Start using pattern types in libcore #136006

oli-obk · 2025-01-24T16:24:51Z

blocked on rust-analyzer getting support for computing the right layout for pattern types

cc @Veykril no rush here, as long as we can't replace NonNull, there's no point in doing this change just yet

compiler-errors

Well r=me when/if it does get unblocked.

scottmcm · 2025-01-25T01:41:45Z

library/core/src/num/niche_types.rs

+        #[repr(transparent)]
+        $(#[$m])*
+        #[cfg(not(bootstrap))]
+        $vis struct $name(pattern_type!($int is $low..=$high));


Unsure: at least for the NonZeroBlahInner ones, it'd be nicer if these could just be type $name = pattern_type!($int is $low..=$high);, without the extra wrapper. Is that feasible, or are the trait implementations too far off?

(Relatedly, I'd love to be able to just derive traits on these again, particularly to not have to manually StructuralPartialEq.)

Yea... I wanna get there, but directly using pattern types is not a great experience at present

rustbot · 2025-01-27T09:38:22Z

Some changes occurred to MIR optimizations

cc @rust-lang/wg-mir-opt

Veykril · 2025-01-27T09:54:06Z

Re rust-analyzer blocker, as it turns out to implement pattern types (to a degree that would unblock this) it comes down to the same architecture changes required as for rust-lang/rust-analyzer#7434 (which I am currently looking into), so that will take a bit.

rustbot · 2025-01-27T15:53:28Z

Some changes occurred to the CTFE machinery

cc @rust-lang/wg-const-eval

Some changes occurred to the CTFE / Miri interpreter

cc @rust-lang/miri

compiler/rustc_const_eval/src/interpret/validity.rs

oli-obk · 2025-05-07T15:04:14Z

libcore is now rustc_layout_scalar_valid_range-free

bors · 2025-05-10T21:10:21Z

☔ The latest upstream changes (presumably #140895) made this pull request unmergeable. Please resolve the merge conflicts.

compiler/rustc_const_eval/src/interpret/place.rs

src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs

bors · 2025-06-04T03:02:47Z

☔ The latest upstream changes (presumably #141984) made this pull request unmergeable. Please resolve the merge conflicts.

compiler/rustc_const_eval/src/interpret/cast.rs

compiler/rustc_const_eval/src/interpret/call.rs

compiler/rustc_const_eval/src/interpret/validity.rs

Use `!null` pattern type in libcore

rust-log-analyzer · 2025-06-06T14:18:34Z

The job mingw-check-1 failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

[RUSTC-TIMING] addr2line test:false 1.248
[RUSTC-TIMING] object test:false 11.554

