Closed
Description
Code
#![c = ({(while ""))();Meta
rustc --version --verbose:
rustc 1.67.0-nightly (234151769 2022-12-03)
binary: rustc
commit-hash: 23415176968e81e0aac92d0218612a89c4e68a82
commit-date: 2022-12-03
host: x86_64-unknown-linux-gnu
release: 1.67.0-nightly
LLVM version: 15.0.4
Error output
rustc -Zunpretty=ast-tree
--> 601109e5755a0079ced5ae51a466eeeddb90f965.rs:6:2
|
1 | #![c = ({(while ""))();
| - unclosed delimiter
...
6 |
| ^
error: expected `{`, found `)`
--> 601109e5755a0079ced5ae51a466eeeddb90f965.rs:1:19
|
1 | #![c = ({(while ""))();
| ----- --^ expected `{`
| | |
| | this `while` condition successfully parsed
| while parsing the body of this `while` expression
error: expected expression, found `]`
--> 601109e5755a0079ced5ae51a466eeeddb90f965.rs:6:2
|
6 |
| ^ expected expression
error: expected one of `)`, `.`, `?`, `]`, `}`, or an operator, found `<eof>`
--> 601109e5755a0079ced5ae51a466eeeddb90f965.rs:1:9
|
1 | #![c = ({(while ""))();
| ^ unclosed delimiter
...
6 |
| ^ help: `}` may belong here
Backtrace
thread '<unnamed>' panicked at 'called `Option::unwrap()` on a `None` value', compiler/rustc_parse/src/parser/attr_wrapper.rs:415:45
stack backtrace:
0: 0x7f6584f6625a - std::backtrace_rs::backtrace::libunwind::trace::h39c51bcedb139b44
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
1: 0x7f6584f6625a - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf890f6f509d0c3
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7f6584f6625a - std::sys_common::backtrace::_print_fmt::h4a0d7673c4689a86
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/std/src/sys_common/backtrace.rs:65:5
3: 0x7f6584f6625a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed99d8097fd95926
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/std/src/sys_common/backtrace.rs:44:22
4: 0x7f6584fc8e4e - core::fmt::write::hdab16ae0136a16af
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/mod.rs:1208:17
5: 0x7f6584f56675 - std::io::Write::write_fmt::h9619f0289bf5af21
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/std/src/io/mod.rs:1682:15
6: 0x7f6584f66025 - std::sys_common::backtrace::_print::h2fbe09348ca97657
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/std/src/sys_common/backtrace.rs:47:5
7: 0x7f6584f66025 - std::sys_common::backtrace::print::h72058f5ceb813403
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/std/src/sys_common/backtrace.rs:34:9
8: 0x7f6584f68d6f - std::panicking::default_hook::{{closure}}::h1542b395e584376b
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/std/src/panicking.rs:267:22
9: 0x7f6584f68aab - std::panicking::default_hook::hf92492522bb6bc51
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/std/src/panicking.rs:286:9
10: 0x7f6584f6958c - std::panicking::rust_panic_with_hook::h8e3ba576266d6126
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/std/src/panicking.rs:688:13
11: 0x7f6584f692e2 - std::panicking::begin_panic_handler::{{closure}}::h5718d689762256a1
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/std/src/panicking.rs:577:13
12: 0x7f6584f6670c - std::sys_common::backtrace::__rust_end_short_backtrace::hb4469c61f2390e29
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/std/src/sys_common/backtrace.rs:137:18
13: 0x7f6584f69032 - rust_begin_unwind
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/std/src/panicking.rs:575:5
14: 0x7f6584fc5863 - core::panicking::panic_fmt::h4dafe9d2577d7060
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/panicking.rs:64:14
15: 0x7f6584fc593d - core::panicking::panic::h9c1c5c325ce19e28
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/panicking.rs:111:5
16: 0x7f65877a8f8c - <rustc_parse[ca2e37bb52d9ff08]::parser::attr_wrapper::LazyAttrTokenStreamImpl as rustc_ast[56a23deec7d2f949]::tokenstream::ToAttrTokenStream>::to_attr_token_stream
