Make the BUG_REPORT_URL configurable by tools #110989

jyn514 · 2023-04-29T11:40:10Z

This greatly simplifies how hard it is to set a custom bug report url; previously tools had to copy
the entire hook implementation.

I haven't changed clippy in case they want to make the change upstream instead of the subtree, but
I'm happy to do so here if the maintainers want - cc @rust-lang/clippy

Fixes #109486.

rustbot · 2023-04-29T11:40:16Z

r? @WaffleLapkin

(rustbot has picked a reviewer for you, use r? to override)

rustbot · 2023-04-29T11:40:18Z

The Miri subtree was changed

cc @rust-lang/miri

compiler/rustc_driver_impl/src/lib.rs

Manishearth · 2023-04-29T15:17:46Z

Doing it in the subtree is fine for clippy!

jyn514 · 2023-04-29T15:21:55Z

I see the current hook also includes clippy's version, which can be different from rustc's version - I'll see if I can add a custom callback to the hook so clippy can keep that info.

rust/src/tools/clippy/src/driver.rs

Line 242 in 8ce92da

format!("Clippy version: {version_info}").into(),

rustbot · 2023-04-29T15:46:51Z

Some changes occurred in src/tools/clippy

cc @rust-lang/clippy

jyn514 · 2023-04-29T15:48:05Z

cc @rust-lang/rustdoc as well but the changes to rustdoc are very minor

notriddle

Yeah, rustdoc changes look fine.

src/tools/miri/src/bin/miri.rs

compiler/rustc_driver_impl/src/lib.rs

src/tools/miri/src/bin/miri.rs

compiler/rustc_driver_impl/src/lib.rs

src/tools/miri/src/bin/miri.rs

This greatly simplifies how hard it is to set a custom bug report url; previously tools had to copy the entire hook implementation. - Switch clippy to the new hook This also adds a `extra_info` callback so clippy can include its own version number, which differs from rustc's. - Call `install_ice_hook` in rustfmt

rustbot · 2023-05-02T02:44:14Z

Some changes occurred in src/tools/rustfmt

cc @rust-lang/rustfmt

WaffleLapkin

The code changes look good to me. r=me once tool maintainers are satisfied.

flip1995

Clippy changes look awesome!

RalfJung

👍 on the Miri changes

bors · 2023-05-03T21:54:45Z

📌 Commit 2469afe has been approved by WaffleLapkin

It is now in the queue for this repository.

Make the BUG_REPORT_URL configurable by tools This greatly simplifies how hard it is to set a custom bug report url; previously tools had to copy the entire hook implementation. I haven't changed clippy in case they want to make the change upstream instead of the subtree, but I'm happy to do so here if the maintainers want - cc `@rust-lang/clippy` Fixes rust-lang#109486.

Make the BUG_REPORT_URL configurable by tools This greatly simplifies how hard it is to set a custom bug report url; previously tools had to copy the entire hook implementation. I haven't changed clippy in case they want to make the change upstream instead of the subtree, but I'm happy to do so here if the maintainers want - cc ``@rust-lang/clippy`` Fixes rust-lang#109486.

Make the BUG_REPORT_URL configurable by tools This greatly simplifies how hard it is to set a custom bug report url; previously tools had to copy the entire hook implementation. I haven't changed clippy in case they want to make the change upstream instead of the subtree, but I'm happy to do so here if the maintainers want - cc ```@rust-lang/clippy``` Fixes rust-lang#109486.

…iaskrgr Rollup of 7 pull requests Successful merges: - rust-lang#110577 (Use fulfillment to check `Drop` impl compatibility) - rust-lang#110610 (Add Terminator conversion from MIR to SMIR, part #1) - rust-lang#110985 (Fix spans in LLVM-generated inline asm errors) - rust-lang#110989 (Make the BUG_REPORT_URL configurable by tools ) - rust-lang#111167 (debuginfo: split method declaration and definition) - rust-lang#111230 (add hint for =< as <=) - rust-lang#111279 (More robust debug assertions for `Instance::resolve` on built-in traits with non-standard trait items) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup

uweigand · 2023-05-10T15:56:22Z

The new tests/rustdoc-ui/ice-bug-report-url.rs test fails for me on s390x-unknown-linux-gnu due to the following difference in stderr output:

