Closed
Description
code from glacier fixed/99575.rs
use std::pin::Pin;
fn main() {
let a = Enum::A(Pin::new(Box::new(A())));
let b = Enum::B(Pin::new(Box::new(B())));
println!("{:?} {:?}", a, b);
}
#[derive(Debug)]
enum Enum {
A(Pin<Box<A>>),
B(Pin<Box<B>>),
}
#[derive(Debug)]
struct A();
impl Drop for Pin<Box<A>> {
fn drop(&mut self) {}
}
#[derive(Debug)]
struct B();
// UNCOMMENT TO FIX COMPILER ERROR
// impl Drop for Pin<Box<B>> {
// fn drop(&mut self) {}
// }
cargo miri run
Preparing a sysroot for Miri (target: x86_64-unknown-linux-gnu)... done
WARNING: Ignoring `RUSTC_WRAPPER` environment variable, Miri does not support wrapping.
Compiling M v0.1.0 (/tmp/M)
Finished dev [unoptimized + debuginfo] target(s) in 0.29s
Running `/home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/cargo-miri runner target/miri/x86_64-unknown-linux-gnu/debug/M`
warning: crate `M` should have a snake case name
|
= note: `#[warn(non_snake_case)]` on by default
= help: convert the identifier to snake case: `m`
A(A) B(B)
error: internal compiler error: src/tools/miri/src/diagnostics.rs:227:21: This error should be impossible in Miri: encountered overly generic constant
thread 'rustc' panicked at 'Box<dyn Any>', /rustc/0b79f758c9aa6646606662a6d623a0752286cd17/compiler/rustc_errors/src/lib.rs:1393:9
stack backtrace:
0: 0x7fe9613306d0 - std::backtrace_rs::backtrace::libunwind::trace::hdc27bfa6aa97f84d
at /rustc/0b79f758c9aa6646606662a6d623a0752286cd17/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
1: 0x7fe9613306d0 - std::backtrace_rs::backtrace::trace_unsynchronized::hd260a87da0307fa5
at /rustc/0b79f758c9aa6646606662a6d623a0752286cd17/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7fe9613306d0 - std::sys_common::backtrace::_print_fmt::h789cb96c4a337f2c
at /rustc/0b79f758c9aa6646606662a6d623a0752286cd17/library/std/src/sys_common/backtrace.rs:66:5
3: 0x7fe9613306d0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h36bc3de3612a60f5
at /rustc/0b79f758c9aa6646606662a6d623a0752286cd17/library/std/src/sys_common/backtrace.rs:45:22
4: 0x7fe96138b76e - core::fmt::write::h2db4bfe92ef037b0
at /rustc/0b79f758c9aa6646606662a6d623a0752286cd17/library/core/src/fmt/mod.rs:1202:17
5: 0x7fe9613214d5 - std::io::Write::write_fmt::hcd345fc714a96537
at /rustc/0b79f758c9aa6646606662a6d623a0752286cd17/library/std/src/io/mod.rs:1672:15
6: 0x7fe961333393 - std::sys_common::backtrace::_print::hcf53c28899e66110
at /rustc/0b79f758c9aa6646606662a6d623a0752286cd17/library/std/src/sys_common/backtrace.rs:48:5
7: 0x7fe961333393 - std::sys_common::backtrace::print::hd8ec3e1ae139ef7a
at /rustc/0b79f758c9aa6646606662a6d623a0752286cd17/library/std/src/sys_common/backtrace.rs:35:9
8: 0x7fe961333393 - std::panicking::default_hook::{{closure}}::he70b99e2f9e5bd44
at /rustc/0b79f758c9aa6646606662a6d623a0752286cd17/library/std/src/panicking.rs:295:22
9: 0x7fe96133307f - std::panicking::default_hook::h8d91a23b91011754