17: 0x7f6587f0a926 - <rustc_ast[56a23deec7d2f949]::tokenstream::LazyAttrTokenStream as core[ec9ef0a26f3cf28]::fmt::Debug>::fmt
18: 0x7f6584fc63b5 - core::fmt::builders::DebugTuple::field::{{closure}}::h37a216a421c6a64f
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:317:17
19: 0x7f6584fc63b5 - core::result::Result<T,E>::and_then::ha646669375a7cc05
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/result.rs:1372:22
20: 0x7f6584fc63b5 - core::fmt::builders::DebugTuple::field::h3f0dc90ef92ed759
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:309:23
21: 0x7f6584fca439 - core::fmt::Formatter::debug_tuple_field1_finish::ha3d740adf26beb14
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/mod.rs:2139:9
22: 0x7f6587efbbaf - <&core[ec9ef0a26f3cf28]::option::Option<rustc_ast[56a23deec7d2f949]::tokenstream::LazyAttrTokenStream> as core[ec9ef0a26f3cf28]::fmt::Debug>::fmt
23: 0x7f6584fc615f - core::fmt::builders::DebugStruct::field::{{closure}}::h57980c21e691a114
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:134:17
24: 0x7f6584fc615f - core::result::Result<T,E>::and_then::h9421d61926c79c01
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/result.rs:1372:22
25: 0x7f6584fc615f - core::fmt::builders::DebugStruct::field::h30227c010224fcf4
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:124:23
26: 0x7f6584fca249 - core::fmt::Formatter::debug_struct_field5_finish::h76f021d50af8fbf6
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/mod.rs:2080:9
27: 0x7f6587ef1f2c - <rustc_ast[56a23deec7d2f949]::ast::Expr as core[ec9ef0a26f3cf28]::fmt::Debug>::fmt
28: 0x7f6584fc63b5 - core::fmt::builders::DebugTuple::field::{{closure}}::h37a216a421c6a64f
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:317:17
29: 0x7f6584fc63b5 - core::result::Result<T,E>::and_then::ha646669375a7cc05
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/result.rs:1372:22
30: 0x7f6584fc63b5 - core::fmt::builders::DebugTuple::field::h3f0dc90ef92ed759
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:309:23
31: 0x7f6584fca439 - core::fmt::Formatter::debug_tuple_field1_finish::ha3d740adf26beb14
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/mod.rs:2139:9
32: 0x7f6587ef2e45 - <rustc_ast[56a23deec7d2f949]::ast::AttrArgsEq as core[ec9ef0a26f3cf28]::fmt::Debug>::fmt
33: 0x7f6584fc63b5 - core::fmt::builders::DebugTuple::field::{{closure}}::h37a216a421c6a64f
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:317:17
34: 0x7f6584fc63b5 - core::result::Result<T,E>::and_then::ha646669375a7cc05
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/result.rs:1372:22
35: 0x7f6584fc63b5 - core::fmt::builders::DebugTuple::field::h3f0dc90ef92ed759
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:309:23
36: 0x7f6584fca512 - core::fmt::Formatter::debug_tuple_field2_finish::habd6ca74075a4a8f
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/mod.rs:2155:9
37: 0x7f6587ef2dee - <rustc_ast[56a23deec7d2f949]::ast::AttrArgs as core[ec9ef0a26f3cf28]::fmt::Debug>::fmt
38: 0x7f6584fc615f - core::fmt::builders::DebugStruct::field::{{closure}}::h57980c21e691a114
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:134:17
39: 0x7f6584fc615f - core::result::Result<T,E>::and_then::h9421d61926c79c01
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/result.rs:1372:22
40: 0x7f6584fc615f - core::fmt::builders::DebugStruct::field::h30227c010224fcf4
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:124:23
41: 0x7f6584fc9fda - core::fmt::Formatter::debug_struct_field3_finish::h0b088461cc839e4a
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/mod.rs:2028:9
42: 0x7f6587eed50d - <&rustc_ast[56a23deec7d2f949]::ast::AttrItem as core[ec9ef0a26f3cf28]::fmt::Debug>::fmt
43: 0x7f6584fc615f - core::fmt::builders::DebugStruct::field::{{closure}}::h57980c21e691a114
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:134:17
