                               at /rustc/eb45c844407968ea54df0d9870ebce9e3235b706/library/std/src/panicking.rs:783:13
   7:     0x7fcf37f0a859 - std::panicking::begin_panic_handler::{{closure}}::h1df158136e631df7
                               at /rustc/eb45c844407968ea54df0d9870ebce9e3235b706/library/std/src/panicking.rs:649:13
   8:     0x7fcf37f07de6 - std::sys_common::backtrace::__rust_end_short_backtrace::h3eabad15a30d1baa
                               at /rustc/eb45c844407968ea54df0d9870ebce9e3235b706/library/std/src/sys_common/backtrace.rs:171:18
   9:     0x7fcf37f0a5c4 - rust_begin_unwind
                               at /rustc/eb45c844407968ea54df0d9870ebce9e3235b706/library/std/src/panicking.rs:645:5
  10:     0x7fcf37f551a5 - core::panicking::panic_fmt::hc408b30751ce7310
                               at /rustc/eb45c844407968ea54df0d9870ebce9e3235b706/library/core/src/panicking.rs:72:14
  11:     0x7fcf3ad4253d - <rustc_borrowck[19dbd917483b2da6]::type_check::free_region_relations::UniversalRegionRelations>::non_local_upper_bounds
  12:     0x7fcf39a48644 - rustc_borrowck[19dbd917483b2da6]::nll::compute_regions
  13:     0x7fcf3d1605ef - rustc_borrowck[19dbd917483b2da6]::do_mir_borrowck
  14:     0x7fcf3c349228 - rustc_borrowck[19dbd917483b2da6]::mir_borrowck
  15:     0x7fcf3c348d17 - rustc_query_impl[29f35dd1a1f5675d]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[29f35dd1a1f5675d]::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[e264bbe93e45f6ca]::query::erase::Erased<[u8; 8usize]>>
  16:     0x7fcf3c34ad2e - rustc_query_system[7e5eced594b3b3e4]::query::plumbing::try_execute_query::<rustc_query_impl[29f35dd1a1f5675d]::DynamicConfig<rustc_query_system[7e5eced594b3b3e4]::query::caches::VecCache<rustc_span[30575adc3f012a9d]::def_id::LocalDefId, rustc_middle[e264bbe93e45f6ca]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[29f35dd1a1f5675d]::plumbing::QueryCtxt, false>
  17:     0x7fcf3c34a84c - rustc_query_impl[29f35dd1a1f5675d]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
  18:     0x7fcf3cc5d29c - rustc_middle[e264bbe93e45f6ca]::query::plumbing::query_get_at::<rustc_query_system[7e5eced594b3b3e4]::query::caches::VecCache<rustc_span[30575adc3f012a9d]::def_id::LocalDefId, rustc_middle[e264bbe93e45f6ca]::query::erase::Erased<[u8; 8usize]>>>
  19:     0x7fcf3cc5d30e - <rustc_borrowck[19dbd917483b2da6]::type_check::TypeChecker>::prove_closure_bounds
  20:     0x7fcf3c6873a3 - <rustc_borrowck[19dbd917483b2da6]::type_check::TypeChecker>::typeck_mir
  21:     0x7fcf39a024ea - rustc_borrowck[19dbd917483b2da6]::type_check::type_check
  22:     0x7fcf39a3c137 - rustc_borrowck[19dbd917483b2da6]::nll::compute_regions
  23:     0x7fcf3d1605ef - rustc_borrowck[19dbd917483b2da6]::do_mir_borrowck
  24:     0x7fcf3c349228 - rustc_borrowck[19dbd917483b2da6]::mir_borrowck
  25:     0x7fcf3c348d17 - rustc_query_impl[29f35dd1a1f5675d]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[29f35dd1a1f5675d]::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[e264bbe93e45f6ca]::query::erase::Erased<[u8; 8usize]>>
  26:     0x7fcf3c34ad2e - rustc_query_system[7e5eced594b3b3e4]::query::plumbing::try_execute_query::<rustc_query_impl[29f35dd1a1f5675d]::DynamicConfig<rustc_query_system[7e5eced594b3b3e4]::query::caches::VecCache<rustc_span[30575adc3f012a9d]::def_id::LocalDefId, rustc_middle[e264bbe93e45f6ca]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[29f35dd1a1f5675d]::plumbing::QueryCtxt, false>
  27:     0x7fcf3c34a84c - rustc_query_impl[29f35dd1a1f5675d]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
