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On nightly, dump ICE backtraces to disk

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Implement rust-lang/compiler-team#578.

When an ICE is encountered on nightly releases, the new rustc panic
handler will also write the contents of the backtrace to disk. If any
`delay_span_bug`s are encountered, their backtrace is also added to the
file. The platform and rustc version will also be collected.
This commit is contained in:
Esteban Küber 2023-03-03 22:25:18 +00:00
parent 77e24f90f5
commit 8eb5843a59
30 changed files with 272 additions and 54 deletions
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1
tests/rustdoc-ui/ice-bug-report-url.rs
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@ -1,4 +1,5 @@
// compile-flags: -Ztreat-err-as-bug
// rustc-env:RUSTC_ICE=0
// failure-status: 101
// error-pattern: aborting due to
// error-pattern: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-rustdoc&template=ice.md