ICE: kcfi: `encode_region: unexpected ''static'`

[matthiaskrgr]

auto-reduced (treereduce-rust):

trait Empty {}

#[repr(transparent)]
pub struct FunnyPointer(dyn Empty);

#[repr(C)]
pub struct Meta {
    drop_fn: fn(&mut ()),
    size: usize,
    align: usize,
}

impl Meta {
    pub fn new() -> Self {
        Meta {
            drop_fn: |_| {},
            size: 0,
            align: 1,
        }
    }
}

#[repr(C)]
pub struct FatPointer {
    pub data: *const (),
    pub vtable: *const (),
}

impl FunnyPointer {
    pub unsafe fn from_data_ptr(data: &String, ptr: *const Meta) -> &Self {
        let obj = FatPointer {
            data: data as *const _ as *const (),
            vtable: ptr as *const _ as *const (),
        };
        let obj = std::mem::transmute::<FatPointer, *mut FunnyPointer>(obj);
        &*obj
    }
}

fn main() {
    unsafe {
        let meta = Meta::new();
        let hello = "hello".to_string();
        let _raw: &FunnyPointer = FunnyPointer::from_data_ptr(&hello, &meta as *const _);
    }
}

original:

trait Empty {}

#[repr(transparent)]
pub struct FunnyPointer(dyn Empty);

#[repr(C)]
pub struct Meta {
    drop_fn: fn(&mut ()),
    size: usize,
    align: usize,
}

impl Meta {
    pub fn new() -> Self {
        Meta { drop_fn: |_| {}, size: 0, align: 1 }
    }
}

#[repr(C)]
pub struct FatPointer {
    pub data: *const (),
    pub vtable: *const (),
}

impl FunnyPointer {
    pub unsafe fn from_data_ptr(data: &String, ptr: *const Meta) -> &Self {
        let obj = FatPointer {
            data: data as *const _ as *const (),
            vtable: ptr as *const _ as *const (),
        };
        let obj = std::mem::transmute::<FatPointer, *mut FunnyPointer>(obj); //~ ERROR: expected a vtable pointer
        &*obj
    }
}

fn main() {
    unsafe {
        let meta = Meta::new();
        let hello = "hello".to_string();
        let _raw: &FunnyPointer = FunnyPointer::from_data_ptr(&hello, &meta as *const _);
    }
}

Version information

rustc 1.79.0-dev
binary: rustc
commit-hash: unknown
commit-date: unknown
host: x86_64-unknown-linux-gnu
release: 1.79.0-dev
LLVM version: 18.1.3

Command:
/home/matthias/.rustup/toolchains/local-debug-assertions/bin/rustc -Zsanitizer=kcfi -Cpanic=abort

Program output

error: internal compiler error: compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs:296:13: encode_region: unexpected `'static`