  28:     0x7fcf3c61d95d - rustc_interface[2a44f2ea1a7c30d3]::passes::analysis
  29:     0x7fcf3c61cb19 - rustc_query_impl[29f35dd1a1f5675d]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[29f35dd1a1f5675d]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[e264bbe93e45f6ca]::query::erase::Erased<[u8; 1usize]>>
  30:     0x7fcf3cfc7ec3 - rustc_query_system[7e5eced594b3b3e4]::query::plumbing::try_execute_query::<rustc_query_impl[29f35dd1a1f5675d]::DynamicConfig<rustc_query_system[7e5eced594b3b3e4]::query::caches::SingleCache<rustc_middle[e264bbe93e45f6ca]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[29f35dd1a1f5675d]::plumbing::QueryCtxt, false>
  31:     0x7fcf3cfc7c3f - rustc_query_impl[29f35dd1a1f5675d]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  32:     0x7fcf3cdf3084 - rustc_interface[2a44f2ea1a7c30d3]::interface::run_compiler::<core[451cccbd72d71aca]::result::Result<(), rustc_span[30575adc3f012a9d]::ErrorGuaranteed>, rustc_driver_impl[977aa2f7506c0463]::run_compiler::{closure#0}>::{closure#0}
  33:     0x7fcf3cedf685 - std[f30794364a8567e8]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[2a44f2ea1a7c30d3]::util::run_in_thread_with_globals<rustc_interface[2a44f2ea1a7c30d3]::util::run_in_thread_pool_with_globals<rustc_interface[2a44f2ea1a7c30d3]::interface::run_compiler<core[451cccbd72d71aca]::result::Result<(), rustc_span[30575adc3f012a9d]::ErrorGuaranteed>, rustc_driver_impl[977aa2f7506c0463]::run_compiler::{closure#0}>::{closure#0}, core[451cccbd72d71aca]::result::Result<(), rustc_span[30575adc3f012a9d]::ErrorGuaranteed>>::{closure#0}, core[451cccbd72d71aca]::result::Result<(), rustc_span[30575adc3f012a9d]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[451cccbd72d71aca]::result::Result<(), rustc_span[30575adc3f012a9d]::ErrorGuaranteed>>
  34:     0x7fcf3cedf4b2 - <<std[f30794364a8567e8]::thread::Builder>::spawn_unchecked_<rustc_interface[2a44f2ea1a7c30d3]::util::run_in_thread_with_globals<rustc_interface[2a44f2ea1a7c30d3]::util::run_in_thread_pool_with_globals<rustc_interface[2a44f2ea1a7c30d3]::interface::run_compiler<core[451cccbd72d71aca]::result::Result<(), rustc_span[30575adc3f012a9d]::ErrorGuaranteed>, rustc_driver_impl[977aa2f7506c0463]::run_compiler::{closure#0}>::{closure#0}, core[451cccbd72d71aca]::result::Result<(), rustc_span[30575adc3f012a9d]::ErrorGuaranteed>>::{closure#0}, core[451cccbd72d71aca]::result::Result<(), rustc_span[30575adc3f012a9d]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[451cccbd72d71aca]::result::Result<(), rustc_span[30575adc3f012a9d]::ErrorGuaranteed>>::{closure#1} as core[451cccbd72d71aca]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  35:     0x7fcf37f141e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h746ad893ba25d760
                               at /rustc/eb45c844407968ea54df0d9870ebce9e3235b706/library/alloc/src/boxed.rs:2020:9
  36:     0x7fcf37f141e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6b3d742dc2cb92e7
                               at /rustc/eb45c844407968ea54df0d9870ebce9e3235b706/library/alloc/src/boxed.rs:2020:9
  37:     0x7fcf37f141e5 - std::sys::pal::unix::thread::Thread::new::thread_start::h23f93afbf81ba466
                               at /rustc/eb45c844407968ea54df0d9870ebce9e3235b706/library/std/src/sys/pal/unix/thread.rs:108:17
  38:     0x7fcf37e14609 - start_thread
                               at /build/glibc-wuryBv/glibc-2.31/nptl/pthread_create.c:477:8
  39:     0x7fcf37d39353 - clone
                               at /build/glibc-wuryBv/glibc-2.31/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  40:                0x0 - <unknown>


