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`panic!` does not print any identifying information for threads that are
unnamed. However, in many cases, the thread ID can be determined.
This changes the panic message from something like this:
thread '<unnamed>' panicked at src/main.rs:3:5:
explicit panic
To something like this:
thread '<unnamed>' (0xff9bf) panicked at src/main.rs:3:5:
explicit panic
Stack overflow messages are updated as well.
This change applies to both named and unnamed threads. The ID printed is
the OS integer thread ID rather than the Rust thread ID, which should
also be what debuggers print.
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`tests/ui`: A New Order [28/28] FINAL PART
> [!NOTE]
>
> Intermediate commits are intended to help review, but will be squashed prior to merge.
Some `tests/ui/` housekeeping, to trim down number of tests directly under `tests/ui/`. Part of rust-lang/rust#133895.
r? ``@tgross35``
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- Remove unnecessary `mut`, remove `#[allow(unused_mut)]`.
- Replace `ignore-*` with `needs-subprocess`.
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- Unwrap a must-use I/O result and remove `#![allow(unused_must_use)]`.
- Replace `ignore-*` with `needs-subprocess`.
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- Remove already stable feature gate and remove
`#![allow(stable_features)]`.
- Replace `ignore-*` with `needs-subprocess`.
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- Remove unnecessary `mut` and remove `#![allow(unused_mut)]`.
- Replace `ignore-*` with `needs-process`.
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- Replace `ignore-windows` with `only-unix`.
- Replace `ignore-*` with `needs-subprocess`.
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- Replace `ignore-windows` with `only-unix`.
- Replace `ignore-*` with `needs-subprocess`.
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- Remove unnecessary `#![allow(unused_imports)]`.
- Replace `ignore-*` with `needs-subprocess`.
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- Remove already stable feature gate and remove
`#![allow(stable_features)]`.
- Replace `ignore-*` with `needs-subprocess`.
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- Replace `ignore-windows` -> `only-unix` since the test exercises Unix
signals and `ExitStatus::code` behavior that's specific to Unix.
- Replace `ignore-*` with `needs-subprocess`.
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- Remove redundant `#![allow(stable_features)]`.
- Replace `ignore-*` with `needs-subprocess`.
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To fix the linker errors, we need to set the output extension to `.js` instead
of `.wasm`. Setting the output to a `.wasm` file puts Emscripten into standalone
mode which is effectively a distinct target. We need to set the runner to be
`node` as well.
This fixes most of the ui tests. I fixed a few more tests with simple problems:
- `intrinsics/intrinsic-alignment.rs` and `structs-enums/rec-align-u64.rs` --
Two `#[cfg]` macros match for Emscripten so we got a duplicate definition of
`mod m`.
- `issues/issue-12699.rs` -- Seems to hang so I disabled it
- `process/process-sigpipe.rs` -- Not expected to work on Emscripten so I
disabled it
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- Move super-fast-paren-parsing test into ui/parser
- Move stmt_expr_attrs test into ui/feature-gates
- Move macro tests into ui/macros
- Move global_asm tests into ui/asm
- Move env tests into ui/process
- Move xcrate tests into ui/cross-crate
- Move unop tests into ui/unop
- Move backtrace tests into ui/backtrace
- Move check-static tests into ui/statics
- Move expr tests into ui/expr
- Move optimization fuel tests into ui/fuel
- Move ffi attribute tests into ui/ffi-attrs
- Move suggestion tests into ui/suggestions
- Move main tests into ui/fn-main
- Move lint tests into ui/lint
- Move repr tests into ui/repr
- Move intrinsics tests into ui/intrinsics
- Move tool lint tests into ui/tool-attributes
- Move return tests into ui/return
- Move pattern tests into ui/patttern
- Move range tests into ui/range
- Move foreign-fn tests into ui/foreign
- Move orphan-check tests into ui/coherence
- Move inference tests into ui/inference
- Reduce ROOT_ENTRY_LIMIT
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In the stabilization attempt of `#[unix_sigpipe = "sig_dfl"]`, a concern
was raised related to using a language attribute for the feature: Long
term, we want `fn lang_start()` to be definable by any crate, not just
libstd. Having a special language attribute in that case becomes
awkward.
So as a first step towards towards the next stabilization attempt, this
PR changes the `#[unix_sigpipe = "..."]` attribute to a compiler flag
`-Zon-broken-pipe=...` to remove that concern, since now the language
is not "contaminated" by this feature.
Another point was also raised, namely that the ui should not leak
**how** it does things, but rather what the **end effect** is. The new
flag uses the proposed naming. This is of course something that can be
iterated on further before stabilization.
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* The WASI targets deal with the `main` symbol a bit differently than
native so some `codegen` and `assembly` tests have been ignored.
* All `ignore-emscripten` directives have been updated to
`ignore-wasm32` to be more clear that all wasm targets are ignored and
it's not just Emscripten.
* Most `ignore-wasm32-bare` directives are now gone.
* Some ignore directives for wasm were switched to `needs-unwind`
instead.
* Many `ignore-wasm32*` directives are removed as the tests work with
WASI as opposed to `wasm32-unknown-unknown`.
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This is to make the diff when stabilizing it easier to review.
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No existing test failed if the [`panic!()`][1] of the `println!()`
family of functions was removed, or if its message was changed.
So add such a test.
[1] https://github.com/rust-lang/rust/blob/104f4300cfddbd956e32820ef202a732f06ec848/library/std/src/io/stdio.rs#L1007-L1009
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Replace `yes` command by `while-echo` in test `tests/ui/process/process-sigpipe.rs`
The `yes` command is not available on all platforms.
Fixes #108596.
Inviting `@mvf` as he contributed to this patch. Thanks! This issue has been discussed in https://github.com/rust-lang/rust/pull/106673 but was moved to #108596 to get going.
CC `@gh-tr`
r? `@workingjubilee`
`@rustbot` label +O-neutrino
Notes about the comments https://github.com/rust-lang/rust/pull/106673#discussion_r1117324265:
- The `echo` command is `/proc/boot/echo` (not built-in)
- `/bin/sh` is a symlink to `/proc/boot/ksh`
```sh
# ls -l /bin/sh /proc/boot/ksh /proc/boot/echo
lrwxrwxrwx 1 root root 14 Mar 20 07:52 /bin/sh -> /proc/boot/ksh
-r-xr-xr-x 1 root root 9390 Sep 12 2022 /proc/boot/echo
-r-xr-xr-x 1 root root 308114 Sep 12 2022 /proc/boot/ksh
```
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The `yes` command is not available on all platforms.
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Co-authored-by: gh-tr <troach@qnx.com>
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