Closed
Description
Code
use std::marker::PhantomData;
trait MyTrait {
fn virtualize(&self) -> &dyn MyTrait;
}
struct VirtualWrapper<T, const L: u8>(T);
impl<T, const L: u8> VirtualWrapper<T, L> {
pub fn wrap(value: &T) -> &Self {
unsafe { &*(value as *const T as *const Self) }
}
}
impl<T: MyTrait + 'static, const L: u8> MyTrait for VirtualWrapper<T, L> {
fn virtualize(&self) -> &dyn MyTrait {
unsafe { virtualize_my_trait(L, self) }
// unsafe { virtualize_my_trait(L, &self.0) } // <-- this code fixes the problem
}
}
const unsafe fn virtualize_my_trait<T>(level: u8, obj: &T) -> &dyn MyTrait
where
T: MyTrait + 'static,
{
const fn gen_vtable_ptr<T, const L: u8>() -> *const ()
where
T: MyTrait + 'static,
{
let [_, vtable] = unsafe {
std::mem::transmute::<*const dyn MyTrait, [*const (); 2]>(std::ptr::null::<
VirtualWrapper<T, L>,
>())
};
vtable
}
struct Vtable<T>(PhantomData<T>);
impl<T> Vtable<T>
where
T: MyTrait + 'static,
{
const LEVELS: [*const (); 2] = [gen_vtable_ptr::<T, 1>(), gen_vtable_ptr::<T, 2>()];
}
let vtable = Vtable::<T>::LEVELS[(level != 0) as usize];
let data = obj as *const T as *const ();
let ptr: *const dyn MyTrait = std::mem::transmute([data, vtable]);
&*ptr
}
struct SomeData<const N: usize>([u8; N]);
impl<const N: usize> MyTrait for SomeData<N> {
fn virtualize(&self) -> &dyn MyTrait {
VirtualWrapper::<Self, 0>::wrap(self)
}
}
fn main() {
let test = SomeData([0; 256]);
test.virtualize();
}Meta
rustc --version --verbose:
rustc 1.71.1 (eb26296b5 2023-08-03) running on x86_64-unknown-linux-gnu
Error output
error: reached the recursion limit finding the struct tail for `[u8; 256]`
|
= help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]`
error: internal compiler error: compiler/rustc_monomorphize/src/collector.rs:799:54: collection encountered polymorphic constant: Unevaluated(UnevaluatedConst { def: DefId(0:31 ~ playground[07cd]::virtualize_my_trait::{impl#0}::LEVELS), substs: [VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<VirtualWrapper<SomeData<256>, 0>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>, 1>], promoted: None }, [*const (); 2])
--> src/main.rs:46:18
|
46 | let vtable = Vtable::<T>::LEVELS[(level != 0) as usize];
| ^^^^^^^^^^^^^^^^^^^
thread 'rustc' panicked at 'Box<dyn Any>', /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/compiler/rustc_errors/src/lib.rs:995:33
Backtrace
stack backtrace:
0: 0x7f3ea2449071 - std::backtrace_rs::backtrace::libunwind::trace::h782cc21a5acaf6cb
at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
1: 0x7f3ea2449071 - std::backtrace_rs::backtrace::trace_unsynchronized::hc579eb24ab204515
at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7f3ea2449071 - std::sys_common::backtrace::_print_fmt::h7223525cfdbacda2
at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/std/src/sys_common/backtrace.rs:65:5
3: 0x7f3ea2449071 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbd7d55b7108d2ab8
at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/std/src/sys_common/backtrace.rs:44:22
4: 0x7f3ea24a8d9f - core::fmt::rt::Argument::fmt::hb4f4a02b9bd9dd49
at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/core/src/fmt/rt.rs:138:9
5: 0x7f3ea24a8d9f - core::fmt::write::h6d54cd7c9e155ec5
at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/core/src/fmt/mod.rs:1094:21
6: 0x7f3ea243c311 - std::io::Write::write_fmt::h6a453a71c692f63b
at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/std/src/io/mod.rs:1713:15
7: 0x7f3ea2448e85 - std::sys_common::backtrace::_print::h1cbaa8b42678f928
at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/std/src/sys_common/backtrace.rs:47:5
8: 0x7f3ea2448e85 - std::sys_common::backtrace::print::h4ddf81241a51b337
at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/std/src/sys_common/backtrace.rs:34:9
9: 0x7f3ea244bb47 - std::panicking::default_hook::{{closure}}::hff91f1f484ade5cd
10: 0x7f3ea244b934 - std::panicking::default_hook::h21f14afd59f7aef9
at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/std/src/panicking.rs:288:9
11: 0x7f3ea55d60cb - <rustc_driver_impl[a4629e012e48ffc1]::install_ice_hook::{closure#0} as core[95ee2d8017598cc7]::ops::function::FnOnce<(&core[95ee2d8017598cc7]::panic::panic_info::PanicInfo,)>>::call_once::{shim:vtable#0}
12: 0x7f3ea244c28d - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha1f76bdae3c27ab6
at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/alloc/src/boxed.rs:1999:9
13: 0x7f3ea244c28d - std::panicking::rust_panic_with_hook::h45f66047b14c555c
at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/std/src/panicking.rs:709:13
14: 0x7f3ea5d6d811 - std[edecf719d62c0e6b]::panicking::begin_panic::<rustc_errors[f0469ee7e5c3d3ff]::ExplicitBug>::{closure#0}
15: 0x7f3ea5d6d696 - std[edecf719d62c0e6b]::sys_common::backtrace::__rust_end_short_backtrace::<std[edecf719d62c0e6b]::panicking::begin_panic<rustc_errors[f0469ee7e5c3d3ff]::ExplicitBug>::{closure#0}, !>
16: 0x7f3ea5d5d606 - std[edecf719d62c0e6b]::panicking::begin_panic::<rustc_errors[f0469ee7e5c3d3ff]::ExplicitBug>
17: 0x7f3ea5d5d252 - <rustc_errors[f0469ee7e5c3d3ff]::HandlerInner>::span_bug::<rustc_span[c2ff3b0962b898e5]::span_encoding::Span, alloc[dfb0c3e97fe8b89b]::string::String>
18: 0x7f3ea5d5d0e6 - <rustc_errors[f0469ee7e5c3d3ff]::Handler>::span_bug::<rustc_span[c2ff3b0962b898e5]::span_encoding::Span, alloc[dfb0c3e97fe8b89b]::string::String>