rustc version: 1.79.0-nightly (eb45c8444 2024-03-17)
platform: x86_64-unknown-linux-gnu

query stack during panic:
#0 [mir_borrowck] borrow-checking `<impl at repro.rs:7:1: 7:9>::ack::{closure#0}`
#1 [mir_borrowck] borrow-checking `<impl at repro.rs:7:1: 7:9>::ack`
#2 [analysis] running analysis passes on this crate
end of query stack
@shkoo shkoo 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 Mar 18, 2024
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Mar 18, 2024
@jieyouxu jieyouxu added the A-borrow-checker Area: The borrow checker label Mar 18, 2024
@matthiaskrgr
Copy link
Member

Regression in nightly-2022-06-08
get_commits_between returning commits, len: 7
commit[0] 2022-06-06: Auto merge of #97730 - flip1995:clippyup, r=Manishearth
commit[1] 2022-06-06: Auto merge of #97809 - matthiaskrgr:rollup-ajyvjd3, r=matthiaskrgr
commit[2] 2022-06-07: Auto merge of #97801 - RalfJung:miri, r=RalfJung
commit[3] 2022-06-07: Auto merge of #95565 - jackh726:remove-borrowck-mode, r=nikomatsakis
commit[4] 2022-06-07: Auto merge of #97512 - scottmcm:add-coldcc, r=nagisa,lcnr
commit[5] 2022-06-07: Auto merge of #97825 - Dylan-DPC:rollup-ya51k1k, r=Dylan-DPC
commit[6] 2022-06-07: Auto merge of #97835 - Dylan-DPC:rollup-0ae3pwp, r=Dylan-DPC
ERROR: no CI builds available between 50b0025 and 5435ed6 within last 167 days

probably 95565 ? cc @jackh726

@lqd
Copy link
Member

lqd commented Mar 18, 2024

That PR removed NLL's migrate mode, so maybe the bisection could go further back with with #![feature(nll)], to opt-in to full NLLs before it was the default.

@matthiaskrgr matthiaskrgr changed the title ICE: can't find an upper bound in nll::compute_regions in rustc_borrowck ICE: can't find an upper bound in nll::compute_regions in rustc_borrowck Mar 18, 2024
@matthiaskrgr
Copy link
Member

matthiaskrgr commented Mar 18, 2024 •
edited
Loading

fourth attempt or so...
searched toolchains nightly-2018-01-01 through nightly-2024-03-18

Regression in nightly-2019-03-14

looking for regression commit between 2019-03-13 and 2019-03-14
fetching (via remote github) commits from max(7c19e1e, 2019-03-11) to 719b0d9
ending github query because we found starting sha: 7c19e1e
get_commits_between returning commits, len: 6
commit[0] 2019-03-12: Auto merge of #58015 - icefoxen:tryfrom-docs, r=SimonSapin
commit[1] 2019-03-12: Auto merge of #58743 - varkor:bulk-needstest-1, r=alexcrichton
commit[2] 2019-03-13: Auto merge of #59151 - Centril:rollup, r=Centril
commit[3] 2019-03-13: Auto merge of #56864 - Zoxc:stable-hash-macro, r=michaelwoerister
commit[4] 2019-03-13: Auto merge of #58349 - petrochenkov:uni201x, r=pnkfelix
commit[5] 2019-03-13: Auto merge of #59143 - ehuss:update-cargo, r=ehuss
ERROR: no CI builds available between 7c19e1e and 719b0d9 within last 167 days

maybe #59132 ?

