thread 'rustc' panicked at 'called `Result::unwrap()` on an `Err` value: InterpErrorInfo(InterpErrorInfoInner { kind: enum value has invalid tag: 0x02, backtrace: None })', compiler/rustc_const_eval/src/const_eval/mod.rs:155:54 stack backtrace: 0: 0x7f86a79f9ebc - std::backtrace_rs::backtrace::libunwind::trace::h60472dd5ee9dd225 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 1: 0x7f86a79f9ebc - std::backtrace_rs::backtrace::trace_unsynchronized::he4ac0301f3080e76 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 2: 0x7f86a79f9ebc - std::sys_common::backtrace::_print_fmt::h1398c1d985ced523 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/std/src/sys_common/backtrace.rs:66:5 3: 0x7f86a79f9ebc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h00ca55b8ac8a62a1 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/std/src/sys_common/backtrace.rs:45:22 4: 0x7f86a7a5b2dc - core::fmt::write::h85dce8ff0150bc19 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/core/src/fmt/mod.rs:1190:17 5: 0x7f86a79e9483 - std::io::Write::write_fmt::hbd12fe6a1a094ebf at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/std/src/io/mod.rs:1653:15 6: 0x7f86a79fe181 - std::sys_common::backtrace::_print::h40c8d66f0eb6b278 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/std/src/sys_common/backtrace.rs:48:5 7: 0x7f86a79fe181 - std::sys_common::backtrace::print::h1bf177868975e2cb at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/std/src/sys_common/backtrace.rs:35:9 8: 0x7f86a79fe181 - std::panicking::default_hook::{{closure}}::hc5d0facd08e7283d at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/std/src/panicking.rs:295:22 9: 0x7f86a79fde3f - std::panicking::default_hook::hab3e1d9294fce4a2 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/std/src/panicking.rs:314:9 10: 0x7f86a81db321 - rustc_driver[cc5d0d7323b4ba94]::DEFAULT_HOOK::{closure#0}::{closure#0} 11: 0x7f86a79fea5b - std::panicking::rust_panic_with_hook::h4f1584cdf414bef4 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/std/src/panicking.rs:702:17 12: 0x7f86a79fe717 - std::panicking::begin_panic_handler::{{closure}}::hf8a489d32bbc2c2c at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/std/src/panicking.rs:588:13 13: 0x7f86a79fa364 - std::sys_common::backtrace::__rust_end_short_backtrace::hf832a13e7e21db56 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/std/src/sys_common/backtrace.rs:138:18 14: 0x7f86a79fe429 - rust_begin_unwind at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/std/src/panicking.rs:584:5 15: 0x7f86a79c5993 - core::panicking::panic_fmt::hbf161452a7c9acb2 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/core/src/panicking.rs:135:14 16: 0x7f86a79c5a83 - core::result::unwrap_failed::h64cbeef77ebf6b11 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/core/src/result.rs:1737:5 17: 0x7f86aa4985cf - rustc_const_eval[1b8eadeed9db6969]::const_eval::destructure_const 18: 0x7f86aa484019 - <rustc_const_eval[1b8eadeed9db6969]::provide::{closure#0} as core[b0d7404293a3fd87]::ops::function::FnOnce<(rustc_middle[45c88b609e8f8e33]::ty::context::TyCtxt, rustc_middle[45c88b609e8f8e33]::ty::ParamEnvAnd<&rustc_middle[45c88b609e8f8e33]::ty::consts::Const>)>>::call_once 19: 0x7f86aa53b79e - rustc_query_system[3d8b70cec00fd81b]::query::plumbing::get_query::<rustc_query_impl[91764b70dfd0fcf4]::queries::destructure_const, rustc_query_impl[91764b70dfd0fcf4]::plumbing::QueryCtxt> 20: 0x7f86aa569d6a - <rustc_query_impl[91764b70dfd0fcf4]::Queries as rustc_middle[45c88b609e8f8e33]::ty::query::QueryEngine>::destructure_const 21: 0x7f86a911a6ae - <rustc_middle[45c88b609e8f8e33]::ty::print::pretty::FmtPrinter<&mut core[b0d7404293a3fd87]::fmt::Formatter> as