19: 0x7f3ea5d5d916 - rustc_middle[c682e143f9d710c7]::util::bug::opt_span_bug_fmt::<rustc_span[c2ff3b0962b898e5]::span_encoding::Span>::{closure#0}
20: 0x7f3ea5d5d94a - rustc_middle[c682e143f9d710c7]::ty::context::tls::with_opt::<rustc_middle[c682e143f9d710c7]::util::bug::opt_span_bug_fmt<rustc_span[c2ff3b0962b898e5]::span_encoding::Span>::{closure#0}, !>::{closure#0}
21: 0x7f3ea5d5d6ea - rustc_middle[c682e143f9d710c7]::ty::context::tls::with_context_opt::<rustc_middle[c682e143f9d710c7]::ty::context::tls::with_opt<rustc_middle[c682e143f9d710c7]::util::bug::opt_span_bug_fmt<rustc_span[c2ff3b0962b898e5]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
22: 0x7f3ea5d5d694 - rustc_middle[c682e143f9d710c7]::util::bug::span_bug_fmt::<rustc_span[c2ff3b0962b898e5]::span_encoding::Span>
23: 0x7f3ea44bd6a1 - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_neighbours
24: 0x7f3ea44ab519 - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
25: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
26: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
27: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
28: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
29: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
30: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
31: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
32: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
33: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
34: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
35: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
36: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
37: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
38: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
39: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
40: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
41: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
42: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
43: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
44: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
45: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
46: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
47: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
48: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
49: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
50: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
51: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
52: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
53: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
54: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
55: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
56: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
57: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
58: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
59: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
60: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
61: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
62: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
63: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
64: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
65: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
66: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
67: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
68: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
69: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
70: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
71: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
72: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
73: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
74: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
75: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
76: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
77: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
78: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
79: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
80: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
81: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
82: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
83: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
84: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
85: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
86: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
87: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
88: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
89: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
90: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
91: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
92: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
93: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
94: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
95: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
96: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
97: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
98: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
99: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
100: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
101: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
102: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
