Closed
Description
Code
#![feature(allocator_api, nonnull_slice_from_raw_parts, slice_ptr_get)]
#![allow(dead_code, unused_imports, unused_variables)]
use core::{alloc::{AllocError, Layout, Allocator}, cell::Cell, ptr::NonNull};
use std::alloc::Global;
struct ArenaAlloc {}
impl ArenaAlloc {
pub fn new(size: usize) -> Result<Self, AllocError> {
todo!()
}
}
unsafe impl Allocator for &'_ ArenaAlloc {
fn allocate(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError> {
todo!()
}
unsafe fn deallocate(&self, _: NonNull<u8>, _: Layout) {}
}
fn main() {
let allocator = ArenaAlloc::new(16 * 4096).unwrap();
let my_box = Box::new_in(0u8, &allocator);
}Error output
thread 'rustc' panicked at 'assertion failed: i < this.fields.count()', /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/compiler/rustc_middle/src/ty/layout.rs:2311:21
stack backtrace:
0: 0x7fb3399aeb5c - std::backtrace_rs::backtrace::libunwind::trace::h38d656af46687c91
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
1: 0x7fb3399aeb5c - std::backtrace_rs::backtrace::trace_unsynchronized::h6463e81b43d545da
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7fb3399aeb5c - std::sys_common::backtrace::_print_fmt::h7d0aeff1635ad318
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/std/src/sys_common/backtrace.rs:66:5
3: 0x7fb3399aeb5c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he9ed9f7bc97615c6
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/std/src/sys_common/backtrace.rs:45:22
4: 0x7fb339a1067c - core::fmt::write::h26fb070fd492e04f
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/core/src/fmt/mod.rs:1190:17
5: 0x7fb33999eed8 - std::io::Write::write_fmt::ha7a1cfea3d855428
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/std/src/io/mod.rs:1657:15
6: 0x7fb3399b2ad7 - std::sys_common::backtrace::_print::h6a43ee74b02286e0
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/std/src/sys_common/backtrace.rs:48:5
7: 0x7fb3399b2ad7 - std::sys_common::backtrace::print::hfe9d3eef26a9b46f
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/std/src/sys_common/backtrace.rs:35:9
8: 0x7fb3399b2ad7 - std::panicking::default_hook::{{closure}}::he3bbb991ed25ca71
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/std/src/panicking.rs:295:22
9: 0x7fb3399b279f - std::panicking::default_hook::h4e425f0c50c308bd
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/std/src/panicking.rs:314:9
10: 0x7fb33a13ecb1 - rustc_driver[a91e56fa9d42f309]::DEFAULT_HOOK::{closure#0}::{closure#0}
11: 0x7fb3399b33b5 - std::panicking::rust_panic_with_hook::h22c18dec3fc9e708
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/std/src/panicking.rs:702:17
12: 0x7fb3399b3029 - std::panicking::begin_panic_handler::{{closure}}::hd86c4a70dd9a9d4a
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/std/src/panicking.rs:586:13
13: 0x7fb3399af004 - std::sys_common::backtrace::__rust_end_short_backtrace::ha98c5d7cc0ee2da0
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/std/src/sys_common/backtrace.rs:138:18
14: 0x7fb3399b2d69 - rust_begin_unwind
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/std/src/panicking.rs:584:5
15: 0x7fb33997ad43 - core::panicking::panic_fmt::h53f61fbdec3080b3
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/core/src/panicking.rs:143:14
16: 0x7fb33997ac0d - core::panicking::panic::h950eea06a1dc9ad4
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/core/src/panicking.rs:48:5
17: 0x7fb33b38a7a1 - <&rustc_middle[cc566e06f15dafa0]::ty::TyS as rustc_target[bd8a2977f342684d]::abi::TyAbiInterface<_>>::ty_and_layout_field::field_ty_or_layout::<rustc_codegen_llvm[ce7fced1d54ea27c]::context::CodegenCx>
18: 0x7fb33b3b4c5a - <rustc_target[bd8a2977f342684d]::abi::TyAndLayout<&rustc_middle[cc566e06f15dafa0]::ty::TyS> as rustc_codegen_llvm[ce7fced1d54ea27c]::type_of::LayoutLlvmExt>::scalar_pair_element_llvm_type
19: 0x7fb33b3b5171 - <rustc_target[bd8a2977f342684d]::abi::TyAndLayout<&rustc_middle[cc566e06f15dafa0]::ty::TyS> as rustc_codegen_llvm[ce7fced1d54ea27c]::type_of::LayoutLlvmExt>::scalar_pair_element_llvm_type
20: 0x7fb33b3b33ac - <rustc_target[bd8a2977f342684d]::abi::TyAndLayout<&rustc_middle[cc566e06f15dafa0]::ty::TyS> as rustc_codegen_llvm[ce7fced1d54ea27c]::type_of::LayoutLlvmExt>::llvm_type