---- [ui] tests/rustdoc-ui/ice-bug-report-url.rs stdout ----
diff of stderr:

5          |          ^ expected one of `->`, `where`, or `{`
6
7       thread panicked at 'aborting due to `-Z treat-err-as-bug`'
-       stack backtrace:
-       error: the compiler unexpectedly panicked. this is a bug.
+       stack backtrace:                             error: the compiler unexpectedly panicked. this is a bug.
10
11      note: 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
12


The actual stderr differed from the expected stderr.

Not sure why this happens, could this be some issue with the normalize-stderr-test rules?

The complete (unnormalized) output is:

error: expected one of `->`, `where`, or `{`, found `<eof>`
  --> /home/uweigand/rust/tests/rustdoc-ui/ice-bug-report-url.rs:13:10
   |
LL | fn wrong()
   |          ^ expected one of `->`, `where`, or `{`

thread 'rustc' panicked at 'aborting due to `-Z treat-err-as-bug=1`', compiler/rustc_errors/src/lib.rs:1711:30
stack backtrace:
   0:      0x3ffec4992a2 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h413b3b0f9de3326b
   1:      0x3ffec56739e - core::fmt::write::h84c7cedca7777db7
   2:      0x3ffec4ade78 - std::panicking::default_hook::h89c76c4bb766adfe
   3:      0x3ffed577204 - rustc_driver_impl[b094fb3383cea06f]::install_ice_hook::{closure#0}
   4:      0x3ffec4af758 - std::panicking::rust_panic_with_hook::h3b0cf6703ee96eed
   5:      0x3ffec499854 - std::panicking::begin_panic_handler::{{closure}}::h36b73881ffb76e47
   6:      0x3ffec4995d0 - std::sys_common::backtrace::__rust_end_short_backtrace::h9f7578507492eb4f
   7:      0x3ffec4af2ae - rust_begin_unwind
   8:      0x3ffec47058c - core::panicking::panic_fmt::h9c206364a104a065
   9:      0x3fff4944962 - <rustc_errors[23e277f92d39e05]::HandlerInner>::emit_diagnostic::{closure#2}
  10:      0x3fff4943c28 - <rustc_errors[23e277f92d39e05]::HandlerInner>::emit_diagnostic
  11:      0x3fff49b3be6 - <rustc_span[fa50c18a7876c42a]::ErrorGuaranteed as rustc_errors[23e277f92d39e05]::diagnostic_builder::EmissionGuarantee>::diagnostic_builder_emit_producing_guarantee
  12:      0x3ffed6acba2 - <rustc_interface[6001cdef06e51c04]::queries::Queries>::pre_configure
  13:      0x3ffed6ad5f8 - <rustc_interface[6001cdef06e51c04]::queries::Queries>::global_ctxt
  14:      0x2aa0048f836 - <rustc_interface[6001cdef06e51c04]::interface::Compiler>::enter::<rustdoc[9110c6921b1a8d2a]::main_args::{closure#1}::{closure#0}, core[1e85ed23d5535b8b]::result::Result<(), rustc_span[fa50c18a7876c42a]::ErrorGuaranteed>>
  15:      0x2aa001f4318 - rustc_span[fa50c18a7876c42a]::set_source_map::<core[1e85ed23d5535b8b]::result::Result<(), rustc_span[fa50c18a7876c42a]::ErrorGuaranteed>, rustc_interface[6001cdef06e51c04]::interface::run_compiler<core[1e85ed23d5535b8b]::result::Result<(), rustc_span[fa50c18a7876c42a]::ErrorGuaranteed>, rustdoc[9110c6921b1a8d2a]::main_args::{closure#1}>::{closure#0}::{closure#0}>
  16:      0x2aa004915d8 - <scoped_tls[de53d4204225384f]::ScopedKey<rustc_span[fa50c18a7876c42a]::SessionGlobals>>::set::<rustc_interface[6001cdef06e51c04]::interface::run_compiler<core[1e85ed23d5535b8b]::result::Result<(), rustc_span[fa50c18a7876c42a]::ErrorGuaranteed>, rustdoc[9110c6921b1a8d2a]::main_args::{closure#1}>::{closure#0}, core[1e85ed23d5535b8b]::result::Result<(), rustc_span[fa50c18a7876c42a]::ErrorGuaranteed>>
