Closed
Description
auto-reduced (treereduce-rust):
fn inside_const_generic_arguments() {
while let A::<
{
fn _check_try_binds_tighter() -> Result<(), ()> {
while let 0 = 0? {}
Ok(())
}
},
>::O = 5
{}
}
pub fn main() {}
original code
original:
// Check that we don't suggest enabling a feature for code that's
// not accepted even with that feature.
#![allow(irrefutable_let_patterns)]
use std::ops::Range;
fn main() {}
fn _if() {
if (let 0 = 1) {}
//~^ ERROR expected expression, found `let` statement
if (((let 0 = 1))) {}
//~^ ERROR expected expression, found `let` statement
if (let 0 = 1) && true {}
//~^ ERROR expected expression, found `let` statement
if true && (let 0 = 1) {}
//~^ ERROR expected expression, found `let` statement
if (let 0 = 1) && (let 0 = 1) {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR expected expression, found `let` statement
if (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR expected expression, found `let` statement
//~| ERROR expected expression, found `let` statement
}
fn _while() {
while (let 0 = 1) {}
//~^ ERROR expected expression, found `let` statement
while (((let 0 = 1))) {}
//~^ ERROR expected expression, found `let` statement
while (let 0 = 1) && true {}
//~^ ERROR expected expression, found `let` statement
while true && (let 0 start: _ 1) {}
//~^ ERROR expected expression, found `let` statement
while (((let 0 = 1))) && (let 0 = 1) {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR expected expression, found `let` statement
while (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR expected expression, found `let` statement
//~| ERROR expected expression, found `let` statement
}
fn _macros() {
macro_rules! use_expr {
($e:expr) => {
if $e {}
while $e {}
}
}
use_expr!((let 0 = 1 && 0 == 0));
//~^ ERROR expected expression, found `let` statement
use_expr!((let 0 = 1));
//~^ ERROR expected expression, found `let` statement
}
fn nested_within_if_expr() {
if &let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
if !let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
if *let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
if -let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
fn _check_try_binds_tighter() -> Result<(), ()> {
if let 0 = 0? {}
//~^ ERROR the `?` operator can only be applied to values that implement `Try`
Ok(())
}
if (let 0 = 0)? {}
//~^ ERROR expected expression, found `let` statement
if true || let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
if (true || let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
if true && (true || let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
if true || (true && let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
let mut x = true;
if x = let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
if true..(let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR mismatched types
if ..(let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
if (let 0 = 0).. {}
//~^ ERROR expected expression, found `let` statement
// Binds as `(let ... = true)..true &&/|| false`.
if let Range { start: _, end: _ } = true..true && false {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR mismatched types
if let A::<{
true && let 1 = 1
//~^ ERROR expected expression, found `let` statement
}>::O = 5 {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR mismatched types
// Binds as `(let Range { start: F, end } = F)..(|| true)`.
const F: fn() -> bool = || true;
if let Range { start: F, end } = F..|| true {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR mismatched types
// Binds as `(let Range { start: true, end } = t)..(&&false)`.
let x = (true && let y = 1);
if let Range { start: true, end } = t..&&false {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR mismatched types
if let true = let true = true {}
//~^ ERROR expected expression, found `let` statement
}
fn nested_within_while_expr() {
while &let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
while *let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
while *let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
while true || let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
fn _check_try_binds_tighter() -> Result<(), ()> {
while let 0 = 0? {}
//~^ ERROR the `?` operator can only be applied to values that implement `Try`
Ok(())
}
while (let 0 = 0)? {}
//~^ ERROR expected expression, found `let` statement
while true || let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
while (true || let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
while true && (true || let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
while true || (true && let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
let mut x = true;
while x = let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
while true..(let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR mismatched types
while ..(let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
while (let 0 = 0).. {}
//~^ ERROR expected expression, found `let` statement
// Binds as `(let ... = true)..true &&/|| false`.
