Closed
Description
openedon Aug 3, 2022
Code
#![feature(try_blocks)]
#![feature(let_else)]
fn main() {
let _: Result<i32, i32> = try {
let Some(x) = Some(0) else {
Err(1)?
};
x
};
}Meta
rustc --version --verbose:
rustc 1.64.0-nightly (4493a0f47 2022-08-02)
binary: rustc
commit-hash: 4493a0f4724c0bae1436242d76cccc9c0a287b80
commit-date: 2022-08-02
host: x86_64-pc-windows-msvc
release: 1.64.0-nightly
LLVM version: 14.0.6
Error output
error: internal compiler error: no errors encountered even though `delay_span_bug` issued
error: internal compiler error: broken MIR in DefId(0:3 ~ tst[ba3f]::main) (_0 = _11): bad assignment (() = !): NoSolution
--> src\main.rs:7:13
|
7 | Err(1)?
| ^^^^^^^
|
= note: delayed at compiler\rustc_borrowck\src\type_check\mod.rs:1273:21
Backtrace
warning: Error finalizing incremental compilation session directory `\\?\C:\Users\QWERTY\CLionProjects\tst\target\debug\incremental\tst-2tyoqd6xyashy\s-gc907kqbnn-3utrm0-working`: The
system cannot find the file specified. (os error 2)
error: internal compiler error: no errors encountered even though `delay_span_bug` issued
error: internal compiler error: broken MIR in DefId(0:3 ~ tst[ba3f]::main) (_0 = _11): bad assignment (() = !): NoSolution
--> src\main.rs:7:13
|
7 | Err(1)?
| ^^^^^^^
|
= note: delayed at compiler\rustc_borrowck\src\type_check\mod.rs:1273:21
thread 'rustc' panicked at 'Box<dyn Any>', compiler\rustc_errors\src\lib.rs:1426:13
stack backtrace:
0: 0x7ffd5713a2df - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfdc7a2cc264e6509
1: 0x7ffd5717601a - core::fmt::write::h0f908d637b50c6af
2: 0x7ffd5712ceea - <std::io::IoSliceMut as core::fmt::Debug>::fmt::h15a91224f38ef438
3: 0x7ffd5713dceb - std::panicking::default_hook::hbf41b655c2698377
4: 0x7ffd5713d911 - std::panicking::default_hook::hbf41b655c2698377
5: 0x7ffd32a3bee1 - <rustc_session[376c17906c2155d1]::options::WasiExecModel as rustc_session[376c17906c2155d1]::config::dep_tracking::DepTrackingHash>::hash
6: 0x7ffd5713e6cc - std::panicking::rust_panic_with_hook::h43e63fbaeccfd4a6
7: 0x7ffd34caf313 - <rustc_errors[b9e08c6509a05373]::annotate_snippet_emitter_writer::AnnotateSnippetEmitterWriter>::ui_testing
8: 0x7ffd34caf0b9 - <rustc_errors[b9e08c6509a05373]::annotate_snippet_emitter_writer::AnnotateSnippetEmitterWriter>::ui_testing
9: 0x7ffd34ca49a9 - <rustc_errors[b9e08c6509a05373]::emitter::FileWithAnnotatedLines as core[36f99f4866a80ce5]::fmt::Debug>::fmt
10: 0x7ffd34c99da9 - <rustc_feature[260e98188d46b7aa]::builtin_attrs::AttributeType as core[36f99f4866a80ce5]::fmt::Debug>::fmt
11: 0x7ffd3129aabd - <rustc_errors[b9e08c6509a05373]::HandlerInner as core[36f99f4866a80ce5]::ops::drop::Drop>::drop
12: 0x7ffd303d80d9 - <rustc_middle[c4caad5b04e39e5d]::ty::SymbolName as core[36f99f4866a80ce5]::fmt::Debug>::fmt
13: 0x7ffd303db92f - <rustc_middle[c4caad5b04e39e5d]::ty::SymbolName as core[36f99f4866a80ce5]::fmt::Debug>::fmt
14: 0x7ffd303c886d - <unknown>
15: 0x7ffd303d65b7 - <unknown>
16: 0x7ffd303ee4c7 - rustc_driver[5be5b24934faa65c]::args::arg_expand_all
17: 0x7ffd303d7bd9 - <unknown>
18: 0x7ffd303dd35d - <rustc_middle[c4caad5b04e39e5d]::ty::SymbolName as core[36f99f4866a80ce5]::fmt::Debug>::fmt
19: 0x7ffd5714f82c - std::sys::windows::thread::Thread::new::hed1234cb21584066
20: 0x7ffdc6277974 - BaseThreadInitThunk
21: 0x7ffdc8c8a2f1 - RtlUserThreadStart
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 1.64.0-nightly (4493a0f47 2022-08-02) running on x86_64-pc-windows-msvc
note: compiler flags: --crate-type bin -C embed-bitcode=no -C debuginfo=2 -C incremental
note: some of the compiler flags provided by cargo are hidden
query stack during panic:
end of query stack
warning: `tst` (bin "tst") generated 1 warning
error: could not compile `tst`; 1 warning emitted
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