  17:      0x2aa000f1cf8 - std[4f5ed56b8f53302d]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[6001cdef06e51c04]::util::run_in_thread_pool_with_globals<rustc_interface[6001cdef06e51c04]::interface::run_compiler<core[1e85ed23d5535b8b]::result::Result<(), rustc_span[fa50c18a7876c42a]::ErrorGuaranteed>, rustdoc[9110c6921b1a8d2a]::main_args::{closure#1}>::{closure#0}, core[1e85ed23d5535b8b]::result::Result<(), rustc_span[fa50c18a7876c42a]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[1e85ed23d5535b8b]::result::Result<(), rustc_span[fa50c18a7876c42a]::ErrorGuaranteed>>
  18:      0x2aa000f35ae - std[4f5ed56b8f53302d]::panicking::try::do_call::<core[1e85ed23d5535b8b]::panic::unwind_safe::AssertUnwindSafe<<std[4f5ed56b8f53302d]::thread::Builder>::spawn_unchecked_<rustc_interface[6001cdef06e51c04]::util::run_in_thread_pool_with_globals<rustc_interface[6001cdef06e51c04]::interface::run_compiler<core[1e85ed23d5535b8b]::result::Result<(), rustc_span[fa50c18a7876c42a]::ErrorGuaranteed>, rustdoc[9110c6921b1a8d2a]::main_args::{closure#1}>::{closure#0}, core[1e85ed23d5535b8b]::result::Result<(), rustc_span[fa50c18a7876c42a]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[1e85ed23d5535b8b]::result::Result<(), rustc_span[fa50c18a7876c42a]::ErrorGuaranteed>>::{closure#1}::{closure#0}>, core[1e85ed23d5535b8b]::result::Result<(), rustc_span[fa50c18a7876c42a]::ErrorGuaranteed>>
  19:      0x2aa0014c090 - __rust_try.llvm.11562562457469458502
  20:      0x2aa003315aa - <<std[4f5ed56b8f53302d]::thread::Builder>::spawn_unchecked_<rustc_interface[6001cdef06e51c04]::util::run_in_thread_pool_with_globals<rustc_interface[6001cdef06e51c04]::interface::run_compiler<core[1e85ed23d5535b8b]::result::Result<(), rustc_span[fa50c18a7876c42a]::ErrorGuaranteed>, rustdoc[9110c6921b1a8d2a]::main_args::{closure#1}>::{closure#0}, core[1e85ed23d5535b8b]::result::Result<(), rustc_span[fa50c18a7876c42a]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[1e85ed23d5535b8b]::result::Result<(), rustc_span[fa50c18a7876c42a]::ErrorGuaranteed>>::{closure#1} as core[1e85ed23d5535b8b]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  21:      0x3ffec4fe0b0 - std::sys::unix::thread::Thread::new::thread_start::ha67c2f2eda1f7e3b
  22:      0x3ffec09f5c8 - start_thread
                               at /usr/src/debug/glibc-2.36-9.1.ibm.fc37.s390x/nptl/pthread_create.c:442:8
  23:      0x3ffec11b51e - <unknown>
                               at /usr/src/debug/glibc-2.36-9.1.ibm.fc37.s390x/misc/../sysdeps/unix/sysv/linux/s390/s390-64/clone.S:66
  24:                0x0 - <unknown>

error: the compiler unexpectedly panicked. this is a bug.

note: 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

note: rustc 1.71.0-dev running on s390x-unknown-linux-gnu

note: compiler flags: -Z threads=1 -C codegen-units=1 -Z ui-testing -Z simulate-remapped-rust-src-base=/rustc/FAKE_PREFIX -Z translate-remapped-path-to-local-path=no -Z deduplicate-diagnostics=no -C strip=debuginfo -C debuginfo=0 -Z treat-err-as-bug

query stack during panic:
end of query stack

jyn514 · 2023-05-10T16:00:19Z

@uweigand that test should not be platform-specific. I don't know why it would fail only on s390x.