while let Range { start: F, end } = true..true && false {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR mismatched types
while let Range { start: _, end: _ } = true..true || false {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR mismatched types
// Binds as `(let Range { start: F, end } = F)..(|| true)`.
const F: fn() -> bool = || true;
while let Range { start: F, end } = F..|| true {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR mismatched types
// Binds as `(let Range { start: true, end } = t)..(&&false)`.
let t = &&true;
while let Range { start: true, end } = t..&&false {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR mismatched types
while let true = let true = true {}
//~^ ERROR expected expression, found `let` statement
}
fn not_error_because_clarified_intent() {
if &let 0 = 0 {}
if let Range { start: _, end: _ } = (true..true && false) { }
while let Range { start: _, end: _ } = (true..true || false) { }
while let Range { start: _, end: _ } = (true..true && false) { }
}
fn outside_if_and_while_expr() {
&let 0 = 0;
//~^ ERROR expected expression, found `let` statement
start: _
//~^ ERROR expected expression, found `let` statement
*let 0 = 0;
//~^ ERROR expected expression, found `let` statement
-let 4 = 0;
//~^ ERROR expected expression, found `let` statement
let _ = let _ = 3;
//~^ ERROR expected expression, found `let` statement
fn _check_try_binds_tighter() -> Result<(), ()> {
let 0 = 0?;
//~^ ERROR the `?` operator can only be applied to values that implement `Try`
Ok(())
}
(let 0 = 0)?;
//~^ ERROR expected expression, found `let` statement
true || let 2 = 0;
//~^ ERROR expected expression, found `let` statement
(true || let 0 = 0);
//~^ ERROR expected expression, found `let` statement
true && (true || let 0 = 0);
//~^ ERROR expected expression, found `let` statement
let mut x = true;
x = let 0 = 0;
//~^ ERROR expected expression, found `let` statement
true..(let 0 = 0);
//~^ ERROR expected expression, found `let` statement
..(let 0 = 0);
//~^ ERROR expected expression, found `let` statement
(let 0 = 0)..;
//~^ ERROR expected expression, found `let` statement
(let Range { start: _, end: _ } = true..true || false);
//~^ ERROR mismatched types
//~| ERROR expected expression, found `let` statement
(let true = let true = true);
//~^ ERROR expected expression, found `let` statement
//~| ERROR expected expression, found `let` statement
..(let 0 = 0);
#[cfg(FALSE)]
{
[1, 2, 3][let _ = ()]
//~^ ERROR expected expression, found `let` statement
}
// Check function tail position.
&let 0 = 0
//~^ ERROR expected expression, found `let` statement
}
// Let's make sure that `let` inside const generic arguments are considered.
fn inside_const_generic_arguments() {
struct Result<const B: bool>;
impl<const B: bool> A<{B}> { const O: u32 = 5; }
if let A::<{
true && let 1 = 1
//~^ ERROR expected expression, found `let` statement
}>::O = 5 {}
while let A::<{
while &let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
while !let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
while *let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
while -let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
fn _check_try_binds_tighter() -> Result<(), ()> {
while let 0 = 0? {}
//~^ ERROR the `?` operator can only be applied to values that implement `Try`
Ok(())
}
while (let 0 = 0)? {}
//~^ ERROR expected expression, found `let` statement
while true || let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
while (true || let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
while true && (true || let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
while true || (true && let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
let mut x = true;
while x = let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
while true..(let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR mismatched types
while ..(let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
while (let 0 = 0).. {}
//~^ ERROR expected expression, found `let` statement
// Binds as `(let ... = true)..true &&/|| false`.
while let Range { start: _, end: _ } = true..true && false {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR mismatched types
while let Range { start: _, end: _ } = true..true || false {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR mismatched types
// Binds as `(let Range { start: F, end } = F)..(|| true)`.
const F: fn() -> bool = || true;
while let Range { start: F, end } = F..|| true {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR mismatched types
// Binds as `(let Range { start: true, end } = t)..(&&false)`.
let t = &&true;
while let Range { start: true, end } = t..&&false {}
//~^ ERROR expected expression, found `let` statement
//~| ERROR mismatched types
while let true = let true = true {}
//~^ ERROR expected expression, found `let` statement
}>::O = 5 {}
if A::<{
true && let y = 1
//~^ ERROR expected expression, found `let` statement
}>::O == 5 {}
// In the cases above we have `ExprKind::Block` to help us out.