21: 0x7fb33b3b2bfb - <rustc_target[bd8a2977f342684d]::abi::TyAndLayout<&rustc_middle[cc566e06f15dafa0]::ty::TyS> as rustc_codegen_llvm[ce7fced1d54ea27c]::type_of::LayoutLlvmExt>::llvm_type
22: 0x7fb33b3ac7df - <rustc_target[bd8a2977f342684d]::abi::call::FnAbi<&rustc_middle[cc566e06f15dafa0]::ty::TyS> as rustc_codegen_llvm[ce7fced1d54ea27c]::abi::FnAbiLlvmExt>::llvm_type
23: 0x7fb33b39773c - <rustc_codegen_llvm[ce7fced1d54ea27c]::context::CodegenCx as rustc_codegen_ssa[c5eabbff9f30fa84]::traits::declare::PreDefineMethods>::predefine_fn
24: 0x7fb33b384a70 - rustc_codegen_llvm[ce7fced1d54ea27c]::base::compile_codegen_unit::module_codegen
25: 0x7fb33c024436 - <rustc_query_system[4f5991938760a368]::dep_graph::graph::DepGraph<rustc_middle[cc566e06f15dafa0]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[cc566e06f15dafa0]::ty::context::TyCtxt, rustc_span[cd0e477a0d9055ec]::symbol::Symbol, rustc_codegen_ssa[c5eabbff9f30fa84]::ModuleCodegen<rustc_codegen_llvm[ce7fced1d54ea27c]::ModuleLlvm>>
26: 0x7fb33c0205de - rustc_codegen_llvm[ce7fced1d54ea27c]::base::compile_codegen_unit
27: 0x7fb33c04d05e - <rustc_codegen_llvm[ce7fced1d54ea27c]::LlvmCodegenBackend as rustc_codegen_ssa[c5eabbff9f30fa84]::traits::backend::CodegenBackend>::codegen_crate
28: 0x7fb33bfdb337 - <rustc_session[5d2f28b07d0c8873]::session::Session>::time::<alloc[5fc1b733952c8f94]::boxed::Box<dyn core[62aaa051b59bb8a7]::any::Any>, rustc_interface[cc122fef18c9905d]::passes::start_codegen::{closure#0}>
29: 0x7fb33bff94cc - <rustc_interface[cc122fef18c9905d]::passes::QueryContext>::enter::<<rustc_interface[cc122fef18c9905d]::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}, core[62aaa051b59bb8a7]::result::Result<alloc[5fc1b733952c8f94]::boxed::Box<dyn core[62aaa051b59bb8a7]::any::Any>, rustc_errors[73a3c157b3209785]::ErrorReported>>
30: 0x7fb33bfefe7f - <rustc_interface[cc122fef18c9905d]::queries::Queries>::ongoing_codegen
31: 0x7fb33bfba97b - rustc_interface[cc122fef18c9905d]::interface::create_compiler_and_run::<core[62aaa051b59bb8a7]::result::Result<(), rustc_errors[73a3c157b3209785]::ErrorReported>, rustc_driver[a91e56fa9d42f309]::run_compiler::{closure#1}>
32: 0x7fb33bfa0052 - std[b153a624bb710ba]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[cc122fef18c9905d]::util::run_in_thread_pool_with_globals<rustc_interface[cc122fef18c9905d]::interface::run_compiler<core[62aaa051b59bb8a7]::result::Result<(), rustc_errors[73a3c157b3209785]::ErrorReported>, rustc_driver[a91e56fa9d42f309]::run_compiler::{closure#1}>::{closure#0}, core[62aaa051b59bb8a7]::result::Result<(), rustc_errors[73a3c157b3209785]::ErrorReported>>::{closure#0}, core[62aaa051b59bb8a7]::result::Result<(), rustc_errors[73a3c157b3209785]::ErrorReported>>
33: 0x7fb33bfd3169 - <<std[b153a624bb710ba]::thread::Builder>::spawn_unchecked_<rustc_interface[cc122fef18c9905d]::util::run_in_thread_pool_with_globals<rustc_interface[cc122fef18c9905d]::interface::run_compiler<core[62aaa051b59bb8a7]::result::Result<(), rustc_errors[73a3c157b3209785]::ErrorReported>, rustc_driver[a91e56fa9d42f309]::run_compiler::{closure#1}>::{closure#0}, core[62aaa051b59bb8a7]::result::Result<(), rustc_errors[73a3c157b3209785]::ErrorReported>>::{closure#0}, core[62aaa051b59bb8a7]::result::Result<(), rustc_errors[73a3c157b3209785]::ErrorReported>>::{closure#1} as core[62aaa051b59bb8a7]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
34: 0x7fb3399bf243 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h353fa42c42b20ec5
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/alloc/src/boxed.rs:1854:9
35: 0x7fb3399bf243 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h0930c1c2fa5dac80
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/alloc/src/boxed.rs:1854:9
36: 0x7fb3399bf243 - std::sys::unix::thread::Thread::new::thread_start::hb3ede8336acd4f71
at /rustc/1e12aef3fab243407f9d71ba9956cb2a1bf105d5/library/std/src/sys/unix/thread.rs:108:17
37: 0x7fb3398f3609 - start_thread
38: 0x7fb33980d293 - clone
39: 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 (1e12aef3f 2022-02-13) 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:
end of query stack
error: could not compile `playground`