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taiki-e
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Apr 13, 2021
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| thread 'rustc' panicked at 'no errors encountered even though `delay_span_bug` issued', compiler/rustc_errors/src/lib.rs:1018:13 | ||
| stack backtrace: | ||
| 0: _rust_begin_unwind | ||
| 1: std::panicking::begin_panic_fmt | ||
| 2: rustc_errors::HandlerInner::flush_delayed | ||
| 3: <rustc_errors::HandlerInner as core::ops::drop::Drop>::drop | ||
| 4: core::ptr::drop_in_place<rustc_session::parse::ParseSess> | ||
| 5: <alloc::rc::Rc<T> as core::ops::drop::Drop>::drop | ||
| 6: core::ptr::drop_in_place<rustc_interface::interface::Compiler> | ||
| 7: rustc_span::with_source_map | ||
| 8: rustc_interface::interface::create_compiler_and_run | ||
| 9: scoped_tls::ScopedKey<T>::set | ||
| note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace. | ||
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| error: internal compiler error: unexpected panic | ||
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| note: the compiler unexpectedly panicked. this is a bug. | ||
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| 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 | ||
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| note: rustc 1.53.0-nightly (d0695c908 2021-04-12) running on x86_64-apple-darwin | ||
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| note: compiler flags: -C embed-bitcode=no -C split-debuginfo=unpacked -C debuginfo=2 --crate-type bin | ||
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| note: some of the compiler flags provided by cargo are hidden | ||
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| query stack during panic: | ||
| end of query stack |
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It's a bad idea to include an error message in the cross-platform ui test that includes the name of the toolchain and the target, so we need to avoid this.
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So I don't think we should rely on the behavior of rustc that handles this correctly. That is, all repr(packed ...) should be rejected on our part.
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They will be rejected by rustc, but we should not rely on the behavior of rustc that rejects them.
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bors r+ |
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Build succeeded: |
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