jyn514 · 2023-05-10T16:04:32Z

By chance, does s390x have \r\n line endings?

jyn514 · 2023-05-10T16:06:32Z

This is the relevant normalization: // normalize-stderr-test "\s*\d{1,}: .*\n" -> ""

it should remove the line completely, but somehow it's being replaced with a space instead.

uweigand · 2023-05-10T16:26:05Z

By chance, does s390x have \r\n line endings?

No, it's just \n like on other Linux platforms.

it should remove the line completely, but somehow it's being replaced with a space instead.

It looks like it is removing the line ending of the stack backtrace: line for some reason, merging the next line into it?

-       stack backtrace:
-       error: the compiler unexpectedly panicked. this is a bug.
+       stack backtrace:                             error: the compiler unexpectedly panicked. this is a bug.

Not sure how that could happen ...

uweigand · 2023-05-10T17:18:04Z

Ah, I think I see what the problem is. The \s in a Rust regex matches any whitespace, including newline. Therefore, when looking at these two lines:

// normalize-stderr-test "\s*\d{1,}: .*\n" -> ""
// normalize-stderr-test "\s at .*\n" -> ""

the first one will remove (multiple) newlines before the line (because of the \s*) and one newline after the line (because of the \n). However, the second one has just a single \s, which due to its position relative to the at can never match a newline, just a space.

You can see that when removing the second of those normalize-stderr-test, the output is:

thread panicked at 'aborting due to `-Z treat-err-as-bug`'
stack backtrace:                               at /usr/src/debug/glibc-2.36-9.1.ibm.fc37.s390x/nptl/pthread_create.c:442:8                               at /usr/src/debug/glibc-2.36-9.1.ibm.fc37.s390x/misc/../sysdeps/unix/sysv/linux/s390/s390-64/clone.S:66
error: the compiler unexpectedly panicked. this is a bug.

So if we add the second normalize-stderr-test back, it will merge remove everything from two spaces before the first at up to and including the newline at the end, which results in the merged output we see.

Note that this only happens if the last line in the backtrace is one of lines with an address - if it is one of the lines with an at, the result will be different. This would explain why the effect is platform-specific.

(We see that last line with address 0 on s390x - that's probably a bug in our backtrace implementation that should be fixed, but really those regexes should handle that case too ...)

I think the whitespace in the backtrace output is actually always just plain spaces, so maybe we can simply use:

// normalize-stderr-test " +\d{1,}: .*\n" -> ""
// normalize-stderr-test " + at .*\n" -> ""

This works for me (we also need to add one blank line to the stderr output that isn't removed any more now).

jyn514 · 2023-05-10T17:46:38Z

sounds great! @uweigand could you make a PR with that change, please? :)

uweigand · 2023-05-10T18:28:13Z

sounds great! @uweigand could you make a PR with that change, please? :)

#111439

Make the BUG_REPORT_URL configurable by tools This greatly simplifies how hard it is to set a custom bug report url; previously tools had to copy the entire hook implementation. I haven't changed clippy in case they want to make the change upstream instead of the subtree, but I'm happy to do so here if the maintainers want - cc ````@rust-lang/clippy```` Fixes rust-lang#109486.

drive-by cleanup of rustdoc comment

f0be145

rustbot assigned WaffleLapkin Apr 29, 2023

rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue. labels Apr 29, 2023

jyn514 mentioned this pull request Apr 29, 2023

Make the BUG_REPORT_URL configurable for tools #109486

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Rollup of 7 pull requests #111204

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Rollup of 8 pull requests #111219

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Rollup of 7 pull requests #111283

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Rollup of 7 pull requests #111287

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Fix backtrace normalization in ice-bug-report-url.rs #111439

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Significantly simplify sysroot configuration tcdi/plrust#342

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Make the BUG_REPORT_URL configurable by tools #110989

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Make the BUG_REPORT_URL configurable by tools #110989

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