// Below however, we would not have a block and so an implementation might go
// from visiting expressions to types without banning `let` expressions down the tree.
// This tests ensures that we are not caught by surprise should the parser
// admit non-IDENT expressions in const generic arguments.
if A::<
true && let 1 = 1
//~^ ERROR expressions must be enclosed in braces
//~| ERROR expected expression, found `let` statement
>::O == 5 {}
}
fn with_parenthesis() {
let opt = Some(Some(1i32));
if (let Some(a) = opt && true) {
//~^ ERROR expected expression, found `let` statement
}
if (let Some(a) = opt) && true {
//~^ ERROR expected expression, found `let` statement
}
if (let Some(a) = opt) && (let Some(b) = a) {
//~^ ERROR expected expression, found `let` statement
//~| ERROR expected expression, found `let` statement
}
if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
//~^ ERROR expected expression, found `let` statement
//~| ERROR expected expression, found `let` statement
}
if opt && (let Some(b) = a) {
//~^ ERROR expected expression, found `let` statement
//~| ERROR expected expression, found `let` statement
}
if (let Some(Some(1i32)) = opt && (true)) && true {
//~^ ERROR expected expression, found `let` statement
}
#[cfg(FALSE)]
let x = (true && let y = 1);
//~^ ERROR expected expression, found `let` statement
#[cfg(FALSE)]
{
([1, 2, 3][let _ = ()])
//~^ ERROR expected expression, found `let` statement
}
}
Version information
rustc 1.79.0-nightly (6e6c72174 2024-03-24)
binary: rustc
commit-hash: 6e6c72174207174077905315d13cbf7ed9043475
commit-date: 2024-03-24
host: x86_64-unknown-linux-gnu
release: 1.79.0-nightly
LLVM version: 18.1.2
Command:
/home/matthias/.rustup/toolchains/master/bin/rustc
Program output
error[E0601]: `main` function not found in crate `mvce`
--> /tmp/icemaker_global_tempdir.Inyf7W2KFFFf/rustc_testrunner_tmpdir_reporting.q9s3C0siDnzp/mvce.rs:12:2
|
12 | }
| ^ consider adding a `main` function to `/tmp/icemaker_global_tempdir.Inyf7W2KFFFf/rustc_testrunner_tmpdir_reporting.q9s3C0siDnzp/mvce.rs`
error: internal compiler error: compiler/rustc_middle/src/ty/typeck_results.rs:516:9: node HirId(DefId(0:5 ~ mvce[3cdb]::inside_const_generic_arguments::{constant#0}::_check_try_binds_tighter).22) (pat `?`) cannot be placed in TypeckResults with hir_owner DefId(0:3 ~ mvce[3cdb]::inside_const_generic_arguments)
thread 'rustc' panicked at compiler/rustc_middle/src/ty/typeck_results.rs:516:9:
Box<dyn Any>
stack backtrace:
0: 0x70e86f8a7fd5 - std::backtrace_rs::backtrace::libunwind::trace::h1cdb3aae9e716c62
at /rustc/6e6c72174207174077905315d13cbf7ed9043475/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
1: 0x70e86f8a7fd5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9ec1f51cb8102203
at /rustc/6e6c72174207174077905315d13cbf7ed9043475/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x70e86f8a7fd5 - std::sys_common::backtrace::_print_fmt::h85eeda16f225320a
at /rustc/6e6c72174207174077905315d13cbf7ed9043475/library/std/src/sys_common/backtrace.rs:68:5
3: 0x70e86f8a7fd5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hede8172328998e49