thread 'rustc' panicked at compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs:296:13:
Box<dyn Any>
stack backtrace:
   0:     0x71081e980a44 - std::backtrace_rs::backtrace::libunwind::trace::h265d1925ea598df2
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
   1:     0x71081e980a44 - std::backtrace_rs::backtrace::trace_unsynchronized::hb7395057f0c5468d
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x71081e980a44 - std::sys_common::backtrace::_print_fmt::h3d47c991162d4e52
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:68:5
   3:     0x71081e980a44 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hacda344c49f35c2d
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x71081e9c37e5 - core::fmt::rt::Argument::fmt::h73fccf37a3b29a55
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/fmt/rt.rs:142:9
   5:     0x71081e9c37e5 - core::fmt::write::h5e0aa268252d3b32
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/fmt/mod.rs:1153:17
   6:     0x71081e94b6d9 - std::io::Write::write_fmt::hd8859b8fbc5fad9b
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/io/mod.rs:1843:15
   7:     0x71081e9807fe - std::sys_common::backtrace::_print::hd162dc200d0a9165
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x71081e9807fe - std::sys_common::backtrace::print::h5331a7a997abba9a
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x71081e96684a - std::panicking::default_hook::{{closure}}::hde322b8785a305f9
  10:     0x71081e966546 - std::panicking::default_hook::h8bb4e5b2167fa65c
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:291:9
  11:     0x71082158e198 - rustc_driver_impl[3245b2fc008c51d3]::install_ice_hook::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver_impl/src/lib.rs:1351:17
  12:     0x71082158e198 - <alloc[7a6344611ae1f7a8]::boxed::Box<rustc_driver_impl[3245b2fc008c51d3]::install_ice_hook::{closure#0}> as core[bf256ce745c7f201]::ops::function::Fn<(&dyn for<'a, 'b> core[bf256ce745c7f201]::ops::function::Fn<(&'a core[bf256ce745c7f201]::panic::panic_info::PanicInfo<'b>,), Output = ()> + core[bf256ce745c7f201]::marker::Send + core[bf256ce745c7f201]::marker::Sync, &core[bf256ce745c7f201]::panic::panic_info::PanicInfo)>>::call
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:2032:9
  13:     0x71081e966dd1 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8e32d665fbe06219
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:2032:9
  14:     0x71081e966dd1 - std::panicking::rust_panic_with_hook::h6c21735fa2b9110c
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:792:13
  15:     0x7108216ce226 - std[5dd5c2799579c4c8]::panicking::begin_panic::<rustc_errors[c9f9645da0d6d137]::ExplicitBug>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:687:9
  16:     0x7108216cce16 - std[5dd5c2799579c4c8]::sys_common::backtrace::__rust_end_short_backtrace::<std[5dd5c2799579c4c8]::panicking::begin_panic<rustc_errors[c9f9645da0d6d137]::ExplicitBug>::{closure#0}, !>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:171:18
  17:     0x7108216e8ca6 - std[5dd5c2799579c4c8]::panicking::begin_panic::<rustc_errors[c9f9645da0d6d137]::ExplicitBug>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:686:12
  18:     0x7108216bc291 - std[5dd5c2799579c4c8]::panic::panic_any::<rustc_errors[c9f9645da0d6d137]::ExplicitBug>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panic.rs:63:5
  19:     0x7108216bc291 - <rustc_errors[c9f9645da0d6d137]::diagnostic::BugAbort as rustc_errors[c9f9645da0d6d137]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/diagnostic.rs:84:9
  20:     0x710822856cb0 - <rustc_errors[c9f9645da0d6d137]::diagnostic::Diag<rustc_errors[c9f9645da0d6d137]::diagnostic::BugAbort>>::emit
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/diagnostic.rs:1320:9
  21:     0x710822856cb0 - <rustc_errors[c9f9645da0d6d137]::DiagCtxt>::bug::<alloc[7a6344611ae1f7a8]::string::String>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/lib.rs:1126:30
  22:     0x710822856cb0 - rustc_middle[340db270b268494c]::util::bug::opt_span_bug_fmt::<rustc_span[911f79266521dd07]::span_encoding::Span>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/util/bug.rs:37:48
  23:     0x710822856972 - rustc_middle[340db270b268494c]::ty::context::tls::with_opt::<rustc_middle[340db270b268494c]::util::bug::opt_span_bug_fmt<rustc_span[911f79266521dd07]::span_encoding::Span>::{closure#0}, !>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:158:23