44: 0x7f6584fc615f - core::result::Result<T,E>::and_then::h9421d61926c79c01
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/result.rs:1372:22
45: 0x7f6584fc615f - core::fmt::builders::DebugStruct::field::h30227c010224fcf4
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:124:23
46: 0x7f6584fc9ef4 - core::fmt::Formatter::debug_struct_field2_finish::he73c086eb7141c7a
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/mod.rs:2007:9
47: 0x7f6587ef4f12 - <rustc_ast[56a23deec7d2f949]::ast::NormalAttr as core[ec9ef0a26f3cf28]::fmt::Debug>::fmt
48: 0x7f6584fc63b5 - core::fmt::builders::DebugTuple::field::{{closure}}::h37a216a421c6a64f
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:317:17
49: 0x7f6584fc63b5 - core::result::Result<T,E>::and_then::ha646669375a7cc05
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/result.rs:1372:22
50: 0x7f6584fc63b5 - core::fmt::builders::DebugTuple::field::h3f0dc90ef92ed759
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:309:23
51: 0x7f6584fca439 - core::fmt::Formatter::debug_tuple_field1_finish::ha3d740adf26beb14
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/mod.rs:2139:9
52: 0x7f6587ef4ea8 - <rustc_ast[56a23deec7d2f949]::ast::AttrKind as core[ec9ef0a26f3cf28]::fmt::Debug>::fmt
53: 0x7f6584fc615f - core::fmt::builders::DebugStruct::field::{{closure}}::h57980c21e691a114
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:134:17
54: 0x7f6584fc615f - core::result::Result<T,E>::and_then::h9421d61926c79c01
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/result.rs:1372:22
55: 0x7f6584fc615f - core::fmt::builders::DebugStruct::field::h30227c010224fcf4
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:124:23
56: 0x7f6584fca0b1 - core::fmt::Formatter::debug_struct_field4_finish::h6299e00de25fac79
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/mod.rs:2050:9
57: 0x7f6587ef4e1a - <rustc_ast[56a23deec7d2f949]::ast::Attribute as core[ec9ef0a26f3cf28]::fmt::Debug>::fmt
58: 0x7f6584fc6550 - core::fmt::builders::DebugInner::entry::{{closure}}::h770fe7d30810a1aa
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:388:17
59: 0x7f6584fc6550 - core::result::Result<T,E>::and_then::h89ad0f5adbf63705
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/result.rs:1372:22
60: 0x7f6584fc6550 - core::fmt::builders::DebugInner::entry::h89e8f2f2f4f9debb
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:380:23
61: 0x7f6584fc6589 - core::fmt::builders::DebugSet::entry::h495dd716c19b682e
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:469:9
62: 0x7f6587f0d50d - <core[ec9ef0a26f3cf28]::fmt::builders::DebugList>::entries::<&rustc_ast[56a23deec7d2f949]::ast::Attribute, core[ec9ef0a26f3cf28]::slice::iter::Iter<rustc_ast[56a23deec7d2f949]::ast::Attribute>>
63: 0x7f6587eee2f3 - <[rustc_ast[56a23deec7d2f949]::ast::Attribute] as core[ec9ef0a26f3cf28]::fmt::Debug>::fmt
64: 0x7f6584fc615f - core::fmt::builders::DebugStruct::field::{{closure}}::h57980c21e691a114
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:134:17
65: 0x7f6584fc615f - core::result::Result<T,E>::and_then::h9421d61926c79c01
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/result.rs:1372:22
66: 0x7f6584fc615f - core::fmt::builders::DebugStruct::field::h30227c010224fcf4
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/builders.rs:124:23
67: 0x7f6584fca1c4 - core::fmt::Formatter::debug_struct_field5_finish::h76f021d50af8fbf6
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/mod.rs:2076:9
68: 0x7f6587ef0d3c - <rustc_ast[56a23deec7d2f949]::ast::Crate as core[ec9ef0a26f3cf28]::fmt::Debug>::fmt
69: 0x7f6584fc8de2 - core::fmt::run::he4931553894777da
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/mod.rs:1256:5
70: 0x7f6584fc8de2 - core::fmt::write::hdab16ae0136a16af
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/mod.rs:1224:26