103: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
104: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
105: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
106: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
107: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
108: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
109: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
110: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
111: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
112: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
113: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
114: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
115: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
116: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
117: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
118: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
119: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
120: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
121: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
122: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
123: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
124: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
125: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
126: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
127: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
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129: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
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221: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
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226: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
227: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
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230: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
231: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
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235: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
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239: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
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241: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
242: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
243: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
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245: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
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247: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
248: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
249: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
250: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
251: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
252: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
253: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
254: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
255: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
256: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
257: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
258: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
259: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
260: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
261: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
262: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
263: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
264: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
265: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
266: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
267: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
268: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
269: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
270: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
271: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
272: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
273: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
274: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
275: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
276: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
277: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
278: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
279: 0x7f3ea44ab96a - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_items_rec
280: 0x7f3ea4999ce7 - rustc_data_structures[8548742d45a93e9b]::sync::par_for_each_in::<alloc[dfb0c3e97fe8b89b]::vec::Vec<rustc_middle[c682e143f9d710c7]::mir::mono::MonoItem>, rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_crate_mono_items::{closure#1}::{closure#0}>
281: 0x7f3ea49999a0 - <rustc_session[b7d9e6f930bc0bce]::session::Session>::time::<(), rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_crate_mono_items::{closure#1}>
282: 0x7f3ea49995c0 - rustc_monomorphize[9472dad9f96b1e7f]::collector::collect_crate_mono_items
283: 0x7f3ea49979a7 - rustc_monomorphize[9472dad9f96b1e7f]::partitioning::collect_and_partition_mono_items
284: 0x7f3ea4be45b9 - rustc_query_impl[6e478c483b869c25]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[6e478c483b869c25]::query_impl::collect_and_partition_mono_items::dynamic_query::{closure#2}::{closure#0}, rustc_middle[c682e143f9d710c7]::query::erase::Erased<[u8; 24usize]>>
