Closed
Description
Code
pub fn visit_expr(&mut self, expr: &Expression) -> Vec<Diag> {
let mut diags = Vec::new();
match &expr.expr {
ExpressionInner::SymbolExpr(symbol) => 'out: {
dbg!(symbol);
let name = match symbol.s.borrow().clone() {
SymbolInner::Undefined(name) => name,
_ => continue 'out,
}
if let Some(found) = self.table.scope_lookup(&name) {
*symbol.s.borrow_mut() = found.s.borrow().clone();
} else {
todo!("NOT FOUND DIAG HERE.");
}
}
ExpressionInner::BinaryExpr { lhs, rhs, .. } => {
diags.extend(self.visit_expr(lhs));
diags.extend(self.visit_expr(rhs));
}
ExpressionInner::UnaryExpr { operand, .. } => {
diags.extend(self.visit_expr(operand));
}
// we don't use the wildcard `_` pattern because it forces us to
// adjust this code when a new expression is created
ExpressionInner::IntLiteral(_)
| ExpressionInner::BoolLiteral(_)
| ExpressionInner::CharLiteral(_)
| ExpressionInner::StrLiteral(_) => {}
}
diags
}
the entire project can be found in the state that makes rustc panic here -> Larsouille25/rosa@fc6aab9e599961307cd7e63e825cb87a6af9bff5
(I'll try to isolate the code that makes the compiler crashes)
Meta
rustc --version --verbose
:
rustc 1.78.0 (9b00956e5 2024-04-29)
binary: rustc
commit-hash: 9b00956e56009bab2aa15d7bff10916599e3d6d6
commit-date: 2024-04-29
host: x86_64-unknown-linux-gnu
release: 1.78.0
LLVM version: 18.1.2
Error output
Compiling rosac_sema v0.0.0 (/home/thibault/devel/rosa/internals/rosac_sema)
error: expected `;`, found keyword `if`
--> internals/rosac_sema/src/name.rs:188:18
|
188 | }
| ^ help: add `;` here
189 | if let Some(found) = self.table.scope_lookup(&name) {
| -- unexpected token
warning: unused import: `std::cell::RefCell`
--> internals/rosac_sema/src/name.rs:10:5
|
10 | use std::cell::RefCell;
| ^^^^^^^^^^^^^^^^^^
|
= note: `#[warn(unused_imports)]` on by default
error[E0696]: `continue` pointing to a labeled block
--> internals/rosac_sema/src/name.rs:187:26
|
183 | ExpressionInner::SymbolExpr(symbol) => 'out: {
| ____________________________________________________-
184 | | dbg!(symbol);
185 | | let name = match symbol.s.borrow().clone() {
186 | | SymbolInner::Undefined(name) => name,
187 | | _ => continue 'out,
| | ^^^^^^^^^^^^^ labeled blocks cannot be `continue`'d
... |
193 | | }
194 | | }
| |_____________- labeled block the `continue` points to
warning: unused variable: `name`
--> internals/rosac_sema/src/name.rs:109:14
|
109 | let (name, args, ret, block, loc) = match &decl.decl {
| ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
|
= note: `#[warn(unused_variables)]` on by default
warning: unused variable: `ret`
--> internals/rosac_sema/src/name.rs:109:26
|
109 | let (name, args, ret, block, loc) = match &decl.decl {
| ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
thread 'rustc' panicked at compiler/rustc_passes/src/liveness/rwu_table.rs:62:9:
assertion failed: b.index() < self.live_nodes
stack backtrace:
<it's in the backtrace section later>
error: 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 1.78.0 (9b00956e5 2024-04-29) running on x86_64-unknown-linux-gnu
note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]
note: some of the compiler flags provided by cargo are hidden
query stack during panic:
#0 [check_liveness] checking liveness of variables in `name::<impl at internals/rosac_sema/src/name.rs:16:1: 16:30>::visit_expr`
#1 [mir_built] building MIR for `name::<impl at internals/rosac_sema/src/name.rs:16:1: 16:30>::visit_expr`
#2 [check_unsafety] unsafety-checking `name::<impl at internals/rosac_sema/src/name.rs:16:1: 16:30>::visit_expr`
#3 [analysis] running analysis passes on this crate
end of query stack
For more information about this error, try `rustc --explain E0696`.