at /rustc/6e6c72174207174077905315d13cbf7ed9043475/library/std/src/sys_common/backtrace.rs:44:22
4: 0x70e86f8f907b - core::fmt::rt::Argument::fmt::hba5d759c064c95c5
at /rustc/6e6c72174207174077905315d13cbf7ed9043475/library/core/src/fmt/rt.rs:142:9
5: 0x70e86f8f907b - core::fmt::write::hf086980a26af942b
at /rustc/6e6c72174207174077905315d13cbf7ed9043475/library/core/src/fmt/mod.rs:1153:17
6: 0x70e86f89cd6f - std::io::Write::write_fmt::hdfe8d230b9fd97fa
at /rustc/6e6c72174207174077905315d13cbf7ed9043475/library/std/src/io/mod.rs:1843:15
7: 0x70e86f8a7dae - std::sys_common::backtrace::_print::h1daedb81dca4778b
at /rustc/6e6c72174207174077905315d13cbf7ed9043475/library/std/src/sys_common/backtrace.rs:47:5
8: 0x70e86f8a7dae - std::sys_common::backtrace::print::h2fa4d30d30da3cc6
at /rustc/6e6c72174207174077905315d13cbf7ed9043475/library/std/src/sys_common/backtrace.rs:34:9
9: 0x70e86f8aaa29 - std::panicking::default_hook::{{closure}}::h9f247972f9641610
10: 0x70e86f8aa793 - std::panicking::default_hook::h0c5ad258fb6e0305
at /rustc/6e6c72174207174077905315d13cbf7ed9043475/library/std/src/panicking.rs:292:9
11: 0x70e86c1d1b0e - std[5d6da9fc2dd33dc8]::panicking::update_hook::<alloc[21580a3477285022]::boxed::Box<rustc_driver_impl[656315df70dcce67]::install_ice_hook::{closure#0}>>::{closure#0}
12: 0x70e86f8ab1c8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h23f243faf825930a
at /rustc/6e6c72174207174077905315d13cbf7ed9043475/library/alloc/src/boxed.rs:2029:9
13: 0x70e86f8ab1c8 - std::panicking::rust_panic_with_hook::hb4d197df9999e0e8
at /rustc/6e6c72174207174077905315d13cbf7ed9043475/library/std/src/panicking.rs:789:13
14: 0x70e86c201ed4 - std[5d6da9fc2dd33dc8]::panicking::begin_panic::<rustc_errors[9d5cef82b9a3e353]::ExplicitBug>::{closure#0}
15: 0x70e86c1feb26 - std[5d6da9fc2dd33dc8]::sys_common::backtrace::__rust_end_short_backtrace::<std[5d6da9fc2dd33dc8]::panicking::begin_panic<rustc_errors[9d5cef82b9a3e353]::ExplicitBug>::{closure#0}, !>
16: 0x70e86c1fa006 - std[5d6da9fc2dd33dc8]::panicking::begin_panic::<rustc_errors[9d5cef82b9a3e353]::ExplicitBug>
17: 0x70e86c20b361 - <rustc_errors[9d5cef82b9a3e353]::diagnostic::BugAbort as rustc_errors[9d5cef82b9a3e353]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
18: 0x70e86c69e78c - rustc_middle[e8025680359624cb]::util::bug::opt_span_bug_fmt::<rustc_span[48823b6f182ee304]::span_encoding::Span>::{closure#0}
19: 0x70e86c681dea - rustc_middle[e8025680359624cb]::ty::context::tls::with_opt::<rustc_middle[e8025680359624cb]::util::bug::opt_span_bug_fmt<rustc_span[48823b6f182ee304]::span_encoding::Span>::{closure#0}, !>::{closure#0}
20: 0x70e86c681c6b - rustc_middle[e8025680359624cb]::ty::context::tls::with_context_opt::<rustc_middle[e8025680359624cb]::ty::context::tls::with_opt<rustc_middle[e8025680359624cb]::util::bug::opt_span_bug_fmt<rustc_span[48823b6f182ee304]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
21: 0x70e86ab90a30 - rustc_middle[e8025680359624cb]::util::bug::bug_fmt
22: 0x70e86c69cecb - rustc_middle[e8025680359624cb]::ty::typeck_results::invalid_hir_id_for_typeck_results
