[ICE] Couldn't translate Aggregate { sized: true } as backend immediate

[spcan]

Code

Code is too big, and the error too unspecific to upload to an issue, if necesary it could be uploaded to Github.

Meta

rustc --version --verbose:

rustc 1.70.0-nightly (2036fdd24 2023-03-27)
binary: rustc
commit-hash: 2036fdd24f77d607dcfaa24c48fbe85d3f785823
commit-date: 2023-03-27
host: x86_64-unknown-linux-gnu
release: 1.70.0-nightly
LLVM version: 16.0.0

Error output

[<output>](error: internal compiler error: /rustc/2eaeb1eee1b21772de8b935236d16ff8e03fdcf5/compiler/rustc_codegen_ssa/src/mir/rvalue.rs:892:22: Couldn't translate Aggregate { sized: true } as backend immediate)

Backtrace

thread 'rustc' panicked at 'Box<dyn Any>', /rustc/2eaeb1eee1b21772de8b935236d16ff8e03fdcf5/compiler/rustc_errors/src/lib.rs:1644:9
stack backtrace:
   0:     0x7f1cea42bf8a - std::backtrace_rs::backtrace::libunwind::trace::h543e5a71eb1b5eeb
                               at /rustc/2eaeb1eee1b21772de8b935236d16ff8e03fdcf5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f1cea42bf8a - std::backtrace_rs::backtrace::trace_unsynchronized::h8798c87c5fd54c42
                               at /rustc/2eaeb1eee1b21772de8b935236d16ff8e03fdcf5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f1cea42bf8a - std::sys_common::backtrace::_print_fmt::h982e629a02833f3b
                               at /rustc/2eaeb1eee1b21772de8b935236d16ff8e03fdcf5/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7f1cea42bf8a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd16097abfc45a49a
                               at /rustc/2eaeb1eee1b21772de8b935236d16ff8e03fdcf5/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f1cea49004f - core::fmt::write::haccd80b41eab472e
                               at /rustc/2eaeb1eee1b21772de8b935236d16ff8e03fdcf5/library/core/src/fmt/mod.rs:1254:17
   5:     0x7f1cea41ebc5 - std::io::Write::write_fmt::h578b3def4330fd2b
                               at /rustc/2eaeb1eee1b21772de8b935236d16ff8e03fdcf5/library/std/src/io/mod.rs:1698:15
   6:     0x7f1cea42bd55 - std::sys_common::backtrace::_print::he237786f41276d1a
                               at /rustc/2eaeb1eee1b21772de8b935236d16ff8e03fdcf5/library/std/src/sys_common/backtrace.rs:47:5
   7:     0x7f1cea42bd55 - std::sys_common::backtrace::print::h504fa2bef175cc1e
                               at /rustc/2eaeb1eee1b21772de8b935236d16ff8e03fdcf5/library/std/src/sys_common/backtrace.rs:34:9
   8:     0x7f1cea42e9fe - std::panicking::default_hook::{{closure}}::hac9a65d5f66db25e
                               at /rustc/2eaeb1eee1b21772de8b935236d16ff8e03fdcf5/library/std/src/panicking.rs:269:22
   9:     0x7f1cea42e7a5 - std::panicking::default_hook::h4e334937c58bdca9
                               at /rustc/2eaeb1eee1b21772de8b935236d16ff8e03fdcf5/library/std/src/panicking.rs:288:9
  10:     0x7f1ced739635 - rustc_driver_impl[bd452c501c51eef0]::DEFAULT_HOOK::{closure#0}::{closure#0}
  11:     0x7f1cea42f1f4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h2c058cd2c0afd653
                               at /rustc/2eaeb1eee1b21772de8b935236d16ff8e03fdcf5/library/alloc/src/boxed.rs:1990:9
  12:     0x7f1cea42f1f4 - std::panicking::rust_panic_with_hook::h1fcbef96fdc6ec0c
                               at /rustc/2eaeb1eee1b21772de8b935236d16ff8e03fdcf5/library/std/src/panicking.rs:694:13
  13:     0x7f1cedc8bef1 - std[1137eeb067dcff5d]::panicking::begin_panic::<rustc_errors[b273ccddd230f82e]::ExplicitBug>::{closure#0}