thread 'rustc' panicked at compiler/rustc_mir_transform/src/validate.rs:80:25:
broken MIR in Item(DefId(0:13931 ~ std[db02]::sys::args::windows::parse_lp_cmd_line)) (after pass CheckForceInline) at bb23[3]:
Transmute is not supported in non-runtime phase Built.
stack backtrace:
   0:     0x7f64effc04e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6bed9dc66a5cec52
   1:     0x7f64f000cd83 - core::fmt::write::h7d74dd6e449cae1f
   2:     0x7f64effb4ff3 - std::io::Write::write_fmt::h68b3bc9d54a39d7f
   3:     0x7f64effc0332 - std::sys::backtrace::BacktraceLock::print::h6b5cffc33d0e9592
   4:     0x7f64effc400c - std::panicking::default_hook::{{closure}}::h5fc51e281b0877ca
   5:     0x7f64effc3e0f - std::panicking::default_hook::h03c499ee84a534f3
   6:     0x7f64eba710e2 - <alloc[fd9347d1b2560651]::boxed::Box<rustc_driver_impl[5773d14e4e348409]::install_ice_hook::{closure#1}> as core[bdde32e857371a49]::ops::function::Fn<(&dyn for<'a, 'b> core[bdde32e857371a49]::ops::function::Fn<(&'a std[4ece947bc34e96db]::panic::PanicHookInfo<'b>,), Output = ()> + core[bdde32e857371a49]::marker::Sync + core[bdde32e857371a49]::marker::Send, &std[4ece947bc34e96db]::panic::PanicHookInfo)>>::call
   7:     0x7f64effc4af3 - std::panicking::rust_panic_with_hook::ha891520ba817caf1
   8:     0x7f64effc47ca - std::panicking::begin_panic_handler::{{closure}}::ha3354180cd64890f
   9:     0x7f64effc09d9 - std::sys::backtrace::__rust_end_short_backtrace::h3bc1bfbcac42a3a6
  10:     0x7f64effc445d - __rustc[e3a6421a38efca84]::rust_begin_unwind
  11:     0x7f64eb952440 - core::panicking::panic_fmt::h6ea58fee8777a3d1
  12:     0x7f64eca60caa - <rustc_mir_transform[be65491fa9ed6926]::validate::CfgChecker>::fail::<alloc[fd9347d1b2560651]::string::String>
  13:     0x7f64eca600f9 - <rustc_mir_transform[be65491fa9ed6926]::validate::Validator as rustc_mir_transform[be65491fa9ed6926]::pass_manager::MirPass>::run_pass
  14:     0x7f64ecc950ef - rustc_mir_transform[be65491fa9ed6926]::pass_manager::run_passes_inner
  15:     0x7f64ecbf3a8e - rustc_mir_transform[be65491fa9ed6926]::mir_built
  16:     0x7f64ee4feff5 - rustc_query_impl[1da06c078429a51]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1da06c078429a51]::query_impl::mir_built::dynamic_query::{closure#2}::{closure#0}, rustc_middle[9a2cfd53f07fc6e1]::query::erase::Erased<[u8; 8usize]>>
  17:     0x7f64ee42aea5 - <rustc_query_impl[1da06c078429a51]::query_impl::mir_built::dynamic_query::{closure#2} as core[bdde32e857371a49]::ops::function::FnOnce<(rustc_middle[9a2cfd53f07fc6e1]::ty::context::TyCtxt, rustc_span[1765e2c1b3349ba9]::def_id::LocalDefId)>>::call_once
  18:     0x7f64ee36f64d - rustc_query_system[5221489488662638]::query::plumbing::try_execute_query::<rustc_query_impl[1da06c078429a51]::DynamicConfig<rustc_data_structures[adc595eda5ea087d]::vec_cache::VecCache<rustc_span[1765e2c1b3349ba9]::def_id::LocalDefId, rustc_middle[9a2cfd53f07fc6e1]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[5221489488662638]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[1da06c078429a51]::plumbing::QueryCtxt, false>
  19:     0x7f64ee5bb096 - rustc_query_impl[1da06c078429a51]::query_impl::mir_built::get_query_non_incr::__rust_end_short_backtrace
  20:     0x7f64ece270fd - rustc_mir_build[691ce4e4794c4540]::check_unsafety::check_unsafety
  21:     0x7f64ee4dab15 - rustc_query_impl[1da06c078429a51]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1da06c078429a51]::query_impl::check_unsafety::dynamic_query::{closure#2}::{closure#0}, rustc_middle[9a2cfd53f07fc6e1]::query::erase::Erased<[u8; 0usize]>>
  22:     0x7f64ee3d1f05 - <rustc_query_impl[1da06c078429a51]::query_impl::check_unsafety::dynamic_query::{closure#2} as core[bdde32e857371a49]::ops::function::FnOnce<(rustc_middle[9a2cfd53f07fc6e1]::ty::context::TyCtxt, rustc_span[1765e2c1b3349ba9]::def_id::LocalDefId)>>::call_once