  24:     0x71082285692b - rustc_middle[340db270b268494c]::ty::context::tls::with_context_opt::<rustc_middle[340db270b268494c]::ty::context::tls::with_opt<rustc_middle[340db270b268494c]::util::bug::opt_span_bug_fmt<rustc_span[911f79266521dd07]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
  25:     0x710822856ba0 - rustc_middle[340db270b268494c]::ty::context::tls::with_opt::<rustc_middle[340db270b268494c]::util::bug::opt_span_bug_fmt<rustc_span[911f79266521dd07]::span_encoding::Span>::{closure#0}, !>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:156:5
  26:     0x710822856ba0 - rustc_middle[340db270b268494c]::util::bug::opt_span_bug_fmt::<rustc_span[911f79266521dd07]::span_encoding::Span>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/util/bug.rs:31:5
  27:     0x710822856ba0 - rustc_middle[340db270b268494c]::util::bug::bug_fmt
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/util/bug.rs:15:5
  28:     0x710823a4c27a - rustc_sanitizers[cb8bd6ee71e8255]::cfi::typeid::itanium_cxx_abi::encode::encode_region
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs:296:13
  29:     0x710823a4edce - rustc_sanitizers[cb8bd6ee71e8255]::cfi::typeid::itanium_cxx_abi::encode::encode_ty
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs:610:25
  30:     0x710823a4e6d1 - rustc_sanitizers[cb8bd6ee71e8255]::cfi::typeid::itanium_cxx_abi::encode::encode_ty
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs:569:25
  31:     0x710823a52d10 - rustc_sanitizers[cb8bd6ee71e8255]::cfi::typeid::itanium_cxx_abi::typeid_for_fnabi
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/mod.rs:60:22
  32:     0x710823a53f84 - rustc_sanitizers[cb8bd6ee71e8255]::cfi::typeid::itanium_cxx_abi::typeid_for_instance
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/mod.rs:122:5
  33:     0x710823a5aff6 - rustc_sanitizers[cb8bd6ee71e8255]::kcfi::typeid::typeid_for_instance
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_sanitizers/src/kcfi/typeid/mod.rs:53:16
  34:     0x7108210dea64 - <rustc_codegen_llvm[ad47ec0b1bae30a6]::context::CodegenCx>::declare_fn
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_codegen_llvm/src/declare.rs:184:35
  35:     0x7108210df913 - <rustc_codegen_llvm[ad47ec0b1bae30a6]::context::CodegenCx as rustc_codegen_ssa[85967c5d94f5bca9]::traits::declare::PreDefineMethods>::predefine_fn
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_codegen_llvm/src/mono_item.rs:63:22
  36:     0x710821169515 - <rustc_middle[340db270b268494c]::mir::mono::MonoItem as rustc_codegen_ssa[85967c5d94f5bca9]::mono_item::MonoItemExt>::predefine::<rustc_codegen_llvm[ad47ec0b1bae30a6]::builder::Builder>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_codegen_ssa/src/mono_item.rs:138:17
  37:     0x710821121440 - rustc_codegen_llvm[ad47ec0b1bae30a6]::base::compile_codegen_unit::module_codegen
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_codegen_llvm/src/base.rs:88:17
  38:     0x710821120249 - <rustc_query_system[4fa63941cdc3ebb8]::dep_graph::graph::DepGraph<rustc_middle[340db270b268494c]::dep_graph::DepsType>>::with_task::<rustc_middle[340db270b268494c]::ty::context::TyCtxt, rustc_span[911f79266521dd07]::symbol::Symbol, rustc_codegen_ssa[85967c5d94f5bca9]::ModuleCodegen<rustc_codegen_llvm[ad47ec0b1bae30a6]::ModuleLlvm>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/dep_graph/graph.rs:285:22
  39:     0x710821120249 - rustc_codegen_llvm[ad47ec0b1bae30a6]::base::compile_codegen_unit
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_codegen_llvm/src/base.rs:62:23
  40:     0x7108210547c1 - <rustc_codegen_llvm[ad47ec0b1bae30a6]::LlvmCodegenBackend as rustc_codegen_ssa[85967c5d94f5bca9]::traits::backend::ExtraBackendMethods>::compile_codegen_unit
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_codegen_llvm/src/lib.rs:134:9
  41:     0x7108210547c1 - rustc_codegen_ssa[85967c5d94f5bca9]::base::codegen_crate::<rustc_codegen_llvm[ad47ec0b1bae30a6]::LlvmCodegenBackend>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_codegen_ssa/src/base.rs:778:34
  42:     0x71082104fd83 - <rustc_codegen_llvm[ad47ec0b1bae30a6]::LlvmCodegenBackend as rustc_codegen_ssa[85967c5d94f5bca9]::traits::backend::CodegenBackend>::codegen_crate
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_codegen_llvm/src/lib.rs:358:18