warning: `rosac_sema` (lib) generated 3 warnings
error: could not compile `rosac_sema` (lib) due to 2 previous errors; 3 warnings emitted
Backtrace
0: 0x7f0c90385892 - std::backtrace_rs::backtrace::libunwind::trace::he4ee80166a02c846
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
1: 0x7f0c90385892 - std::backtrace_rs::backtrace::trace_unsynchronized::h476faccf57e88641
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7f0c90385892 - std::sys_common::backtrace::_print_fmt::h430c922a77e7a59c
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:68:5
3: 0x7f0c90385892 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hffecb437d922f988
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:44:22
4: 0x7f0c903d6a6c - core::fmt::rt::Argument::fmt::hf3df69369399bfa9
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/fmt/rt.rs:142:9
5: 0x7f0c903d6a6c - core::fmt::write::hd9a8d7d029f9ea1a
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/fmt/mod.rs:1153:17
6: 0x7f0c9037a78f - std::io::Write::write_fmt::h0e1226b2b8d973fe
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/io/mod.rs:1843:15
7: 0x7f0c90385664 - std::sys_common::backtrace::_print::hd2df4a083f6e69b8
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:47:5
8: 0x7f0c90385664 - std::sys_common::backtrace::print::he907f6ad7eee41cb
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:34:9
9: 0x7f0c9038835b - std::panicking::default_hook::{{closure}}::h3926193b61c9ca9b
10: 0x7f0c903880b3 - std::panicking::default_hook::h25ba2457dea68e65
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:292:9
11: 0x7f0c8d02845d - std[e4dfbc2c3f4b09f1]::panicking::update_hook::<alloc[1adba907b9db1888]::boxed::Box<rustc_driver_impl[24a943716c49befe]::install_ice_hook::{closure#0}>>::{closure#0}
12: 0x7f0c90388ac0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h022ca2c0d8c21c9e
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/alloc/src/boxed.rs:2034:9
13: 0x7f0c90388ac0 - std::panicking::rust_panic_with_hook::h0ad14d90dcf5224f
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:783:13
14: 0x7f0c903887c9 - std::panicking::begin_panic_handler::{{closure}}::h4a1838a06f542647
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:649:13
15: 0x7f0c90385d66 - std::sys_common::backtrace::__rust_end_short_backtrace::h77cc4dc3567ca904
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:171:18
16: 0x7f0c90388534 - rust_begin_unwind
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:645:5
17: 0x7f0c903d2f85 - core::panicking::panic_fmt::h940d4fd01a4b4fd1
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/panicking.rs:72:14
18: 0x7f0c903d3043 - core::panicking::panic::h8ddd58dc57c2dc00
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/panicking.rs:145:5
19: 0x7f0c8e98170c - <rustc_passes[4fc2ef7b3cf51af8]::liveness::Liveness>::propagate_through_expr
20: 0x7f0c8e97d3e8 - <rustc_passes[4fc2ef7b3cf51af8]::liveness::Liveness>::propagate_through_block
21: 0x7f0c8e980af1 - <rustc_passes[4fc2ef7b3cf51af8]::liveness::Liveness>::propagate_through_expr
22: 0x7f0c8e97d3aa - <rustc_passes[4fc2ef7b3cf51af8]::liveness::Liveness>::propagate_through_block
23: 0x7f0c8e984b17 - rustc_passes[4fc2ef7b3cf51af8]::liveness::check_liveness
24: 0x7f0c8e984129 - rustc_query_impl[e4152ad88c3d6c78]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[e4152ad88c3d6c78]::query_impl::check_liveness::dynamic_query::{closure#2}::{closure#0}, rustc_middle[fda44fdb505d3e7f]::query::erase::Erased<[u8; 0usize]>>
25: 0x7f0c8e585ceb - rustc_query_system[475239fef39bf53f]::query::plumbing::try_execute_query::<rustc_query_impl[e4152ad88c3d6c78]::DynamicConfig<rustc_query_system[475239fef39bf53f]::query::caches::VecCache<rustc_span[a4517f2b2e65298c]::def_id::LocalDefId, rustc_middle[fda44fdb505d3e7f]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[e4152ad88c3d6c78]::plumbing::QueryCtxt, true>
26: 0x7f0c8e59066f - rustc_query_impl[e4152ad88c3d6c78]::query_impl::check_liveness::get_query_incr::__rust_end_short_backtrace
27: 0x7f0c8e9997bb - rustc_mir_build[95b41b8ff12a5765]::build::mir_built