  23:     0x7f64ee363999 - rustc_query_system[5221489488662638]::query::plumbing::try_execute_query::<rustc_query_impl[1da06c078429a51]::DynamicConfig<rustc_data_structures[adc595eda5ea087d]::vec_cache::VecCache<rustc_span[1765e2c1b3349ba9]::def_id::LocalDefId, rustc_middle[9a2cfd53f07fc6e1]::query::erase::Erased<[u8; 0usize]>, rustc_query_system[5221489488662638]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[1da06c078429a51]::plumbing::QueryCtxt, false>
  24:     0x7f64ee5caecc - rustc_query_impl[1da06c078429a51]::query_impl::check_unsafety::get_query_non_incr::__rust_end_short_backtrace
  25:     0x7f64ebce4c63 - <rustc_middle[9a2cfd53f07fc6e1]::ty::context::TyCtxt>::par_hir_body_owners::<rustc_interface[517c7f98af8abdc]::passes::run_required_analyses::{closure#2}::{closure#0}>::{closure#0}
  26:     0x7f64ebcd3e1e - <rustc_session[b2c62d57ce798847]::session::Session>::time::<(), rustc_interface[517c7f98af8abdc]::passes::run_required_analyses::{closure#2}>
  27:     0x7f64ebcb74c4 - rustc_interface[517c7f98af8abdc]::passes::analysis
  28:     0x7f64ee4fd7e3 - rustc_query_impl[1da06c078429a51]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1da06c078429a51]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[9a2cfd53f07fc6e1]::query::erase::Erased<[u8; 0usize]>>
  29:     0x7f64ee427641 - <rustc_query_impl[1da06c078429a51]::query_impl::analysis::dynamic_query::{closure#2} as core[bdde32e857371a49]::ops::function::FnOnce<(rustc_middle[9a2cfd53f07fc6e1]::ty::context::TyCtxt, ())>>::call_once
  30:     0x7f64ee2f87c9 - rustc_query_system[5221489488662638]::query::plumbing::try_execute_query::<rustc_query_impl[1da06c078429a51]::DynamicConfig<rustc_query_system[5221489488662638]::query::caches::SingleCache<rustc_middle[9a2cfd53f07fc6e1]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[1da06c078429a51]::plumbing::QueryCtxt, false>
  31:     0x7f64ee5b2ee2 - rustc_query_impl[1da06c078429a51]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  32:     0x7f64eb995a10 - <std[4ece947bc34e96db]::thread::local::LocalKey<core[bdde32e857371a49]::cell::Cell<*const ()>>>::with::<rustc_middle[9a2cfd53f07fc6e1]::ty::context::tls::enter_context<<rustc_middle[9a2cfd53f07fc6e1]::ty::context::GlobalCtxt>::enter<rustc_interface[517c7f98af8abdc]::passes::create_and_enter_global_ctxt<core[bdde32e857371a49]::option::Option<rustc_interface[517c7f98af8abdc]::queries::Linker>, rustc_driver_impl[5773d14e4e348409]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0}, core[bdde32e857371a49]::option::Option<rustc_interface[517c7f98af8abdc]::queries::Linker>>::{closure#1}, core[bdde32e857371a49]::option::Option<rustc_interface[517c7f98af8abdc]::queries::Linker>>::{closure#0}, core[bdde32e857371a49]::option::Option<rustc_interface[517c7f98af8abdc]::queries::Linker>>
  33:     0x7f64eb9f9014 - <rustc_middle[9a2cfd53f07fc6e1]::ty::context::TyCtxt>::create_global_ctxt::<core[bdde32e857371a49]::option::Option<rustc_interface[517c7f98af8abdc]::queries::Linker>, rustc_interface[517c7f98af8abdc]::passes::create_and_enter_global_ctxt<core[bdde32e857371a49]::option::Option<rustc_interface[517c7f98af8abdc]::queries::Linker>, rustc_driver_impl[5773d14e4e348409]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0}>
  34:     0x7f64eba96d05 - <rustc_interface[517c7f98af8abdc]::passes::create_and_enter_global_ctxt<core[bdde32e857371a49]::option::Option<rustc_interface[517c7f98af8abdc]::queries::Linker>, rustc_driver_impl[5773d14e4e348409]::run_compiler::{closure#0}::{closure#2}>::{closure#2} as core[bdde32e857371a49]::ops::function::FnOnce<(&rustc_session[b2c62d57ce798847]::session::Session, rustc_middle[9a2cfd53f07fc6e1]::ty::context::CurrentGcx, alloc[fd9347d1b2560651]::sync::Arc<rustc_data_structures[adc595eda5ea087d]::jobserver::Proxy>, &std[4ece947bc34e96db]::sync::once_lock::OnceLock<rustc_middle[9a2cfd53f07fc6e1]::ty::context::GlobalCtxt>, &rustc_data_structures[adc595eda5ea087d]::sync::worker_local::WorkerLocal<rustc_middle[9a2cfd53f07fc6e1]::arena::Arena>, &rustc_data_structures[adc595eda5ea087d]::sync::worker_local::WorkerLocal<rustc_hir[2448c220ac0258be]::Arena>, rustc_driver_impl[5773d14e4e348409]::run_compiler::{closure#0}::{closure#2})>>::call_once::{shim:vtable#0}