  43:     0x71082228f367 - rustc_interface[df967e2b539786db]::passes::start_codegen::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:930:9
  44:     0x71082228f367 - <rustc_data_structures[652bf30183ef56b3]::profiling::VerboseTimingGuard>::run::<alloc[7a6344611ae1f7a8]::boxed::Box<dyn core[bf256ce745c7f201]::any::Any>, rustc_interface[df967e2b539786db]::passes::start_codegen::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/profiling.rs:753:9
  45:     0x71082228f367 - <rustc_session[7fd02da4d67d248f]::session::Session>::time::<alloc[7a6344611ae1f7a8]::boxed::Box<dyn core[bf256ce745c7f201]::any::Any>, rustc_interface[df967e2b539786db]::passes::start_codegen::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_session/src/utils.rs:15:9
  46:     0x7108221d6d24 - rustc_interface[df967e2b539786db]::passes::start_codegen
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/passes.rs:929:19
  47:     0x71082229782b - <rustc_interface[df967e2b539786db]::queries::Queries>::codegen_and_build_linker::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:229:35
  48:     0x71082229782b - <rustc_middle[340db270b268494c]::ty::context::GlobalCtxt>::enter::<<rustc_interface[df967e2b539786db]::queries::Queries>::codegen_and_build_linker::{closure#0}, core[bf256ce745c7f201]::result::Result<rustc_interface[df967e2b539786db]::queries::Linker, rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#1}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context.rs:778:37
  49:     0x71082229782b - rustc_middle[340db270b268494c]::ty::context::tls::enter_context::<<rustc_middle[340db270b268494c]::ty::context::GlobalCtxt>::enter<<rustc_interface[df967e2b539786db]::queries::Queries>::codegen_and_build_linker::{closure#0}, core[bf256ce745c7f201]::result::Result<rustc_interface[df967e2b539786db]::queries::Linker, rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#1}, core[bf256ce745c7f201]::result::Result<rustc_interface[df967e2b539786db]::queries::Linker, rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:82:9
  50:     0x71082229782b - <std[5dd5c2799579c4c8]::thread::local::LocalKey<core[bf256ce745c7f201]::cell::Cell<*const ()>>>::try_with::<rustc_middle[340db270b268494c]::ty::context::tls::enter_context<<rustc_middle[340db270b268494c]::ty::context::GlobalCtxt>::enter<<rustc_interface[df967e2b539786db]::queries::Queries>::codegen_and_build_linker::{closure#0}, core[bf256ce745c7f201]::result::Result<rustc_interface[df967e2b539786db]::queries::Linker, rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#1}, core[bf256ce745c7f201]::result::Result<rustc_interface[df967e2b539786db]::queries::Linker, rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}, core[bf256ce745c7f201]::result::Result<rustc_interface[df967e2b539786db]::queries::Linker, rustc_span[911f79266521dd07]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:284:16
  51:     0x71082229782b - <std[5dd5c2799579c4c8]::thread::local::LocalKey<core[bf256ce745c7f201]::cell::Cell<*const ()>>>::with::<rustc_middle[340db270b268494c]::ty::context::tls::enter_context<<rustc_middle[340db270b268494c]::ty::context::GlobalCtxt>::enter<<rustc_interface[df967e2b539786db]::queries::Queries>::codegen_and_build_linker::{closure#0}, core[bf256ce745c7f201]::result::Result<rustc_interface[df967e2b539786db]::queries::Linker, rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#1}, core[bf256ce745c7f201]::result::Result<rustc_interface[df967e2b539786db]::queries::Linker, rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}, core[bf256ce745c7f201]::result::Result<rustc_interface[df967e2b539786db]::queries::Linker, rustc_span[911f79266521dd07]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:260:9
  52:     0x71082229782b - rustc_middle[340db270b268494c]::ty::context::tls::enter_context::<<rustc_middle[340db270b268494c]::ty::context::GlobalCtxt>::enter<<rustc_interface[df967e2b539786db]::queries::Queries>::codegen_and_build_linker::{closure#0}, core[bf256ce745c7f201]::result::Result<rustc_interface[df967e2b539786db]::queries::Linker, rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#1}, core[bf256ce745c7f201]::result::Result<rustc_interface[df967e2b539786db]::queries::Linker, rustc_span[911f79266521dd07]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:79:9