71: 0x7f6584fbae6f - core::fmt::Write::write_fmt::hbbb7900d3b190c17
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/core/src/fmt/mod.rs:192:9
72: 0x7f6584fbae6f - alloc::fmt::format::format_inner::hfe803e253f8127ed
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/alloc/src/fmt.rs:612:9
73: 0x7f65882ec74d - rustc_driver[d87acf87108c2deb]::pretty::print_after_parsing
74: 0x7f6587443ea0 - <rustc_interface[c57545daadc3fa09]::interface::Compiler>::enter::<rustc_driver[d87acf87108c2deb]::run_compiler::{closure#1}::{closure#2}, core[ec9ef0a26f3cf28]::result::Result<core[ec9ef0a26f3cf28]::option::Option<rustc_interface[c57545daadc3fa09]::queries::Linker>, rustc_errors[57b9e96b8e7428c]::ErrorGuaranteed>>
75: 0x7f658743e978 - rustc_span[653636119034ca50]::with_source_map::<core[ec9ef0a26f3cf28]::result::Result<(), rustc_errors[57b9e96b8e7428c]::ErrorGuaranteed>, rustc_interface[c57545daadc3fa09]::interface::run_compiler<core[ec9ef0a26f3cf28]::result::Result<(), rustc_errors[57b9e96b8e7428c]::ErrorGuaranteed>, rustc_driver[d87acf87108c2deb]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
76: 0x7f658743e465 - <scoped_tls[2510ce566f7fd87d]::ScopedKey<rustc_span[653636119034ca50]::SessionGlobals>>::set::<rustc_interface[c57545daadc3fa09]::interface::run_compiler<core[ec9ef0a26f3cf28]::result::Result<(), rustc_errors[57b9e96b8e7428c]::ErrorGuaranteed>, rustc_driver[d87acf87108c2deb]::run_compiler::{closure#1}>::{closure#0}, core[ec9ef0a26f3cf28]::result::Result<(), rustc_errors[57b9e96b8e7428c]::ErrorGuaranteed>>
77: 0x7f658743da52 - std[b988c8daa9554a2a]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[c57545daadc3fa09]::util::run_in_thread_pool_with_globals<rustc_interface[c57545daadc3fa09]::interface::run_compiler<core[ec9ef0a26f3cf28]::result::Result<(), rustc_errors[57b9e96b8e7428c]::ErrorGuaranteed>, rustc_driver[d87acf87108c2deb]::run_compiler::{closure#1}>::{closure#0}, core[ec9ef0a26f3cf28]::result::Result<(), rustc_errors[57b9e96b8e7428c]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[ec9ef0a26f3cf28]::result::Result<(), rustc_errors[57b9e96b8e7428c]::ErrorGuaranteed>>
78: 0x7f6587ba6848 - <<std[b988c8daa9554a2a]::thread::Builder>::spawn_unchecked_<rustc_interface[c57545daadc3fa09]::util::run_in_thread_pool_with_globals<rustc_interface[c57545daadc3fa09]::interface::run_compiler<core[ec9ef0a26f3cf28]::result::Result<(), rustc_errors[57b9e96b8e7428c]::ErrorGuaranteed>, rustc_driver[d87acf87108c2deb]::run_compiler::{closure#1}>::{closure#0}, core[ec9ef0a26f3cf28]::result::Result<(), rustc_errors[57b9e96b8e7428c]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[ec9ef0a26f3cf28]::result::Result<(), rustc_errors[57b9e96b8e7428c]::ErrorGuaranteed>>::{closure#1} as core[ec9ef0a26f3cf28]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
79: 0x7f65890b07f3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd24e4095bea58fc3
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/alloc/src/boxed.rs:2000:9
80: 0x7f65890b07f3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7c7f47af88aff778
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/alloc/src/boxed.rs:2000:9
81: 0x7f65890b07f3 - std::sys::unix::thread::Thread::new::thread_start::h8d5de08b8b3f2cac
at /rustc/23415176968e81e0aac92d0218612a89c4e68a82/library/std/src/sys/unix/thread.rs:108:17
82: 0x7f6584d068fd - <unknown>
83: 0x7f6584d88a60 - <unknown>
84: 0x0 - <unknown>
error: aborting due to 4 previous errors
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Category: This is a bug.Call for participation: An issue has been fixed and does not reproduce, but no test has been added.Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Relevant to the compiler team, which will review and decide on the PR/issue.ICE tracked in rust-lang/glacier.This issue requires a nightly compiler in some way.