  14:     0x7f1cedc87e06 - std[1137eeb067dcff5d]::sys_common::backtrace::__rust_end_short_backtrace::<std[1137eeb067dcff5d]::panicking::begin_panic<rustc_errors[b273ccddd230f82e]::ExplicitBug>::{closure#0}, !>
  15:     0x7f1cedc87d96 - std[1137eeb067dcff5d]::panicking::begin_panic::<rustc_errors[b273ccddd230f82e]::ExplicitBug>
  16:     0x7f1cedcdc876 - <rustc_errors[b273ccddd230f82e]::HandlerInner>::bug::<&alloc[facd9c3565c23052]::string::String>
  17:     0x7f1cedcdc540 - <rustc_errors[b273ccddd230f82e]::Handler>::bug::<&alloc[facd9c3565c23052]::string::String>
  18:     0x7f1cedcd5eab - rustc_middle[b98cfd31c7bf31fd]::util::bug::opt_span_bug_fmt::<rustc_span[b847b06bcddf9aef]::span_encoding::Span>::{closure#0}
  19:     0x7f1cedcd5a3a - rustc_middle[b98cfd31c7bf31fd]::ty::context::tls::with_opt::<rustc_middle[b98cfd31c7bf31fd]::util::bug::opt_span_bug_fmt<rustc_span[b847b06bcddf9aef]::span_encoding::Span>::{closure#0}, !>::{closure#0}
  20:     0x7f1cedcd5a06 - rustc_middle[b98cfd31c7bf31fd]::ty::context::tls::with_context_opt::<rustc_middle[b98cfd31c7bf31fd]::ty::context::tls::with_opt<rustc_middle[b98cfd31c7bf31fd]::util::bug::opt_span_bug_fmt<rustc_span[b847b06bcddf9aef]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
  21:     0x7f1cedcd5df6 - rustc_middle[b98cfd31c7bf31fd]::util::bug::opt_span_bug_fmt::<rustc_span[b847b06bcddf9aef]::span_encoding::Span>
  22:     0x7f1ceb971033 - rustc_middle[b98cfd31c7bf31fd]::util::bug::bug_fmt
  23:     0x7f1cebf4debd - rustc_codegen_ssa[908d924d1a0e06ad]::mir::analyze::non_ssa_locals::<rustc_codegen_llvm[b01ba7ae6a55fff3]::builder::Builder>
  24:     0x7f1cebf1e967 - rustc_codegen_ssa[908d924d1a0e06ad]::mir::codegen_mir::<rustc_codegen_llvm[b01ba7ae6a55fff3]::builder::Builder>
  25:     0x7f1cecc858ee - rustc_codegen_llvm[b01ba7ae6a55fff3]::base::compile_codegen_unit::module_codegen
  26:     0x7f1cecc84ba6 - rustc_codegen_llvm[b01ba7ae6a55fff3]::base::compile_codegen_unit
  27:     0x7f1cecce2954 - rustc_codegen_ssa[908d924d1a0e06ad]::base::codegen_crate::<rustc_codegen_llvm[b01ba7ae6a55fff3]::LlvmCodegenBackend>
  28:     0x7f1cecce226a - <rustc_codegen_llvm[b01ba7ae6a55fff3]::LlvmCodegenBackend as rustc_codegen_ssa[908d924d1a0e06ad]::traits::backend::CodegenBackend>::codegen_crate
  29:     0x7f1cec98d202 - <rustc_session[8a142d07c6ec552f]::session::Session>::time::<alloc[facd9c3565c23052]::boxed::Box<dyn core[d2a11d220902df1]::any::Any>, rustc_interface[c7956fe9641ea70c]::passes::start_codegen::{closure#0}>
  30:     0x7f1cec98cccd - rustc_interface[c7956fe9641ea70c]::passes::start_codegen
  31:     0x7f1cec987c54 - <rustc_middle[b98cfd31c7bf31fd]::ty::context::GlobalCtxt>::enter::<<rustc_interface[c7956fe9641ea70c]::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}, core[d2a11d220902df1]::result::Result<alloc[facd9c3565c23052]::boxed::Box<dyn core[d2a11d220902df1]::any::Any>, rustc_span[b847b06bcddf9aef]::ErrorGuaranteed>>
  32:     0x7f1cec986028 - <rustc_interface[c7956fe9641ea70c]::queries::Queries>::ongoing_codegen
  33:     0x7f1cec985834 - <rustc_interface[c7956fe9641ea70c]::interface::Compiler>::enter::<rustc_driver_impl[bd452c501c51eef0]::run_compiler::{closure#1}::{closure#2}, core[d2a11d220902df1]::result::Result<core[d2a11d220902df1]::option::Option<rustc_interface[c7956fe9641ea70c]::queries::Linker>, rustc_span[b847b06bcddf9aef]::ErrorGuaranteed>>
