ICE: unknown intrinsic

[matthiaskrgr]

Code

#![crate_type = "staticlib"]
#![feature(core_intrinsics)]
use std::intrinsics::rustc_peek;
#[no_mangle]
fn foo() -> i32 {
    let x = 0;
    rustc_peek(x)
}

Meta

rustc --version --verbose:

rustc 1.61.0-nightly (4b043faba 2022-02-24)
binary: rustc
commit-hash: 4b043faba34ccc053a4d0110634c323f6c03765e
commit-date: 2022-02-24
host: x86_64-unknown-linux-gnu
release: 1.61.0-nightly
LLVM version: 14.0.0

Error output

Backtrace

error: internal compiler error: compiler/rustc_codegen_llvm/src/intrinsic.rs:370:18: unknown intrinsic 'rustc_peek'

thread 'rustc' panicked at 'Box<dyn Any>', compiler/rustc_errors/src/lib.rs:1160:9
stack backtrace:
   0:     0x7fd004afdd4c - std::backtrace_rs::backtrace::libunwind::trace::h853a1389f6e5e745
                               at /rustc/4b043faba34ccc053a4d0110634c323f6c03765e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7fd004afdd4c - std::backtrace_rs::backtrace::trace_unsynchronized::h141fba7f3343285a
                               at /rustc/4b043faba34ccc053a4d0110634c323f6c03765e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7fd004afdd4c - std::sys_common::backtrace::_print_fmt::h3413d0b0d4b31c4c
                               at /rustc/4b043faba34ccc053a4d0110634c323f6c03765e/library/std/src/sys_common/backtrace.rs:66:5
   3:     0x7fd004afdd4c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbc867a15ccd0341f
                               at /rustc/4b043faba34ccc053a4d0110634c323f6c03765e/library/std/src/sys_common/backtrace.rs:45:22
   4:     0x7fd004b5d9fc - core::fmt::write::h35157148513e92bc
                               at /rustc/4b043faba34ccc053a4d0110634c323f6c03765e/library/core/src/fmt/mod.rs:1190:17
   5:     0x7fd004aede78 - std::io::Write::write_fmt::hc5517132c5cecddc
                               at /rustc/4b043faba34ccc053a4d0110634c323f6c03765e/library/std/src/io/mod.rs:1657:15
   6:     0x7fd004b01d27 - std::sys_common::backtrace::_print::hc5f683d445b22529
                               at /rustc/4b043faba34ccc053a4d0110634c323f6c03765e/library/std/src/sys_common/backtrace.rs:48:5
   7:     0x7fd004b01d27 - std::sys_common::backtrace::print::hd841ed3190824cc9
                               at /rustc/4b043faba34ccc053a4d0110634c323f6c03765e/library/std/src/sys_common/backtrace.rs:35:9
   8:     0x7fd004b01d27 - std::panicking::default_hook::{{closure}}::h9a0c56b9dbc35012
                               at /rustc/4b043faba34ccc053a4d0110634c323f6c03765e/library/std/src/panicking.rs:295:22
   9:     0x7fd004b019df - std::panicking::default_hook::hc46807a97c7de333
                               at /rustc/4b043faba34ccc053a4d0110634c323f6c03765e/library/std/src/panicking.rs:314:9
  10:     0x7fd0052930d1 - rustc_driver[442ed871d20551d1]::DEFAULT_HOOK::{closure#0}::{closure#0}
  11:     0x7fd004b025f6 - std::panicking::rust_panic_with_hook::h1ad2fcf54bcf9bb5
                               at /rustc/4b043faba34ccc053a4d0110634c323f6c03765e/library/std/src/panicking.rs:702:17
  12:     0x7fd0062fcf11 - std[2a6da251afaa3124]::panicking::begin_panic::<rustc_errors[1b480dc045645b1a]::ExplicitBug>::{closure#0}
  13:     0x7fd0062fce76 - std[2a6da251afaa3124]::sys_common::backtrace::__rust_end_short_backtrace::<std[2a6da251afaa3124]::panicking::begin_panic<rustc_errors[1b480dc045645b1a]::ExplicitBug>::{closure#0}, !>
  14:     0x7fd00630337f - std[2a6da251afaa3124]::panicking::begin_panic::<rustc_errors[1b480dc045645b1a]::ExplicitBug>
  15:     0x7fd0063104ad - std[2a6da251afaa3124]::panic::panic_any::<rustc_errors[1b480dc045645b1a]::ExplicitBug>
  16:     0x7fd00630f737 - <rustc_errors[1b480dc045645b1a]::HandlerInner>::bug
  17:     0x7fd00630f230 - <rustc_errors[1b480dc045645b1a]::Handler>::bug
  18:     0x7fd0062667d9 - rustc_middle[cef953e2dc6653d0]::ty::context::tls::with_opt::<rustc_middle[cef953e2dc6653d0]::util::bug::opt_span_bug_fmt<rustc_span[cac29f2f15677c0e]::span_encoding::Span>::{closure#0}, ()>
  19:     0x7fd006266a70 - rustc_middle[cef953e2dc6653d0]::util::bug::opt_span_bug_fmt::<rustc_span[cac29f2f15677c0e]::span_encoding::Span>
  20:     0x7fd0062669e6 - rustc_middle[cef953e2dc6653d0]::util::bug::bug_fmt
  21:     0x7fd0071342e0 - <rustc_codegen_llvm[fbf752d051d739ba]::builder::Builder as rustc_codegen_ssa[795ae6073e3d8cbc]::traits::intrinsic::IntrinsicCallMethods>::codegen_intrinsic_call
  22:     0x7fd007145736 - <rustc_codegen_ssa[795ae6073e3d8cbc]::mir::FunctionCx<rustc_codegen_llvm[fbf752d051d739ba]::builder::Builder>>::codegen_intrinsic_call
  23:     0x7fd0064b0d2c - rustc_codegen_ssa[795ae6073e3d8cbc]::mir::codegen_mir::<rustc_codegen_llvm[fbf752d051d739ba]::builder::Builder>
