Closed
Description
rustc 1.32 does not ICE.
Code
mod dep1 {
extern "C" {
pub static collision: Box<_>;
}
}
fn main() {
dep1::collision
}Meta
rustc --version --verbose:
rustc 1.53.0-nightly (48691ea6e 2021-03-29)
binary: rustc
commit-hash: 48691ea6e639640f110b43e33d4aba1f07e7415c
commit-date: 2021-03-29
host: x86_64-unknown-linux-gnu
release: 1.53.0-nightly
LLVM version: 12.0.0
Error output
warning: `extern` block uses type `Box<[type error]>`, which is not FFI-safe
--> perses_node_priority_with_dfs_delta_reduced_mutant.rs:3:31
|
3 | pub static collision: Box<_>;
| ^^^^^^ not FFI-safe
|
= note: `#[warn(improper_ctypes)]` on by default
= help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
= note: this struct has unspecified layout
error: internal compiler error: compiler/rustc_codegen_llvm/src/context.rs:784:17: failed to get layout for `[type error]`: the type `[type error]` has an unknown layout
thread 'rustc' panicked at 'Box<Any>', /rustc/48691ea6e639640f110b43e33d4aba1f07e7415c/library/std/src/panic.rs:59:5
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
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 1.53.0-nightly (48691ea6e 2021-03-29) running on x86_64-unknown-linux-gnu
query stack during panic:
end of query stack
error: aborting due to previous error; 1 warning emitted
Backtrace
warning: `extern` block uses type `Box<[type error]>`, which is not FFI-safe
--> perses_node_priority_with_dfs_delta_reduced_mutant.rs:3:31
|
3 | pub static collision: Box<_>;
| ^^^^^^ not FFI-safe
|
= note: `#[warn(improper_ctypes)]` on by default
= help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
= note: this struct has unspecified layout
error: internal compiler error: compiler/rustc_codegen_llvm/src/context.rs:784:17: failed to get layout for `[type error]`: the type `[type error]` has an unknown layout
thread 'rustc' panicked at 'Box<Any>', /rustc/48691ea6e639640f110b43e33d4aba1f07e7415c/library/std/src/panic.rs:59:5
stack backtrace:
0: std::panicking::begin_panic
1: std::panic::panic_any
2: rustc_errors::HandlerInner::bug
3: rustc_errors::Handler::bug
4: rustc_middle::ty::context::tls::with_opt
5: rustc_middle::util::bug::opt_span_bug_fmt
6: rustc_middle::util::bug::bug_fmt
7: <rustc_codegen_llvm::context::CodegenCx as rustc_target::abi::LayoutOf>::spanned_layout_of
8: rustc_codegen_ssa::mir::analyze::non_ssa_locals
9: rustc_codegen_ssa::mir::codegen_mir
10: rustc_codegen_ssa::base::codegen_instance
11: <rustc_middle::mir::mono::MonoItem as rustc_codegen_ssa::mono_item::MonoItemExt>::define
12: rustc_codegen_llvm::base::compile_codegen_unit::module_codegen
13: rustc_query_system::dep_graph::graph::DepGraph<K>::with_task
14: rustc_codegen_llvm::base::compile_codegen_unit
15: <rustc_codegen_llvm::LlvmCodegenBackend as rustc_codegen_ssa::traits::backend::CodegenBackend>::codegen_crate
16: rustc_interface::passes::QueryContext::enter
17: rustc_interface::queries::Queries::ongoing_codegen
18: rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter
19: rustc_span::with_source_map
20: rustc_interface::interface::create_compiler_and_run
21: scoped_tls::ScopedKey<T>::set
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
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 1.53.0-nightly (48691ea6e 2021-03-29) running on x86_64-unknown-linux-gnu
query stack during panic:
end of query stack
error: aborting due to previous error; 1 warning emitted