285: 0x7f3ea4be458b - <rustc_query_impl[6e478c483b869c25]::query_impl::collect_and_partition_mono_items::dynamic_query::{closure#2} as core[95ee2d8017598cc7]::ops::function::FnOnce<(rustc_middle[c682e143f9d710c7]::ty::context::TyCtxt, ())>>::call_once
286: 0x7f3ea4d77f3c - rustc_query_system[93b6edfdc601e81a]::query::plumbing::try_execute_query::<rustc_query_impl[6e478c483b869c25]::DynamicConfig<rustc_query_system[93b6edfdc601e81a]::query::caches::SingleCache<rustc_middle[c682e143f9d710c7]::query::erase::Erased<[u8; 24usize]>>, false, false, false>, rustc_query_impl[6e478c483b869c25]::plumbing::QueryCtxt, false>
287: 0x7f3ea4d77cd4 - rustc_query_impl[6e478c483b869c25]::query_impl::collect_and_partition_mono_items::get_query_non_incr::__rust_end_short_backtrace
288: 0x7f3ea4c1b769 - rustc_codegen_ssa[b3c509f34a4358db]::base::codegen_crate::<rustc_codegen_llvm[6b638aae027b3fd2]::LlvmCodegenBackend>
289: 0x7f3ea4c1b54b - <rustc_codegen_llvm[6b638aae027b3fd2]::LlvmCodegenBackend as rustc_codegen_ssa[b3c509f34a4358db]::traits::backend::CodegenBackend>::codegen_crate
290: 0x7f3ea48350a2 - <rustc_session[b7d9e6f930bc0bce]::session::Session>::time::<alloc[dfb0c3e97fe8b89b]::boxed::Box<dyn core[95ee2d8017598cc7]::any::Any>, rustc_interface[c65fde630b50e8]::passes::start_codegen::{closure#0}>
291: 0x7f3ea4834beb - rustc_interface[c65fde630b50e8]::passes::start_codegen
292: 0x7f3ea4832cdd - <rustc_middle[c682e143f9d710c7]::ty::context::GlobalCtxt>::enter::<<rustc_interface[c65fde630b50e8]::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}, core[95ee2d8017598cc7]::result::Result<alloc[dfb0c3e97fe8b89b]::boxed::Box<dyn core[95ee2d8017598cc7]::any::Any>, rustc_span[c2ff3b0962b898e5]::ErrorGuaranteed>>
293: 0x7f3ea4830e8d - <rustc_interface[c65fde630b50e8]::queries::Queries>::ongoing_codegen
294: 0x7f3ea48304a9 - <rustc_interface[c65fde630b50e8]::interface::Compiler>::enter::<rustc_driver_impl[a4629e012e48ffc1]::run_compiler::{closure#1}::{closure#2}, core[95ee2d8017598cc7]::result::Result<core[95ee2d8017598cc7]::option::Option<rustc_interface[c65fde630b50e8]::queries::Linker>, rustc_span[c2ff3b0962b898e5]::ErrorGuaranteed>>
295: 0x7f3ea482e5c4 - rustc_span[c2ff3b0962b898e5]::set_source_map::<core[95ee2d8017598cc7]::result::Result<(), rustc_span[c2ff3b0962b898e5]::ErrorGuaranteed>, rustc_interface[c65fde630b50e8]::interface::run_compiler<core[95ee2d8017598cc7]::result::Result<(), rustc_span[c2ff3b0962b898e5]::ErrorGuaranteed>, rustc_driver_impl[a4629e012e48ffc1]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
296: 0x7f3ea482e1a1 - <scoped_tls[24938f349c8d16f0]::ScopedKey<rustc_span[c2ff3b0962b898e5]::SessionGlobals>>::set::<rustc_interface[c65fde630b50e8]::interface::run_compiler<core[95ee2d8017598cc7]::result::Result<(), rustc_span[c2ff3b0962b898e5]::ErrorGuaranteed>, rustc_driver_impl[a4629e012e48ffc1]::run_compiler::{closure#1}>::{closure#0}, core[95ee2d8017598cc7]::result::Result<(), rustc_span[c2ff3b0962b898e5]::ErrorGuaranteed>>
297: 0x7f3ea482d796 - std[edecf719d62c0e6b]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[c65fde630b50e8]::util::run_in_thread_pool_with_globals<rustc_interface[c65fde630b50e8]::interface::run_compiler<core[95ee2d8017598cc7]::result::Result<(), rustc_span[c2ff3b0962b898e5]::ErrorGuaranteed>, rustc_driver_impl[a4629e012e48ffc1]::run_compiler::{closure#1}>::{closure#0}, core[95ee2d8017598cc7]::result::Result<(), rustc_span[c2ff3b0962b898e5]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[95ee2d8017598cc7]::result::Result<(), rustc_span[c2ff3b0962b898e5]::ErrorGuaranteed>>
298: 0x7f3ea4e854c5 - <<std[edecf719d62c0e6b]::thread::Builder>::spawn_unchecked_<rustc_interface[c65fde630b50e8]::util::run_in_thread_pool_with_globals<rustc_interface[c65fde630b50e8]::interface::run_compiler<core[95ee2d8017598cc7]::result::Result<(), rustc_span[c2ff3b0962b898e5]::ErrorGuaranteed>, rustc_driver_impl[a4629e012e48ffc1]::run_compiler::{closure#1}>::{closure#0}, core[95ee2d8017598cc7]::result::Result<(), rustc_span[c2ff3b0962b898e5]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[95ee2d8017598cc7]::result::Result<(), rustc_span[c2ff3b0962b898e5]::ErrorGuaranteed>>::{closure#1} as core[95ee2d8017598cc7]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
299: 0x7f3ea24567b5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he3e5dbdfabe0b668
at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/alloc/src/boxed.rs:1985:9
300: 0x7f3ea24567b5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h246f7c7964633611
at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/alloc/src/boxed.rs:1985:9
301: 0x7f3ea24567b5 - std::sys::unix::thread::Thread::new::thread_start::hadf9e3501ff0df23
at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/std/src/sys/unix/thread.rs:108:17
302: 0x7f3ea2326609 - start_thread
303: 0x7f3ea2249133 - clone
304: 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 1.71.1 (eb26296b5 2023-08-03) running on x86_64-unknown-linux-gnu
note: compiler flags: --crate-type bin -C embed-bitcode=no -C codegen-units=1 -C debuginfo=2
note: some of the compiler flags provided by cargo are hidden
query stack during panic:
#0 [collect_and_partition_mono_items] collect_and_partition_mono_items
end of query stack
error: could not compile `playground` (bin "playground") due to previous error