rustc_middle[45c88b609e8f8e33]::ty::print::pretty::PrettyPrinter>::pretty_print_const_value 22: 0x7f86a9119203 - <rustc_middle[45c88b609e8f8e33]::ty::print::pretty::FmtPrinter<&mut core[b0d7404293a3fd87]::fmt::Formatter> as rustc_middle[45c88b609e8f8e33]::ty::print::pretty::PrettyPrinter>::pretty_print_const 23: 0x7f86a9134c4e - rustc_middle[45c88b609e8f8e33]::mir::pretty_print_const 24: 0x7f86a7a5b2dc - core::fmt::write::h85dce8ff0150bc19 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/core/src/fmt/mod.rs:1190:17 25: 0x7f86a7a5c204 - core::fmt::Formatter::write_fmt::h62886f51e364a7fc at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/core/src/fmt/mod.rs:1644:9 26: 0x7f86a9134a11 - <rustc_middle[45c88b609e8f8e33]::mir::Constant as core[b0d7404293a3fd87]::fmt::Debug>::fmt 27: 0x7f86a7a5b2dc - core::fmt::write::h85dce8ff0150bc19 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/core/src/fmt/mod.rs:1190:17 28: 0x7f86a7a5c204 - core::fmt::Formatter::write_fmt::h62886f51e364a7fc at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/core/src/fmt/mod.rs:1644:9 29: 0x7f86a9133b6b - <rustc_middle[45c88b609e8f8e33]::mir::Operand as core[b0d7404293a3fd87]::fmt::Debug>::fmt 30: 0x7f86a7a5b2dc - core::fmt::write::h85dce8ff0150bc19 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/core/src/fmt/mod.rs:1190:17 31: 0x7f86a7a5c204 - core::fmt::Formatter::write_fmt::h62886f51e364a7fc at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/core/src/fmt/mod.rs:1644:9 32: 0x7f86a9134339 - <rustc_middle[45c88b609e8f8e33]::mir::Rvalue as core[b0d7404293a3fd87]::fmt::Debug>::fmt 33: 0x7f86a7a5b2dc - core::fmt::write::h85dce8ff0150bc19 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/core/src/fmt/mod.rs:1190:17 34: 0x7f86a7a5c204 - core::fmt::Formatter::write_fmt::h62886f51e364a7fc at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/core/src/fmt/mod.rs:1644:9 35: 0x7f86a91332ae - <rustc_middle[45c88b609e8f8e33]::mir::Statement as core[b0d7404293a3fd87]::fmt::Debug>::fmt 36: 0x7f86a7a5b257 - core::fmt::run::h9653f5dd76333b06 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/core/src/fmt/mod.rs:1238:5 37: 0x7f86a7a5b257 - core::fmt::write::h85dce8ff0150bc19 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/core/src/fmt/mod.rs:1206:26 38: 0x7f86a7a4e9aa - core::fmt::Write::write_fmt::h63f6e41b1530b23b at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/core/src/fmt/mod.rs:186:9 39: 0x7f86a7a4e9aa - alloc::fmt::format::hcd5d39968de00b37 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/alloc/src/fmt.rs:597:5 40: 0x7f86a840c4de - rustc_middle[45c88b609e8f8e33]::mir::pretty::write_mir_fn::<rustc_mir_transform[803bc2b6f12831cd]::mir_const::{closure#0}> 41: 0x7f86a840a12c - rustc_middle[45c88b609e8f8e33]::mir::pretty::dump_matched_mir_node::<rustc_mir_transform[803bc2b6f12831cd]::pass_manager::dump_mir::{closure#0}> 42: 0x7f86a9528806 - rustc_mir_transform[803bc2b6f12831cd]::pass_manager::run_passes 43: 0x7f86a94e3811 - rustc_mir_transform[803bc2b6f12831cd]::optimized_mir 44: 0x7f86a9ab6872 - rustc_query_system[3d8b70cec00fd81b]::query::plumbing::try_execute_query::<rustc_query_impl[91764b70dfd0fcf4]::plumbing::QueryCtxt, rustc_query_system[3d8b70cec00fd81b]::query::caches::DefaultCache<rustc_span[b5bdd5e1a52b7dc2]::def_id::DefId, &rustc_middle[45c88b609e8f8e33]::mir::Body>> 45: 0x7f86a9b02097 - <rustc_query_impl[91764b70dfd0fcf4]::Queries as rustc_middle[45c88b609e8f8e33]::ty::query::QueryEngine>::optimized_mir 46: 0x7f86a9f2ba36 - <rustc_middle[45c88b609e8f8e33]::ty::context::TyCtxt>::instance_mir 47: 0x7f86a91a1ca1 - rustc_middle[45c88b609e8f8e33]::mir::pretty::write_mir_pretty 48: 