@saethlin saethlin removed the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Apr 9, 2024
@matthiaskrgr matthiaskrgr added the S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. label Apr 15, 2024
@matthiaskrgr matthiaskrgr mentioned this issue Jun 7, 2024
Open
@theemathas
Copy link
Contributor

Minimized:

trait IsStatic: 'static {}

impl<T: 'static> IsStatic for T {}

fn foo<T>(x: Box<T>) -> Box<dyn for<'a> FnOnce(&'a ()) -> Box<dyn IsStatic + 'a>> {
    Box::new(move |_| x)
}
Error output 
   Compiling playground v0.0.1 (/playground)
thread 'rustc' panicked at compiler/rustc_borrowck/src/type_check/free_region_relations.rs:97:9:
can't find an upper bound!?
stack backtrace:
   0:     0x7fa39f960ae5 - std::backtrace_rs::backtrace::libunwind::trace::hd03f93528d46491d
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
   1:     0x7fa39f960ae5 - std::backtrace_rs::backtrace::trace_unsynchronized::h74dc0b19b052c2ae
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7fa39f960ae5 - std::sys_common::backtrace::_print_fmt::h9a3bc0e652cf7b69
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/std/src/sys_common/backtrace.rs:68:5
   3:     0x7fa39f960ae5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4837d7bdd071c26e
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7fa39f9b177b - core::fmt::rt::Argument::fmt::h5f4cca7a86de3ac3
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/core/src/fmt/rt.rs:165:63
   5:     0x7fa39f9b177b - core::fmt::write::h58fee7e5e6f828bb
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/core/src/fmt/mod.rs:1168:21
   6:     0x7fa39f9556bf - std::io::Write::write_fmt::h5a54d56832f12d0f
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/std/src/io/mod.rs:1835:15
   7:     0x7fa39f9608be - std::sys_common::backtrace::_print::hf8a2cb55c2c8353b
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7fa39f9608be - std::sys_common::backtrace::print::h6b23178d2042c60b
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7fa39f9632f9 - std::panicking::default_hook::{{closure}}::h8098cbc85e732f3b
  10:     0x7fa39f96309c - std::panicking::default_hook::h21b51f336018bc80
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/std/src/panicking.rs:292:9
  11:     0x7fa3a2c957ff - std[e439e5cd3a449d52]::panicking::update_hook::<alloc[b12fd6abffc16fa6]::boxed::Box<rustc_driver_impl[9892696329624aa2]::install_ice_hook::{closure#0}>>::{closure#0}
  12:     0x7fa39f963bff - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h5602e10eecbd0618
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/alloc/src/boxed.rs:2076:9
  13:     0x7fa39f963bff - std::panicking::rust_panic_with_hook::hd1b3711c6ea634e2
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/std/src/panicking.rs:801:13
  14:     0x7fa39f9637f3 - std::panicking::begin_panic_handler::{{closure}}::h01c1581833053b47
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/std/src/panicking.rs:660:13
  15:     0x7fa39f960fa9 - std::sys_common::backtrace::__rust_end_short_backtrace::h12d87452272215f0
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/std/src/sys_common/backtrace.rs:171:18
  16:     0x7fa39f9634d4 - rust_begin_unwind
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/std/src/panicking.rs:658:5
  17:     0x7fa39f9add33 - core::panicking::panic_fmt::h219f5a3f16bd9a4d
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/core/src/panicking.rs:74:14