  24:     0x7fd00646fb02 - rustc_codegen_llvm[fbf752d051d739ba]::base::compile_codegen_unit::module_codegen
  25:     0x7fd0070f75f2 - rustc_codegen_llvm[fbf752d051d739ba]::base::compile_codegen_unit
  26:     0x7fd0071201be - rustc_codegen_ssa[795ae6073e3d8cbc]::base::codegen_crate::<rustc_codegen_llvm[fbf752d051d739ba]::LlvmCodegenBackend>
  27:     0x7fd0070e403a - <rustc_codegen_llvm[fbf752d051d739ba]::LlvmCodegenBackend as rustc_codegen_ssa[795ae6073e3d8cbc]::traits::backend::CodegenBackend>::codegen_crate
  28:     0x7fd0070d3b67 - <rustc_session[94f6c5c92635dd6]::session::Session>::time::<alloc[712883fc59a62f7]::boxed::Box<dyn core[a2af605994515733]::any::Any>, rustc_interface[65caae14b4217ef3]::passes::start_codegen::{closure#0}>
  29:     0x7fd0070bba46 - <rustc_interface[65caae14b4217ef3]::passes::QueryContext>::enter::<<rustc_interface[65caae14b4217ef3]::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}, core[a2af605994515733]::result::Result<alloc[712883fc59a62f7]::boxed::Box<dyn core[a2af605994515733]::any::Any>, rustc_errors[1b480dc045645b1a]::ErrorReported>>
  30:     0x7fd0070b1edf - <rustc_interface[65caae14b4217ef3]::queries::Queries>::ongoing_codegen
  31:     0x7fd007089fdd - <rustc_interface[65caae14b4217ef3]::interface::Compiler>::enter::<rustc_driver[442ed871d20551d1]::run_compiler::{closure#1}::{closure#2}, core[a2af605994515733]::result::Result<core[a2af605994515733]::option::Option<rustc_interface[65caae14b4217ef3]::queries::Linker>, rustc_errors[1b480dc045645b1a]::ErrorReported>>
  32:     0x7fd00708c196 - rustc_span[cac29f2f15677c0e]::with_source_map::<core[a2af605994515733]::result::Result<(), rustc_errors[1b480dc045645b1a]::ErrorReported>, rustc_interface[65caae14b4217ef3]::interface::create_compiler_and_run<core[a2af605994515733]::result::Result<(), rustc_errors[1b480dc045645b1a]::ErrorReported>, rustc_driver[442ed871d20551d1]::run_compiler::{closure#1}>::{closure#1}>
  33:     0x7fd0070899b1 - rustc_interface[65caae14b4217ef3]::interface::create_compiler_and_run::<core[a2af605994515733]::result::Result<(), rustc_errors[1b480dc045645b1a]::ErrorReported>, rustc_driver[442ed871d20551d1]::run_compiler::{closure#1}>
  34:     0x7fd007075372 - <scoped_tls[876471c7b20f8e0c]::ScopedKey<rustc_span[cac29f2f15677c0e]::SessionGlobals>>::set::<rustc_interface[65caae14b4217ef3]::interface::run_compiler<core[a2af605994515733]::result::Result<(), rustc_errors[1b480dc045645b1a]::ErrorReported>, rustc_driver[442ed871d20551d1]::run_compiler::{closure#1}>::{closure#0}, core[a2af605994515733]::result::Result<(), rustc_errors[1b480dc045645b1a]::ErrorReported>>
  35:     0x7fd007074c2d - std[2a6da251afaa3124]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[65caae14b4217ef3]::util::run_in_thread_pool_with_globals<rustc_interface[65caae14b4217ef3]::interface::run_compiler<core[a2af605994515733]::result::Result<(), rustc_errors[1b480dc045645b1a]::ErrorReported>, rustc_driver[442ed871d20551d1]::run_compiler::{closure#1}>::{closure#0}, core[a2af605994515733]::result::Result<(), rustc_errors[1b480dc045645b1a]::ErrorReported>>::{closure#0}, core[a2af605994515733]::result::Result<(), rustc_errors[1b480dc045645b1a]::ErrorReported>>
  36:     0x7fd007073419 - <<std[2a6da251afaa3124]::thread::Builder>::spawn_unchecked_<rustc_interface[65caae14b4217ef3]::util::run_in_thread_pool_with_globals<rustc_interface[65caae14b4217ef3]::interface::run_compiler<core[a2af605994515733]::result::Result<(), rustc_errors[1b480dc045645b1a]::ErrorReported>, rustc_driver[442ed871d20551d1]::run_compiler::{closure#1}>::{closure#0}, core[a2af605994515733]::result::Result<(), rustc_errors[1b480dc045645b1a]::ErrorReported>>::{closure#0}, core[a2af605994515733]::result::Result<(), rustc_errors[1b480dc045645b1a]::ErrorReported>>::{closure#1} as core[a2af605994515733]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  37:     0x7fd004b0e183 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbda7b2dd6cb05b7b
                               at /rustc/4b043faba34ccc053a4d0110634c323f6c03765e/library/alloc/src/boxed.rs:1854:9
  38:     0x7fd004b0e183 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4e7c4e55f1ee6074
                               at /rustc/4b043faba34ccc053a4d0110634c323f6c03765e/library/alloc/src/boxed.rs:1854:9
  39:     0x7fd004b0e183 - std::sys::unix::thread::Thread::new::thread_start::h272cda2d6cad9954
                               at /rustc/4b043faba34ccc053a4d0110634c323f6c03765e/library/std/src/sys/unix/thread.rs:108:17
  40:     0x7fd004a13259 - start_thread
  41:     0x7fd00492f5e3 - __GI___clone
  42:                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 1.61.0-nightly (4b043faba 2022-02-24) running on x86_64-unknown-linux-gnu