at /rustc/0b79f758c9aa6646606662a6d623a0752286cd17/library/std/src/panicking.rs:314:9
10: 0x7fe963b72644 - <rustc_driver[d9adb13473fd7853]::DEFAULT_HOOK::{closure#0}::{closure#0} as core[97bb3a13db18d0cb]::ops::function::FnOnce<(&core[97bb3a13db18d0cb]::panic::panic_info::PanicInfo,)>>::call_once::{shim:vtable#0}
11: 0x7fe961333bcd - std::panicking::rust_panic_with_hook::h5af783bc1124b2c1
at /rustc/0b79f758c9aa6646606662a6d623a0752286cd17/library/std/src/panicking.rs:702:17
12: 0x7fe964b103c1 - std[e5af5fec29962f4a]::panicking::begin_panic::<rustc_errors[713e2db940a8ff0d]::ExplicitBug>::{closure#0}
13: 0x7fe964b0fbc6 - std[e5af5fec29962f4a]::sys_common::backtrace::__rust_end_short_backtrace::<std[e5af5fec29962f4a]::panicking::begin_panic<rustc_errors[713e2db940a8ff0d]::ExplicitBug>::{closure#0}, !>
14: 0x7fe964af0f46 - std[e5af5fec29962f4a]::panicking::begin_panic::<rustc_errors[713e2db940a8ff0d]::ExplicitBug>
15: 0x7fe964b359a6 - std[e5af5fec29962f4a]::panic::panic_any::<rustc_errors[713e2db940a8ff0d]::ExplicitBug>
16: 0x7fe964b34f0d - <rustc_errors[713e2db940a8ff0d]::HandlerInner>::bug::<&alloc[d0a20223ecbdb9c4]::string::String>
17: 0x7fe964b34c60 - <rustc_errors[713e2db940a8ff0d]::Handler>::bug::<&alloc[d0a20223ecbdb9c4]::string::String>
18: 0x7fe964b5d23d - rustc_middle[151dce3d5e114089]::ty::context::tls::with_context_opt::<rustc_middle[151dce3d5e114089]::ty::context::tls::with_opt<rustc_middle[151dce3d5e114089]::util::bug::opt_span_bug_fmt<rustc_span[8d4f92e92ba5c24b]::span_encoding::Span>::{closure#0}, ()>::{closure#0}, ()>
19: 0x7fe964b5f0a6 - rustc_middle[151dce3d5e114089]::util::bug::opt_span_bug_fmt::<rustc_span[8d4f92e92ba5c24b]::span_encoding::Span>
20: 0x7fe9624fb803 - rustc_middle[151dce3d5e114089]::util::bug::bug_fmt
21: 0x5573c6aca02e - miri[dae667ef59e4b333]::diagnostics::report_error
22: 0x5573c6badeb6 - miri[dae667ef59e4b333]::eval::eval_entry
23: 0x5573c6a34733 - <rustc_interface[67a969eeca26ae2c]::passes::QueryContext>::enter::<<miri[aab31a201f2846f7]::MiriCompilerCalls as rustc_driver[d9adb13473fd7853]::Callbacks>::after_analysis::{closure#0}, ()>
24: 0x5573c6a3919f - <miri[aab31a201f2846f7]::MiriCompilerCalls as rustc_driver[d9adb13473fd7853]::Callbacks>::after_analysis
25: 0x7fe9633496eb - <rustc_interface[67a969eeca26ae2c]::interface::Compiler>::enter::<rustc_driver[d9adb13473fd7853]::run_compiler::{closure#1}::{closure#2}, core[97bb3a13db18d0cb]::result::Result<core[97bb3a13db18d0cb]::option::Option<rustc_interface[67a969eeca26ae2c]::queries::Linker>, rustc_errors[713e2db940a8ff0d]::ErrorGuaranteed>>
26: 0x7fe9633451bc - rustc_span[8d4f92e92ba5c24b]::with_source_map::<core[97bb3a13db18d0cb]::result::Result<(), rustc_errors[713e2db940a8ff0d]::ErrorGuaranteed>, rustc_interface[67a969eeca26ae2c]::interface::create_compiler_and_run<core[97bb3a13db18d0cb]::result::Result<(), rustc_errors[713e2db940a8ff0d]::ErrorGuaranteed>, rustc_driver[d9adb13473fd7853]::run_compiler::{closure#1}>::{closure#1}>