28: 0x7f0c8e999595 - rustc_query_impl[e4152ad88c3d6c78]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[e4152ad88c3d6c78]::query_impl::mir_built::dynamic_query::{closure#2}::{closure#0}, rustc_middle[fda44fdb505d3e7f]::query::erase::Erased<[u8; 8usize]>>
29: 0x7f0c8e33ffd5 - rustc_query_system[475239fef39bf53f]::query::plumbing::try_execute_query::<rustc_query_impl[e4152ad88c3d6c78]::DynamicConfig<rustc_query_system[475239fef39bf53f]::query::caches::VecCache<rustc_span[a4517f2b2e65298c]::def_id::LocalDefId, rustc_middle[fda44fdb505d3e7f]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[e4152ad88c3d6c78]::plumbing::QueryCtxt, true>
30: 0x7f0c8e590516 - rustc_query_impl[e4152ad88c3d6c78]::query_impl::mir_built::get_query_incr::__rust_end_short_backtrace
31: 0x7f0c8e995315 - rustc_mir_build[95b41b8ff12a5765]::check_unsafety::check_unsafety
32: 0x7f0c8e995109 - rustc_query_impl[e4152ad88c3d6c78]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[e4152ad88c3d6c78]::query_impl::check_unsafety::dynamic_query::{closure#2}::{closure#0}, rustc_middle[fda44fdb505d3e7f]::query::erase::Erased<[u8; 0usize]>>
33: 0x7f0c8e585ceb - rustc_query_system[475239fef39bf53f]::query::plumbing::try_execute_query::<rustc_query_impl[e4152ad88c3d6c78]::DynamicConfig<rustc_query_system[475239fef39bf53f]::query::caches::VecCache<rustc_span[a4517f2b2e65298c]::def_id::LocalDefId, rustc_middle[fda44fdb505d3e7f]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[e4152ad88c3d6c78]::plumbing::QueryCtxt, true>
34: 0x7f0c8e585837 - rustc_query_impl[e4152ad88c3d6c78]::query_impl::check_unsafety::get_query_incr::__rust_end_short_backtrace
35: 0x7f0c8eb11fbf - rustc_interface[ba2b6dc4c96cb491]::passes::analysis
36: 0x7f0c8eb118e5 - rustc_query_impl[e4152ad88c3d6c78]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[e4152ad88c3d6c78]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[fda44fdb505d3e7f]::query::erase::Erased<[u8; 1usize]>>
37: 0x7f0c8f09d375 - rustc_query_system[475239fef39bf53f]::query::plumbing::try_execute_query::<rustc_query_impl[e4152ad88c3d6c78]::DynamicConfig<rustc_query_system[475239fef39bf53f]::query::caches::SingleCache<rustc_middle[fda44fdb505d3e7f]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[e4152ad88c3d6c78]::plumbing::QueryCtxt, true>
38: 0x7f0c8f09cf9c - rustc_query_impl[e4152ad88c3d6c78]::query_impl::analysis::get_query_incr::__rust_end_short_backtrace
39: 0x7f0c8edfc814 - rustc_interface[ba2b6dc4c96cb491]::interface::run_compiler::<core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>, rustc_driver_impl[24a943716c49befe]::run_compiler::{closure#0}>::{closure#0}
40: 0x7f0c8f13eb6e - std[e4dfbc2c3f4b09f1]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[ba2b6dc4c96cb491]::util::run_in_thread_with_globals<rustc_interface[ba2b6dc4c96cb491]::interface::run_compiler<core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>, rustc_driver_impl[24a943716c49befe]::run_compiler::{closure#0}>::{closure#0}, core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>>
41: 0x7f0c8f13e9ca - <<std[e4dfbc2c3f4b09f1]::thread::Builder>::spawn_unchecked_<rustc_interface[ba2b6dc4c96cb491]::util::run_in_thread_with_globals<rustc_interface[ba2b6dc4c96cb491]::interface::run_compiler<core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>, rustc_driver_impl[24a943716c49befe]::run_compiler::{closure#0}>::{closure#0}, core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>>::{closure#1} as core[836963c7c1decc11]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
42: 0x7f0c90392145 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h19b9e642d37e7272
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/alloc/src/boxed.rs:2020:9
43: 0x7f0c90392145 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h97265befc434d3ae
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/alloc/src/boxed.rs:2020:9
44: 0x7f0c90392145 - std::sys::pal::unix::thread::Thread::new::thread_start::h420dad5cf01a9f35
at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys/pal/unix/thread.rs:108:17
45: 0x7f0c8a0a91b7 - start_thread
46: 0x7f0c8a12b3cc - __GI___clone3
47: 0x0 - <unknown>