  53:     0x71082229782b - <rustc_middle[340db270b268494c]::ty::context::GlobalCtxt>::enter::<<rustc_interface[df967e2b539786db]::queries::Queries>::codegen_and_build_linker::{closure#0}, core[bf256ce745c7f201]::result::Result<rustc_interface[df967e2b539786db]::queries::Linker, rustc_span[911f79266521dd07]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context.rs:778:9
  54:     0x7108221ff0b0 - <rustc_interface[df967e2b539786db]::queries::QueryResult<&rustc_middle[340db270b268494c]::ty::context::GlobalCtxt>>::enter::<core[bf256ce745c7f201]::result::Result<rustc_interface[df967e2b539786db]::queries::Linker, rustc_span[911f79266521dd07]::ErrorGuaranteed>, <rustc_interface[df967e2b539786db]::queries::Queries>::codegen_and_build_linker::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:70:9
  55:     0x7108221ff0b0 - <rustc_interface[df967e2b539786db]::queries::Queries>::codegen_and_build_linker
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:218:9
  56:     0x7108215e2678 - rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}::{closure#1}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver_impl/src/lib.rs:447:26
  57:     0x7108215e2678 - <rustc_interface[df967e2b539786db]::interface::Compiler>::enter::<rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}::{closure#1}, core[bf256ce745c7f201]::result::Result<core[bf256ce745c7f201]::option::Option<rustc_interface[df967e2b539786db]::queries::Linker>, rustc_span[911f79266521dd07]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/queries.rs:309:19
  58:     0x710821598a2c - rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver_impl/src/lib.rs:389:22
  59:     0x710821598a2c - rustc_interface[df967e2b539786db]::interface::run_compiler::<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}>::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/interface.rs:457:31
  60:     0x710821598a2c - rustc_span[911f79266521dd07]::set_source_map::<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_interface[df967e2b539786db]::interface::run_compiler<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}>::{closure#0}::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_span/src/lib.rs:1298:5
  61:     0x7108215a631a - rustc_interface[df967e2b539786db]::interface::run_compiler::<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/interface.rs:443:13
  62:     0x7108215a631a - rustc_interface[df967e2b539786db]::util::run_in_thread_pool_with_globals::<rustc_interface[df967e2b539786db]::interface::run_compiler<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/util.rs:127:13
  63:     0x7108215a631a - rustc_interface[df967e2b539786db]::util::run_in_thread_with_globals::<rustc_interface[df967e2b539786db]::util::run_in_thread_pool_with_globals<rustc_interface[df967e2b539786db]::interface::run_compiler<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/util.rs:87:69
  64:     0x7108215a631a - <scoped_tls[ce67bb9be36aec5f]::ScopedKey<rustc_span[911f79266521dd07]::SessionGlobals>>::set::<rustc_interface[df967e2b539786db]::util::run_in_thread_with_globals<rustc_interface[df967e2b539786db]::util::run_in_thread_pool_with_globals<rustc_interface[df967e2b539786db]::interface::run_compiler<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}::{closure#0}::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>
                               at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/scoped-tls-1.0.1/src/lib.rs:137:9
  65:     0x7108215a631a - rustc_span[911f79266521dd07]::create_session_globals_then::<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_interface[df967e2b539786db]::util::run_in_thread_with_globals<rustc_interface[df967e2b539786db]::util::run_in_thread_pool_with_globals<rustc_interface[df967e2b539786db]::interface::run_compiler<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}::{closure#0}::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_span/src/lib.rs:136:5
  66:     0x7108215a631a - rustc_interface[df967e2b539786db]::util::run_in_thread_with_globals::<rustc_interface[df967e2b539786db]::util::run_in_thread_pool_with_globals<rustc_interface[df967e2b539786db]::interface::run_compiler<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/util.rs:87:17
  67:     0x7108215a631a - std[5dd5c2799579c4c8]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[df967e2b539786db]::util::run_in_thread_with_globals<rustc_interface[df967e2b539786db]::util::run_in_thread_pool_with_globals<rustc_interface[df967e2b539786db]::interface::run_compiler<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:155:18