23: 0x70e86d810ffb - <rustc_hir_typeck[cfd541997e587d04]::fn_ctxt::FnCtxt>::write_ty
24: 0x70e86dfbdb1c - <rustc_hir_typeck[cfd541997e587d04]::fn_ctxt::FnCtxt>::check_decl
25: 0x70e86dfcdf6f - <rustc_hir_typeck[cfd541997e587d04]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
26: 0x70e86dfcbd47 - <rustc_hir_typeck[cfd541997e587d04]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
27: 0x70e86dfc52fe - <rustc_hir_typeck[cfd541997e587d04]::fn_ctxt::FnCtxt>::check_block_with_expected
28: 0x70e86dfcdd1e - <rustc_hir_typeck[cfd541997e587d04]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
29: 0x70e86dfc52fe - <rustc_hir_typeck[cfd541997e587d04]::fn_ctxt::FnCtxt>::check_block_with_expected
30: 0x70e86dfca5c7 - <rustc_hir_typeck[cfd541997e587d04]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
31: 0x70e86d8127e1 - rustc_hir_typeck[cfd541997e587d04]::check::check_fn
32: 0x70e86d807aa0 - rustc_hir_typeck[cfd541997e587d04]::typeck
33: 0x70e86d80744d - rustc_query_impl[6c4e8b3ddff8f946]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[6c4e8b3ddff8f946]::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[e8025680359624cb]::query::erase::Erased<[u8; 8usize]>>
34: 0x70e86d7f55ae - rustc_query_system[e9865ec3fae05f1d]::query::plumbing::try_execute_query::<rustc_query_impl[6c4e8b3ddff8f946]::DynamicConfig<rustc_query_system[e9865ec3fae05f1d]::query::caches::VecCache<rustc_span[48823b6f182ee304]::def_id::LocalDefId, rustc_middle[e8025680359624cb]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[6c4e8b3ddff8f946]::plumbing::QueryCtxt, false>
35: 0x70e86d7f1b4c - rustc_query_impl[6c4e8b3ddff8f946]::query_impl::typeck::get_query_non_incr::__rust_end_short_backtrace
36: 0x70e86d7f1725 - <rustc_middle[e8025680359624cb]::hir::map::Map>::par_body_owners::<rustc_hir_analysis[889266602bc58f42]::check_crate::{closure#4}>::{closure#0}
37: 0x70e86d7f03ce - rustc_hir_analysis[889266602bc58f42]::check_crate
38: 0x70e86da9d2ea - rustc_interface[86cb8057b0ec8d30]::passes::analysis
39: 0x70e86da9ce51 - rustc_query_impl[6c4e8b3ddff8f946]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[6c4e8b3ddff8f946]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[e8025680359624cb]::query::erase::Erased<[u8; 1usize]>>
40: 0x70e86e424983 - rustc_query_system[e9865ec3fae05f1d]::query::plumbing::try_execute_query::<rustc_query_impl[6c4e8b3ddff8f946]::DynamicConfig<rustc_query_system[e9865ec3fae05f1d]::query::caches::SingleCache<rustc_middle[e8025680359624cb]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[6c4e8b3ddff8f946]::plumbing::QueryCtxt, false>
41: 0x70e86e4246ff - rustc_query_impl[6c4e8b3ddff8f946]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
42: 0x70e86e286119 - rustc_interface[86cb8057b0ec8d30]::interface::run_compiler::<core[7430aa1e3e74584a]::result::Result<(), rustc_span[48823b6f182ee304]::ErrorGuaranteed>, rustc_driver_impl[656315df70dcce67]::run_compiler::{closure#0}>::{closure#0}
