Closed
Description
Code
#[path = b"ffi.rs"]
mod ffi;
fn main() {
}Meta
rustc 1.51.0-nightly (c5a96fb79 2021-01-19)
binary: rustc
commit-hash: c5a96fb7973649807a7943e7395456db158dcab6
commit-date: 2021-01-19
host: x86_64-unknown-linux-gnu
release: 1.51.0-nightly
LLVM version: 11.0.1
Also tested on rustc 1.49.0 (e1884a8e3 2020-12-29) and rustc 1.50.0-beta.6 (ea20aa255 2021-01-14), it errored without ICEing on 1.49 and ICEd on 1.50 so
@rustbot modify labels: +regression-from-stable-to-beta
Error output
Compiling foo v0.1.0 (/tmp/tmp.BmkigLzpQI/foo)
error: byte constant must be ASCII. Use a \xHH escape for a non-ASCII byte
--> src/main.rs:1:12
|
1 | #[path = b"ffi.rs"]
| ^
error[E0583]: file not found for module `ffi`
--> src/main.rs:2:1
|
2 | mod ffi;
| ^^^^^^^^
|
= help: to create the module `ffi`, create file "src/ffi.rs"
error: malformed `path` attribute input
--> src/main.rs:1:1
|
1 | #[path = b"ffi.rs"]
| ^^^^^^^^^^^^^^^^^ help: must be of the form: `#[path = "file"]`
thread 'rustc' panicked at 'assertion failed: bpos.to_u32() >= mbc.pos.to_u32() + mbc.bytes as u32', compiler/rustc_span/src/lib.rs:1511:17
error: internal compiler error: unexpected panic
note: rustc 1.51.0-nightly (c5a96fb79 2021-01-19) running on x86_64-unknown-linux-gnu
note: compiler flags: -C embed-bitcode=no -C debuginfo=2 -C incremental -C link-arg=-fuse-ld=lld -C target-cpu=native --crate-type bin
note: some of the compiler flags provided by cargo are hidden
query stack during panic:
end of query stack
error: aborting due to 3 previous errors
Backtrace
0: rust_begin_unwind
at /rustc/c5a96fb7973649807a7943e7395456db158dcab6/library/std/src/panicking.rs:493:5
1: core::panicking::panic_fmt
at /rustc/c5a96fb7973649807a7943e7395456db158dcab6/library/core/src/panicking.rs:92:14
2: core::panicking::panic
at /rustc/c5a96fb7973649807a7943e7395456db158dcab6/library/core/src/panicking.rs:50:5
3: rustc_span::SourceFile::lookup_file_pos
4: rustc_span::SourceFile::lookup_file_pos_with_col_display
5: rustc_span::source_map::SourceMap::lookup_char_pos
6: rustc_errors::emitter::EmitterWriter::get_multispan_max_line_num
7: <rustc_errors::emitter::EmitterWriter as rustc_errors::emitter::Emitter>::emit_diagnostic
8: rustc_errors::json::Diagnostic::from_errors_diagnostic
9: <rustc_errors::json::JsonEmitter as rustc_errors::emitter::Emitter>::emit_diagnostic
10: rustc_errors::HandlerInner::emit_diagnostic
11: rustc_errors::Handler::emit_diag_at_span
12: rustc_errors::Handler::span_err
13: rustc_parse::lexer::unescape_error_reporting::emit_unescape_error
14: rustc_lexer::unescape::unescape_literal
15: rustc_parse::lexer::StringReader::next_token
16: rustc_parse::lexer::tokentrees::TokenTreesReader::parse_all_token_trees
17: rustc_parse::lexer::parse_token_trees
18: rustc_parse::maybe_file_to_stream
19: rustc_parse::source_file_to_stream
20: rustc_parse::parse_stream_from_source_str
21: rustc_parse::fake_token_stream
22: rustc_parse::nt_to_tokenstream
23: rustc_ast_lowering::TokenStreamLowering::lower_token
24: rustc_ast_lowering::LoweringContext::lower_mac_args
25: rustc_ast_lowering::LoweringContext::lower_attr
26: <smallvec::SmallVec<A> as core::iter::traits::collect::Extend<<A as smallvec::Array>::Item>>::extend
27: rustc_ast_lowering::LoweringContext::lower_attrs
28: rustc_ast_lowering::item::<impl rustc_ast_lowering::LoweringContext>::lower_item
29: rustc_ast_lowering::LoweringContext::with_hir_id_owner
30: <rustc_ast_lowering::item::ItemLowerer as rustc_ast::visit::Visitor>::visit_mod
31: rustc_ast_lowering::lower_crate
32: rustc_interface::passes::BoxedResolver::access::{{closure}}
33: rustc_interface::passes::configure_and_expand::{{closure}}
34: rustc_interface::passes::BoxedResolver::access
35: rustc_interface::queries::Queries::lower_to_hir
36: rustc_interface::queries::Queries::global_ctxt
37: rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter
38: rustc_span::with_source_map
39: rustc_interface::interface::create_compiler_and_run
40: rustc_span::with_session_globals