  18:     0x7fa3a2aa270a - <rustc_borrowck[d08da6903e11d7f3]::type_check::free_region_relations::UniversalRegionRelations>::non_local_upper_bounds
  19:     0x7fa3a115387d - rustc_borrowck[d08da6903e11d7f3]::nll::compute_regions
  20:     0x7fa3a4f5f93a - rustc_borrowck[d08da6903e11d7f3]::do_mir_borrowck
  21:     0x7fa3a4f51a3e - rustc_query_impl[8f9eb950d6cc008f]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[8f9eb950d6cc008f]::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[e07a585f38de947]::query::erase::Erased<[u8; 8usize]>>
  22:     0x7fa3a42e66ee - rustc_query_system[8ccdec27dd679281]::query::plumbing::try_execute_query::<rustc_query_impl[8f9eb950d6cc008f]::DynamicConfig<rustc_query_system[8ccdec27dd679281]::query::caches::VecCache<rustc_span[7d8a0f37f02bb30e]::def_id::LocalDefId, rustc_middle[e07a585f38de947]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[8f9eb950d6cc008f]::plumbing::QueryCtxt, false>
  23:     0x7fa3a42e614d - rustc_query_impl[8f9eb950d6cc008f]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
  24:     0x7fa3a4930860 - rustc_middle[e07a585f38de947]::query::plumbing::query_get_at::<rustc_query_system[8ccdec27dd679281]::query::caches::VecCache<rustc_span[7d8a0f37f02bb30e]::def_id::LocalDefId, rustc_middle[e07a585f38de947]::query::erase::Erased<[u8; 8usize]>>>
  25:     0x7fa3a49308ce - <rustc_borrowck[d08da6903e11d7f3]::type_check::TypeChecker>::prove_closure_bounds
  26:     0x7fa3a40e459e - <rustc_borrowck[d08da6903e11d7f3]::type_check::TypeChecker>::typeck_mir
  27:     0x7fa3a11845ad - rustc_borrowck[d08da6903e11d7f3]::type_check::type_check
  28:     0x7fa3a1147ca8 - rustc_borrowck[d08da6903e11d7f3]::nll::compute_regions
  29:     0x7fa3a4f5f93a - rustc_borrowck[d08da6903e11d7f3]::do_mir_borrowck
  30:     0x7fa3a4f51a3e - rustc_query_impl[8f9eb950d6cc008f]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[8f9eb950d6cc008f]::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[e07a585f38de947]::query::erase::Erased<[u8; 8usize]>>
  31:     0x7fa3a42e66ee - rustc_query_system[8ccdec27dd679281]::query::plumbing::try_execute_query::<rustc_query_impl[8f9eb950d6cc008f]::DynamicConfig<rustc_query_system[8ccdec27dd679281]::query::caches::VecCache<rustc_span[7d8a0f37f02bb30e]::def_id::LocalDefId, rustc_middle[e07a585f38de947]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[8f9eb950d6cc008f]::plumbing::QueryCtxt, false>
  32:     0x7fa3a42e614d - rustc_query_impl[8f9eb950d6cc008f]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
  33:     0x7fa3a4a0b313 - rustc_interface[c905b19a64c8fe9a]::passes::analysis
  34:     0x7fa3a4a0a487 - rustc_query_impl[8f9eb950d6cc008f]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[8f9eb950d6cc008f]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[e07a585f38de947]::query::erase::Erased<[u8; 1usize]>>
  35:     0x7fa3a4df92a5 - rustc_query_system[8ccdec27dd679281]::query::plumbing::try_execute_query::<rustc_query_impl[8f9eb950d6cc008f]::DynamicConfig<rustc_query_system[8ccdec27dd679281]::query::caches::SingleCache<rustc_middle[e07a585f38de947]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[8f9eb950d6cc008f]::plumbing::QueryCtxt, false>