  68:     0x710821578646 - <std[5dd5c2799579c4c8]::thread::Builder>::spawn_unchecked_::<rustc_interface[df967e2b539786db]::util::run_in_thread_with_globals<rustc_interface[df967e2b539786db]::util::run_in_thread_pool_with_globals<rustc_interface[df967e2b539786db]::interface::run_compiler<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#1}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:523:17
  69:     0x710821578646 - <core[bf256ce745c7f201]::panic::unwind_safe::AssertUnwindSafe<<std[5dd5c2799579c4c8]::thread::Builder>::spawn_unchecked_<rustc_interface[df967e2b539786db]::util::run_in_thread_with_globals<rustc_interface[df967e2b539786db]::util::run_in_thread_pool_with_globals<rustc_interface[df967e2b539786db]::interface::run_compiler<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#1}::{closure#0}> as core[bf256ce745c7f201]::ops::function::FnOnce<()>>::call_once
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panic/unwind_safe.rs:272:9
  70:     0x710821578646 - std[5dd5c2799579c4c8]::panicking::try::do_call::<core[bf256ce745c7f201]::panic::unwind_safe::AssertUnwindSafe<<std[5dd5c2799579c4c8]::thread::Builder>::spawn_unchecked_<rustc_interface[df967e2b539786db]::util::run_in_thread_with_globals<rustc_interface[df967e2b539786db]::util::run_in_thread_pool_with_globals<rustc_interface[df967e2b539786db]::interface::run_compiler<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:552:40
  71:     0x710821578646 - std[5dd5c2799579c4c8]::panicking::try::<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, core[bf256ce745c7f201]::panic::unwind_safe::AssertUnwindSafe<<std[5dd5c2799579c4c8]::thread::Builder>::spawn_unchecked_<rustc_interface[df967e2b539786db]::util::run_in_thread_with_globals<rustc_interface[df967e2b539786db]::util::run_in_thread_pool_with_globals<rustc_interface[df967e2b539786db]::interface::run_compiler<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#1}::{closure#0}>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:516:19
  72:     0x710821578646 - std[5dd5c2799579c4c8]::panic::catch_unwind::<core[bf256ce745c7f201]::panic::unwind_safe::AssertUnwindSafe<<std[5dd5c2799579c4c8]::thread::Builder>::spawn_unchecked_<rustc_interface[df967e2b539786db]::util::run_in_thread_with_globals<rustc_interface[df967e2b539786db]::util::run_in_thread_pool_with_globals<rustc_interface[df967e2b539786db]::interface::run_compiler<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panic.rs:149:14
  73:     0x710821578646 - <std[5dd5c2799579c4c8]::thread::Builder>::spawn_unchecked_::<rustc_interface[df967e2b539786db]::util::run_in_thread_with_globals<rustc_interface[df967e2b539786db]::util::run_in_thread_pool_with_globals<rustc_interface[df967e2b539786db]::interface::run_compiler<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#1}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:522:30
  74:     0x710821578646 - <<std[5dd5c2799579c4c8]::thread::Builder>::spawn_unchecked_<rustc_interface[df967e2b539786db]::util::run_in_thread_with_globals<rustc_interface[df967e2b539786db]::util::run_in_thread_pool_with_globals<rustc_interface[df967e2b539786db]::interface::run_compiler<core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>, rustc_driver_impl[3245b2fc008c51d3]::run_compiler::{closure#0}>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[bf256ce745c7f201]::result::Result<(), rustc_span[911f79266521dd07]::ErrorGuaranteed>>::{closure#1} as core[bf256ce745c7f201]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:250:5
  75:     0x71081e962cfc - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h8359d578612435ff
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:2018:9
  76:     0x71081e962cfc - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3bef1189ba9d16a8
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:2018:9
  77:     0x71081e92dd1b - std::sys::pal::unix::thread::Thread::new::thread_start::hff4d30634718def3
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys/pal/unix/thread.rs:108:17
  78:     0x71081e6e655a - <unknown>
  79:     0x71081e763a3c - <unknown>
  80:                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 1.79.0-dev running on x86_64-unknown-linux-gnu

note: compiler flags: -Z sanitizer=kcfi -C panic=abort -Z dump-mir-dir=dir

query stack during panic:
end of query stack
error: aborting due to 1 previous error