query stack during panic:
end of query stack
error: aborting due to previous error

[Dylan-DPC]

output from cargo-bisect:

********************************************************************************
Regression in nightly-2021-09-02
********************************************************************************

fetching https://static.rust-lang.org/dist/2021-09-01/channel-rust-nightly-git-commit-hash.txt
nightly manifest 2021-09-01: 40 B / 40 B [=============================================================================================] 100.00 % 601.57 KB/s converted 2021-09-01 to 29ef6cf1637aa8317f8911f93f14e18d404c1b0e
fetching https://static.rust-lang.org/dist/2021-09-02/channel-rust-nightly-git-commit-hash.txt
nightly manifest 2021-09-02: 40 B / 40 B [=============================================================================================] 100.00 % 345.56 KB/s converted 2021-09-02 to 50171c310cd15e1b2d3723766ce64e2e4d6696fc
looking for regression commit between 2021-09-01 and 2021-09-02
cloning rust repository
fetching (via local git) commits from 29ef6cf1637aa8317f8911f93f14e18d404c1b0e to 50171c310cd15e1b2d3723766ce64e2e4d6696fc
refreshing repository at "rust.git"
From /~https://github.com/rust-lang/rust
 * branch                    HEAD       -> FETCH_HEAD
opening existing repository at "rust.git"
looking up first commit
looking up second commit
checking that commits are by bors and thus have ci artifacts...
finding bors merge commits
found 9 bors merge commits in the specified range
  commit[0] 2021-08-31UTC: Auto merge of #88506 - Mark-Simulacrum:fix-rlibs, r=ehuss
  commit[1] 2021-08-31UTC: Auto merge of #88533 - oli-obk:tait_🧊, r=spastorino
  commit[2] 2021-09-01UTC: Auto merge of #87688 - camsteffen:let-else, r=cjgillot
  commit[3] 2021-09-01UTC: Auto merge of #88121 - camelid:better-recursive-alias-error, r=estebank
  commit[4] 2021-09-01UTC: Auto merge of #88272 - willcrichton:mutable-sparse-matrix, r=ecstatic-morse
  commit[5] 2021-09-01UTC: Auto merge of #88556 - m-ou-se:rollup-q636wyd, r=m-ou-se
  commit[6] 2021-09-01UTC: Auto merge of #88395 - ricky26:llvm-submodule, r=nikic
  commit[7] 2021-09-01UTC: Auto merge of #88269 - prconrad:doctest-persist-binaries, r=jyn514
  commit[8] 2021-09-01UTC: Auto merge of #88563 - ehuss:update-cargo-books, r=ehuss

[compiler-errors]

rust-lang/compiler-team#620