  36:     0x7fa3a4df900f - rustc_query_impl[8f9eb950d6cc008f]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  37:     0x7fa3a4cbd7d2 - rustc_interface[c905b19a64c8fe9a]::interface::run_compiler::<core[bd37ed12c97f867b]::result::Result<(), rustc_span[7d8a0f37f02bb30e]::ErrorGuaranteed>, rustc_driver_impl[9892696329624aa2]::run_compiler::{closure#0}>::{closure#1}
  38:     0x7fa3a4ce13a7 - std[e439e5cd3a449d52]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[c905b19a64c8fe9a]::util::run_in_thread_with_globals<rustc_interface[c905b19a64c8fe9a]::util::run_in_thread_pool_with_globals<rustc_interface[c905b19a64c8fe9a]::interface::run_compiler<core[bd37ed12c97f867b]::result::Result<(), rustc_span[7d8a0f37f02bb30e]::ErrorGuaranteed>, rustc_driver_impl[9892696329624aa2]::run_compiler::{closure#0}>::{closure#1}, core[bd37ed12c97f867b]::result::Result<(), rustc_span[7d8a0f37f02bb30e]::ErrorGuaranteed>>::{closure#0}, core[bd37ed12c97f867b]::result::Result<(), rustc_span[7d8a0f37f02bb30e]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[bd37ed12c97f867b]::result::Result<(), rustc_span[7d8a0f37f02bb30e]::ErrorGuaranteed>>
  39:     0x7fa3a4ce116a - <<std[e439e5cd3a449d52]::thread::Builder>::spawn_unchecked_<rustc_interface[c905b19a64c8fe9a]::util::run_in_thread_with_globals<rustc_interface[c905b19a64c8fe9a]::util::run_in_thread_pool_with_globals<rustc_interface[c905b19a64c8fe9a]::interface::run_compiler<core[bd37ed12c97f867b]::result::Result<(), rustc_span[7d8a0f37f02bb30e]::ErrorGuaranteed>, rustc_driver_impl[9892696329624aa2]::run_compiler::{closure#0}>::{closure#1}, core[bd37ed12c97f867b]::result::Result<(), rustc_span[7d8a0f37f02bb30e]::ErrorGuaranteed>>::{closure#0}, core[bd37ed12c97f867b]::result::Result<(), rustc_span[7d8a0f37f02bb30e]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[bd37ed12c97f867b]::result::Result<(), rustc_span[7d8a0f37f02bb30e]::ErrorGuaranteed>>::{closure#2} as core[bd37ed12c97f867b]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  40:     0x7fa39f96da7b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h32b9a9f0c1b7e30b
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/alloc/src/boxed.rs:2062:9
  41:     0x7fa39f96da7b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h33379ef2bcdd46d5
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/alloc/src/boxed.rs:2062:9
  42:     0x7fa39f96da7b - std::sys::pal::unix::thread::Thread::new::thread_start::h27a5de020b7d499b
                               at /rustc/f8e566053207b4ecbcbc7a7d6ded82c43061e3da/library/std/src/sys/pal/unix/thread.rs:108:17
  43:     0x7fa39f87b609 - start_thread
  44:     0x7fa39f79e353 - clone
  45:                0x0 - <unknown>

error: 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: please make sure that you have updated to the latest nightly

note: please attach the file at `/playground/rustc-ice-2024-06-15T05_47_22-27.txt` to your bug report

note: compiler flags: --crate-type lib -C embed-bitcode=no -C codegen-units=1 -C debuginfo=2

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

query stack during panic:
#0 [mir_borrowck] borrow-checking `foo::{closure#0}`
#1 [mir_borrowck] borrow-checking `foo`
end of query stack
error: could not compile `playground` (lib)

Identical to #125891 except for having dyn instead of impl.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
A-borrow-checker Area: The borrow checker C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
7 participants
@lqd @matthiaskrgr @shkoo @theemathas @saethlin @jieyouxu @rustbot