  35:     0x7f64eba70d96 - <alloc[fd9347d1b2560651]::boxed::Box<dyn for<'a> core[bdde32e857371a49]::ops::function::FnOnce<(&'a rustc_session[b2c62d57ce798847]::session::Session, rustc_middle[9a2cfd53f07fc6e1]::ty::context::CurrentGcx, alloc[fd9347d1b2560651]::sync::Arc<rustc_data_structures[adc595eda5ea087d]::jobserver::Proxy>, &'a std[4ece947bc34e96db]::sync::once_lock::OnceLock<rustc_middle[9a2cfd53f07fc6e1]::ty::context::GlobalCtxt<'a>>, &'a rustc_data_structures[adc595eda5ea087d]::sync::worker_local::WorkerLocal<rustc_middle[9a2cfd53f07fc6e1]::arena::Arena<'a>>, &'a rustc_data_structures[adc595eda5ea087d]::sync::worker_local::WorkerLocal<rustc_hir[2448c220ac0258be]::Arena<'a>>, rustc_driver_impl[5773d14e4e348409]::run_compiler::{closure#0}::{closure#2}), Output = core[bdde32e857371a49]::option::Option<rustc_interface[517c7f98af8abdc]::queries::Linker>>> as core[bdde32e857371a49]::ops::function::FnOnce<(&rustc_session[b2c62d57ce798847]::session::Session, rustc_middle[9a2cfd53f07fc6e1]::ty::context::CurrentGcx, alloc[fd9347d1b2560651]::sync::Arc<rustc_data_structures[adc595eda5ea087d]::jobserver::Proxy>, &std[4ece947bc34e96db]::sync::once_lock::OnceLock<rustc_middle[9a2cfd53f07fc6e1]::ty::context::GlobalCtxt>, &rustc_data_structures[adc595eda5ea087d]::sync::worker_local::WorkerLocal<rustc_middle[9a2cfd53f07fc6e1]::arena::Arena>, &rustc_data_structures[adc595eda5ea087d]::sync::worker_local::WorkerLocal<rustc_hir[2448c220ac0258be]::Arena>, rustc_driver_impl[5773d14e4e348409]::run_compiler::{closure#0}::{closure#2})>>::call_once
  36:     0x7f64eba957ea - rustc_interface[517c7f98af8abdc]::passes::create_and_enter_global_ctxt::<core[bdde32e857371a49]::option::Option<rustc_interface[517c7f98af8abdc]::queries::Linker>, rustc_driver_impl[5773d14e4e348409]::run_compiler::{closure#0}::{closure#2}>
  37:     0x7f64eb9b89e1 - <scoped_tls[c3af2fb8e418cedf]::ScopedKey<rustc_span[1765e2c1b3349ba9]::SessionGlobals>>::set::<rustc_interface[517c7f98af8abdc]::util::run_in_thread_with_globals<rustc_interface[517c7f98af8abdc]::util::run_in_thread_pool_with_globals<rustc_interface[517c7f98af8abdc]::interface::run_compiler<(), rustc_driver_impl[5773d14e4e348409]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}::{closure#0}, ()>
  38:     0x7f64eb9c704e - rustc_span[1765e2c1b3349ba9]::create_session_globals_then::<(), rustc_interface[517c7f98af8abdc]::util::run_in_thread_with_globals<rustc_interface[517c7f98af8abdc]::util::run_in_thread_pool_with_globals<rustc_interface[517c7f98af8abdc]::interface::run_compiler<(), rustc_driver_impl[5773d14e4e348409]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}::{closure#0}>
  39:     0x7f64eb9ef209 - std[4ece947bc34e96db]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[517c7f98af8abdc]::util::run_in_thread_with_globals<rustc_interface[517c7f98af8abdc]::util::run_in_thread_pool_with_globals<rustc_interface[517c7f98af8abdc]::interface::run_compiler<(), rustc_driver_impl[5773d14e4e348409]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
  40:     0x7f64eb9f3ce6 - <<std[4ece947bc34e96db]::thread::Builder>::spawn_unchecked_<rustc_interface[517c7f98af8abdc]::util::run_in_thread_with_globals<rustc_interface[517c7f98af8abdc]::util::run_in_thread_pool_with_globals<rustc_interface[517c7f98af8abdc]::interface::run_compiler<(), rustc_driver_impl[5773d14e4e348409]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[bdde32e857371a49]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
---
warning: the ICE couldn't be written to `/checkout/rustc-ice-2025-06-06T14_18_16-23878.txt`: Read-only file system (os error 30)

