[Panic]: no type for local variable
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matthiaskrgr commented
Summary
No response
Reproducer
// Regression test for issue #114529
// Tests that we do not ICE during const eval for a
// break-with-value in contexts where it is illegal
#[allow(while_true)]
fn main() {
[(); {
while true {
break 0x1223_3445_5667_7889; //~ ERROR `break` with value from a `while` loop
};
51
}];
[(); {
while let Some(v) = Some(100000) {
break v; //~ ERROR `break` with value from a `while` loop
};
51
}];
while true {
break (|| { //~ ERROR `break` with value from a `while` loop
let local = 14u32;
});
}
}
Version
No response
Logs and Backtrace
MARKER_ERROR_TRACE=1 MARKER_LOG=info RUST_BACKTRACE=1 LD_LIBRARY_PATH='/home/matthias/o/target/debug/deps:/home/matthias/.rustup/toolchains/nightly-2023-11-16-x86_64-unknown-linux-gnu/lib:/home/matthias/.rustup/toolchains/nightly-2023-11-16-x86_64-unknown-linux-gnu/lib:/home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib' RUSTC_WORKSPACE_WRAPPER=/home/matthias/.rustup/toolchains/nightly-2023-11-16-x86_64-unknown-linux-gnu/bin/marker_rustc_driver MARKER_LINT_CRATES=marker_lints:/home/matthias/o/target/marker/lints/libmarker_lints.so RUSTUP_TOOLCHAIN=nightly-2023-11-16 /home/matthias/.rustup/toolchains/nightly-2023-11-16-x86_64-unknown-linux-gnu/bin/marker_rustc_driver /home/matthias/vcs/github/rust_misc_stuff/tests/ui/icemaker_omni/46E771E2C2F84ECA18BCB111A61D20AEB342C64C0652B9A74BA200AA73B19895.rs
error[E0571]: `break` with value from a `while` loop
--> /home/matthias/vcs/github/rust_misc_stuff/tests/ui/icemaker_omni/46E771E2C2F84ECA18BCB111A61D20AEB342C64C0652B9A74BA200AA73B19895.rs:9:13
|
8 | while true {
| ---------- you can't `break` with a value in a `while` loop
9 | break 0x1223_3445_5667_7889; //~ ERROR `break` with value from a `while` loop
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ can only break with a value inside `loop` or breakable block
|
help: use `break` on its own without a value inside this `while` loop
|
9 | break; //~ ERROR `break` with value from a `while` loop
| ~~~~~
error[E0571]: `break` with value from a `while` loop
--> /home/matthias/vcs/github/rust_misc_stuff/tests/ui/icemaker_omni/46E771E2C2F84ECA18BCB111A61D20AEB342C64C0652B9A74BA200AA73B19895.rs:16:13
|
15 | while let Some(v) = Some(100000) {
| -------------------------------- you can't `break` with a value in a `while` loop
16 | break v; //~ ERROR `break` with value from a `while` loop
| ^^^^^^^ can only break with a value inside `loop` or breakable block
|
help: use `break` on its own without a value inside this `while` loop
|
16 | break; //~ ERROR `break` with value from a `while` loop
| ~~~~~
error[E0571]: `break` with value from a `while` loop
--> /home/matthias/vcs/github/rust_misc_stuff/tests/ui/icemaker_omni/46E771E2C2F84ECA18BCB111A61D20AEB342C64C0652B9A74BA200AA73B19895.rs:22:9
|
21 | while true {
| ---------- you can't `break` with a value in a `while` loop
22 | / break (|| { //~ ERROR `break` with value from a `while` loop
23 | | let local = 14u32;
24 | | });
| |__________^ can only break with a value inside `loop` or breakable block
|
help: use `break` on its own without a value inside this `while` loop
|
22 | break;
| ~~~~~
error: internal compiler error: compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs:134:13: no type for local variable HirId(DefId(0:3 ~ 46E771E2C2F84ECA18BCB111A61D20AEB342C64C0652B9A74BA200AA73B19895[3fa9]::main).61) (local `let local = 14u32;`)
--> /home/matthias/vcs/github/rust_misc_stuff/tests/ui/icemaker_omni/46E771E2C2F84ECA18BCB111A61D20AEB342C64C0652B9A74BA200AA73B19895.rs:23:13
|
23 | let local = 14u32;
| ^^^^^^^^^^^^^^^^^^
thread 'rustc' panicked at /rustc/6b771f6b5a6c8b03b6322a9c77ac77cb346148f0/compiler/rustc_errors/src/lib.rs:999:33:
Box<dyn Any>
stack backtrace:
0: std::panicking::begin_panic::<rustc_errors::ExplicitBug>
1: <rustc_errors::HandlerInner>::span_bug::<rustc_span::span_encoding::Span, alloc::string::String>
2: <rustc_errors::Handler>::span_bug::<rustc_span::span_encoding::Span, alloc::string::String>
3: rustc_middle::util::bug::opt_span_bug_fmt::<rustc_span::span_encoding::Span>::{closure#0}
4: rustc_middle::ty::context::tls::with_opt::<rustc_middle::util::bug::opt_span_bug_fmt<rustc_span::span_encoding::Span>::{closure#0}, !>::{closure#0}
5: rustc_middle::ty::context::tls::with_context_opt::<rustc_middle::ty::context::tls::with_opt<rustc_middle::util::bug::opt_span_bug_fmt<rustc_span::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
6: rustc_middle::util::bug::span_bug_fmt::<rustc_span::span_encoding::Span>
7: <rustc_hir_typeck::writeback::WritebackCx as rustc_hir::intravisit::Visitor>::visit_local
8: <rustc_hir_typeck::writeback::WritebackCx as rustc_hir::intravisit::Visitor>::visit_expr
9: <rustc_hir_typeck::writeback::WritebackCx as rustc_hir::intravisit::Visitor>::visit_expr
10: <rustc_hir_typeck::writeback::WritebackCx as rustc_hir::intravisit::Visitor>::visit_expr
11: <rustc_hir_typeck::writeback::WritebackCx as rustc_hir::intravisit::Visitor>::visit_expr
12: <rustc_hir_typeck::writeback::WritebackCx as rustc_hir::intravisit::Visitor>::visit_expr
13: <rustc_hir_typeck::writeback::WritebackCx as rustc_hir::intravisit::Visitor>::visit_expr
14: <rustc_hir_typeck::writeback::WritebackCx as rustc_hir::intravisit::Visitor>::visit_expr
15: <rustc_hir_typeck::fn_ctxt::FnCtxt>::resolve_type_vars_in_body
16: rustc_hir_typeck::typeck
[... omitted 1 frame ...]
17: rustc_hir_analysis::check_crate
18: rustc_interface::passes::analysis
[... omitted 1 frame ...]
19: rustc_interface::interface::run_compiler::<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
note: we would appreciate a bug report: https://github.com/rust-marker/marker/issues/new?template=panic.yml
note: please attach the file at `/tmp/marker/rustc-ice-2023-12-18T00_02_43-1892158.txt` to your bug report
query stack during panic:
#0 [typeck] type-checking `main`
#1 [analysis] running analysis passes on this crate
end of query stack
note: marker_rustc_driver 0.4.3
note: Achievement Unlocked: [Free Ice Cream]
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0571`.