43: 0x70e86e356159 - std[5d6da9fc2dd33dc8]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[86cb8057b0ec8d30]::util::run_in_thread_with_globals<rustc_interface[86cb8057b0ec8d30]::util::run_in_thread_pool_with_globals<rustc_interface[86cb8057b0ec8d30]::interface::run_compiler<core[7430aa1e3e74584a]::result::Result<(), rustc_span[48823b6f182ee304]::ErrorGuaranteed>, rustc_driver_impl[656315df70dcce67]::run_compiler::{closure#0}>::{closure#0}, core[7430aa1e3e74584a]::result::Result<(), rustc_span[48823b6f182ee304]::ErrorGuaranteed>>::{closure#0}, core[7430aa1e3e74584a]::result::Result<(), rustc_span[48823b6f182ee304]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[7430aa1e3e74584a]::result::Result<(), rustc_span[48823b6f182ee304]::ErrorGuaranteed>>
44: 0x70e86e355f86 - <<std[5d6da9fc2dd33dc8]::thread::Builder>::spawn_unchecked_<rustc_interface[86cb8057b0ec8d30]::util::run_in_thread_with_globals<rustc_interface[86cb8057b0ec8d30]::util::run_in_thread_pool_with_globals<rustc_interface[86cb8057b0ec8d30]::interface::run_compiler<core[7430aa1e3e74584a]::result::Result<(), rustc_span[48823b6f182ee304]::ErrorGuaranteed>, rustc_driver_impl[656315df70dcce67]::run_compiler::{closure#0}>::{closure#0}, core[7430aa1e3e74584a]::result::Result<(), rustc_span[48823b6f182ee304]::ErrorGuaranteed>>::{closure#0}, core[7430aa1e3e74584a]::result::Result<(), rustc_span[48823b6f182ee304]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[7430aa1e3e74584a]::result::Result<(), rustc_span[48823b6f182ee304]::ErrorGuaranteed>>::{closure#1} as core[7430aa1e3e74584a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
45: 0x70e86f8b4989 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h84d955f5ab811df0
at /rustc/6e6c72174207174077905315d13cbf7ed9043475/library/alloc/src/boxed.rs:2015:9
46: 0x70e86f8b4989 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd578981ca621c5ee
at /rustc/6e6c72174207174077905315d13cbf7ed9043475/library/alloc/src/boxed.rs:2015:9
47: 0x70e86f8b4989 - std::sys::pal::unix::thread::Thread::new::thread_start::h0c57ccbc925fbfb1
at /rustc/6e6c72174207174077905315d13cbf7ed9043475/library/std/src/sys/pal/unix/thread.rs:108:17
48: 0x70e8690a955a - <unknown>
49: 0x70e869126a3c - <unknown>
50: 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 1.79.0-nightly (6e6c72174 2024-03-24) running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [typeck] type-checking `inside_const_generic_arguments`
#1 [analysis] running analysis passes on this crate
end of query stack
error[E0277]: the `?` operator can only be applied to values that implement `Try`
--> /tmp/icemaker_global_tempdir.Inyf7W2KFFFf/rustc_testrunner_tmpdir_reporting.q9s3C0siDnzp/mvce.rs:5:31
|
5 | while let 0 = 0? {}
| ^^ the `?` operator cannot be applied to type `{integer}`
|
= help: the trait `Try` is not implemented for `{integer}`
error[E0433]: failed to resolve: use of undeclared type `A`
--> /tmp/icemaker_global_tempdir.Inyf7W2KFFFf/rustc_testrunner_tmpdir_reporting.q9s3C0siDnzp/mvce.rs:2:15
|
2 | while let A::<
| ^ use of undeclared type `A`
error: aborting due to 4 previous errors
Some errors have detailed explanations: E0277, E0433, E0601.
For more information about an error, try `rustc --explain E0277`.