0x7f86a83ef945 - rustc_mir_transform[803bc2b6f12831cd]::dump_mir::emit_mir 49: 0x7f86aa074de4 - <rustc_interface[89f48262e5023f53]::passes::QueryContext>::enter::<<rustc_interface[89f48262e5023f53]::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}, core[b0d7404293a3fd87]::result::Result<alloc[132f7870440f24d0]::boxed::Box<dyn core[b0d7404293a3fd87]::any::Any>, rustc_errors[df71701b1e438db7]::ErrorReported>> 50: 0x7f86aa06a6bf - <rustc_interface[89f48262e5023f53]::queries::Queries>::ongoing_codegen 51: 0x7f86aa04a26d - <rustc_interface[89f48262e5023f53]::interface::Compiler>::enter::<rustc_driver[cc5d0d7323b4ba94]::run_compiler::{closure#1}::{closure#2}, core[b0d7404293a3fd87]::result::Result<core[b0d7404293a3fd87]::option::Option<rustc_interface[89f48262e5023f53]::queries::Linker>, rustc_errors[df71701b1e438db7]::ErrorReported>> 52: 0x7f86aa04d296 - rustc_span[b5bdd5e1a52b7dc2]::with_source_map::<core[b0d7404293a3fd87]::result::Result<(), rustc_errors[df71701b1e438db7]::ErrorReported>, rustc_interface[89f48262e5023f53]::interface::create_compiler_and_run<core[b0d7404293a3fd87]::result::Result<(), rustc_errors[df71701b1e438db7]::ErrorReported>, rustc_driver[cc5d0d7323b4ba94]::run_compiler::{closure#1}>::{closure#1}> 53: 0x7f86aa049c1e - rustc_interface[89f48262e5023f53]::interface::create_compiler_and_run::<core[b0d7404293a3fd87]::result::Result<(), rustc_errors[df71701b1e438db7]::ErrorReported>, rustc_driver[cc5d0d7323b4ba94]::run_compiler::{closure#1}> 54: 0x7f86aa02fd02 - std[e67c2dc5e94f3edb]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[89f48262e5023f53]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[89f48262e5023f53]::interface::run_compiler<core[b0d7404293a3fd87]::result::Result<(), rustc_errors[df71701b1e438db7]::ErrorReported>, rustc_driver[cc5d0d7323b4ba94]::run_compiler::{closure#1}>::{closure#0}, core[b0d7404293a3fd87]::result::Result<(), rustc_errors[df71701b1e438db7]::ErrorReported>>::{closure#0}, core[b0d7404293a3fd87]::result::Result<(), rustc_errors[df71701b1e438db7]::ErrorReported>> 55: 0x7f86aa02d419 - <<std[e67c2dc5e94f3edb]::thread::Builder>::spawn_unchecked_<rustc_interface[89f48262e5023f53]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[89f48262e5023f53]::interface::run_compiler<core[b0d7404293a3fd87]::result::Result<(), rustc_errors[df71701b1e438db7]::ErrorReported>, rustc_driver[cc5d0d7323b4ba94]::run_compiler::{closure#1}>::{closure#0}, core[b0d7404293a3fd87]::result::Result<(), rustc_errors[df71701b1e438db7]::ErrorReported>>::{closure#0}, core[b0d7404293a3fd87]::result::Result<(), rustc_errors[df71701b1e438db7]::ErrorReported>>::{closure#1} as core[b0d7404293a3fd87]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} 56: 0x7f86a7a0a803 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hcb607540dc5215cf at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/alloc/src/boxed.rs:1854:9 57: 0x7f86a7a0a803 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbe50481c34124364 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/alloc/src/boxed.rs:1854:9 58: 0x7f86a7a0a803 - std::sys::unix::thread::Thread::new::thread_start::hdee11c2200bcb8c0 at /rustc/71226d717a1fb57122e47e63b97295e703319cb0/library/std/src/sys/unix/thread.rs:108:17 59: 0x7f86a790f259 - start_thread 60: 0x7f86a782b5e3 - __GI___clone 61: 0x0 - <unknown> error: internal compiler error: unexpected panic 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 1.60.0-nightly (71226d717 2022-02-04) running on x86_64-unknown-linux-gnu note: compiler flags: -Z mir-opt-level=3 -Z dump-mir=all query stack during panic: #0 [destructure_const] destructure constant #1 [optimized_mir] optimizing MIR for `bar` end of query stack