27: 0x7fe963344ba2 - rustc_interface[67a969eeca26ae2c]::interface::create_compiler_and_run::<core[97bb3a13db18d0cb]::result::Result<(), rustc_errors[713e2db940a8ff0d]::ErrorGuaranteed>, rustc_driver[d9adb13473fd7853]::run_compiler::{closure#1}>
28: 0x7fe963343741 - <scoped_tls[e4311800d1c0ff57]::ScopedKey<rustc_span[8d4f92e92ba5c24b]::SessionGlobals>>::set::<rustc_interface[67a969eeca26ae2c]::interface::run_compiler<core[97bb3a13db18d0cb]::result::Result<(), rustc_errors[713e2db940a8ff0d]::ErrorGuaranteed>, rustc_driver[d9adb13473fd7853]::run_compiler::{closure#1}>::{closure#0}, core[97bb3a13db18d0cb]::result::Result<(), rustc_errors[713e2db940a8ff0d]::ErrorGuaranteed>>
29: 0x7fe96334342f - std[e5af5fec29962f4a]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[67a969eeca26ae2c]::util::run_in_thread_pool_with_globals<rustc_interface[67a969eeca26ae2c]::interface::run_compiler<core[97bb3a13db18d0cb]::result::Result<(), rustc_errors[713e2db940a8ff0d]::ErrorGuaranteed>, rustc_driver[d9adb13473fd7853]::run_compiler::{closure#1}>::{closure#0}, core[97bb3a13db18d0cb]::result::Result<(), rustc_errors[713e2db940a8ff0d]::ErrorGuaranteed>>::{closure#0}, core[97bb3a13db18d0cb]::result::Result<(), rustc_errors[713e2db940a8ff0d]::ErrorGuaranteed>>
30: 0x7fe963999e79 - <<std[e5af5fec29962f4a]::thread::Builder>::spawn_unchecked_<rustc_interface[67a969eeca26ae2c]::util::run_in_thread_pool_with_globals<rustc_interface[67a969eeca26ae2c]::interface::run_compiler<core[97bb3a13db18d0cb]::result::Result<(), rustc_errors[713e2db940a8ff0d]::ErrorGuaranteed>, rustc_driver[d9adb13473fd7853]::run_compiler::{closure#1}>::{closure#0}, core[97bb3a13db18d0cb]::result::Result<(), rustc_errors[713e2db940a8ff0d]::ErrorGuaranteed>>::{closure#0}, core[97bb3a13db18d0cb]::result::Result<(), rustc_errors[713e2db940a8ff0d]::ErrorGuaranteed>>::{closure#1} as core[97bb3a13db18d0cb]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
31: 0x7fe96133d9c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h374ee76b025338a5
at /rustc/0b79f758c9aa6646606662a6d623a0752286cd17/library/alloc/src/boxed.rs:1935:9
32: 0x7fe96133d9c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2bee731a5ba86295
at /rustc/0b79f758c9aa6646606662a6d623a0752286cd17/library/alloc/src/boxed.rs:1935:9
33: 0x7fe96133d9c3 - std::sys::unix::thread::Thread::new::thread_start::h44c172ae3f11ec1f
at /rustc/0b79f758c9aa6646606662a6d623a0752286cd17/library/std/src/sys/unix/thread.rs:108:17
34: 0x7fe960f9c78d - <unknown>
35: 0x7fe96101d8e4 - clone
36: 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 1.65.0-nightly (0b79f758c 2022-08-18) running on x86_64-unknown-linux-gnu
note: compiler flags: --crate-type bin -C embed-bitcode=no -C debuginfo=2 -C incremental -C target-cpu=native
note: some of the compiler flags provided by cargo are hidden
query stack during panic:
end of query stack
error: aborting due to previous error; 1 warning emitted