  34:     0x7f1cec980ae1 - rustc_span[b847b06bcddf9aef]::set_source_map::<core[d2a11d220902df1]::result::Result<(), rustc_span[b847b06bcddf9aef]::ErrorGuaranteed>, rustc_interface[c7956fe9641ea70c]::interface::run_compiler<core[d2a11d220902df1]::result::Result<(), rustc_span[b847b06bcddf9aef]::ErrorGuaranteed>, rustc_driver_impl[bd452c501c51eef0]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
  35:     0x7f1cec98008f - std[1137eeb067dcff5d]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[c7956fe9641ea70c]::util::run_in_thread_pool_with_globals<rustc_interface[c7956fe9641ea70c]::interface::run_compiler<core[d2a11d220902df1]::result::Result<(), rustc_span[b847b06bcddf9aef]::ErrorGuaranteed>, rustc_driver_impl[bd452c501c51eef0]::run_compiler::{closure#1}>::{closure#0}, core[d2a11d220902df1]::result::Result<(), rustc_span[b847b06bcddf9aef]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[d2a11d220902df1]::result::Result<(), rustc_span[b847b06bcddf9aef]::ErrorGuaranteed>>
  36:     0x7f1cecfed8b1 - <<std[1137eeb067dcff5d]::thread::Builder>::spawn_unchecked_<rustc_interface[c7956fe9641ea70c]::util::run_in_thread_pool_with_globals<rustc_interface[c7956fe9641ea70c]::interface::run_compiler<core[d2a11d220902df1]::result::Result<(), rustc_span[b847b06bcddf9aef]::ErrorGuaranteed>, rustc_driver_impl[bd452c501c51eef0]::run_compiler::{closure#1}>::{closure#0}, core[d2a11d220902df1]::result::Result<(), rustc_span[b847b06bcddf9aef]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[d2a11d220902df1]::result::Result<(), rustc_span[b847b06bcddf9aef]::ErrorGuaranteed>>::{closure#1} as core[d2a11d220902df1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  37:     0x7f1cea4392d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hcb3c543eabd3883a
                               at /rustc/2eaeb1eee1b21772de8b935236d16ff8e03fdcf5/library/alloc/src/boxed.rs:1976:9
  38:     0x7f1cea4392d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4c6155c5f5f14f7d
                               at /rustc/2eaeb1eee1b21772de8b935236d16ff8e03fdcf5/library/alloc/src/boxed.rs:1976:9
  39:     0x7f1cea4392d5 - std::sys::unix::thread::Thread::new::thread_start::he5347f8288d9936e
                               at /rustc/2eaeb1eee1b21772de8b935236d16ff8e03fdcf5/library/std/src/sys/unix/thread.rs:108:17
  40:     0x7f1cea2f5609 - start_thread
                               at /build/glibc-SzIz7B/glibc-2.31/nptl/pthread_create.c:477:8
  41:     0x7f1cea218133 - clone
                               at /build/glibc-SzIz7B/glibc-2.31/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  42:                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 1.70.0-nightly (2eaeb1eee 2023-04-05) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type bin -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 -C link-arg=--nmagic -C link-arg=-Tlink.x -C link-arg=-Tlink-rp.x -C link-arg=-Tdefmt.x

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

query stack during panic:
end of query stack

[spcan]

Relevant information: compiling for an embedded target (RP2040) with the following features enabled.

#![no_std]
#![no_main]


#![feature(const_cmp)]
#![feature(const_for)]
#![feature(const_try)]
#![feature(const_convert)]
#![feature(const_mut_refs)]
#![feature(const_trait_impl)]
#![feature(type_alias_impl_trait)]
#![feature(const_intoiterator_identity)]

[compiler-errors]

This is a duplicate of #109992

[scottmcm]

This is caused by a ZST-to-ZST transmute that the MIR optimization don't remove. Fix is up in #110021.

[jyn514]

Closing as a duplicate of #109992.