note: rustc 1.89.0-nightly (c7241f681 2025-06-06) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type dylib --crate-type rlib -C prefer-dynamic -C opt-level=3 -C embed-bitcode=no -C codegen-units=1 -C debug-assertions=on -C linker=i686-w64-mingw32-gcc -Z unstable-options -C symbol-mangling-version=legacy -Z unstable-options -Z macro-backtrace -C split-debuginfo=packed -C prefer-dynamic -Z validate-mir -Z mir-opt-level=3 -Z inline-mir -Z inline-mir-preserve-debug -Z mir_strip_debuginfo=locals-in-tiny-functions -C embed-bitcode=yes -C force-frame-pointers=yes -Z crate-attr=doc(html_root_url="https://doc.rust-lang.org/nightly/") -Z binary-dep-depinfo -Z force-unstable-if-unmarked

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [mir_built] building MIR for `sys::args::windows::parse_lp_cmd_line`
#1 [check_unsafety] unsafety-checking `sys::args::windows::parse_lp_cmd_line`
... and 1 other queries... use `env RUST_BACKTRACE=1` to see the full query stack
[RUSTC-TIMING] std test:false 5.771
error: could not compile `std` (lib)

Caused by:
  process didn't exit successfully: `/checkout/obj/build/bootstrap/debug/rustc /checkout/obj/build/bootstrap/debug/rustc --crate-name std --edition=2024 library/std/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type dylib --crate-type rlib --emit=dep-info,link -C prefer-dynamic -C opt-level=3 -C embed-bitcode=no -C codegen-units=1 --warn=unexpected_cfgs --check-cfg 'cfg(feature, values(any()))' --check-cfg 'cfg(target_has_reliable_f16)' --check-cfg 'cfg(target_has_reliable_f16_math)' --check-cfg 'cfg(target_has_reliable_f128)' --check-cfg 'cfg(target_has_reliable_f128_math)' -C debug-assertions=on --cfg 'feature="addr2line"' --cfg 'feature="backtrace"' --cfg 'feature="compiler-builtins-c"' --cfg 'feature="miniz_oxide"' --cfg 'feature="object"' --cfg 'feature="panic_unwind"' --cfg 'feature="std_detect_dlsym_getauxval"' --cfg 'feature="std_detect_file_io"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("addr2line", "backtrace", "compiler-builtins-c", "compiler-builtins-mangled-names", "compiler-builtins-mem", "compiler-builtins-no-asm", "compiler-builtins-no-f16-f128", "debug_refcell", "debug_typeid", "llvm-libunwind", "miniz_oxide", "object", "optimize_for_size", "panic-unwind", "panic_immediate_abort", "panic_unwind", "std_detect_dlsym_getauxval", "std_detect_file_io", "system-llvm-libunwind", "windows_raw_dylib"))' -C metadata=d67a382a55368bf2 -C extra-filename=-8d932a64645c905c --out-dir /checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/deps --target i686-pc-windows-gnu -C linker=i686-w64-mingw32-gcc -L dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/deps -L dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/release/deps --extern 'priv:addr2line=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/deps/libaddr2line-b55b0b46308e7f5f.rlib' --extern alloc=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/deps/liballoc-be27e8d118aea9e9.rlib --extern 'priv:cfg_if=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/deps/libcfg_if-4c1fa70c71ec147a.rlib' --extern 'priv:compiler_builtins=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/deps/libcompiler_builtins-e4e6c3b629c5d339.rlib' --extern core=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/deps/libcore-02f4866e5f83d8c6.rlib --extern 'priv:hashbrown=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/deps/libhashbrown-241f5ec9466c4503.rlib' --extern libc=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/deps/liblibc-713cf6664b6f423a.rlib --extern 'priv:miniz_oxide=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/deps/libminiz_oxide-65e868c68c37772b.rlib' --extern 'priv:object=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/deps/libobject-e77a9c996a22cd53.rlib' --extern 'priv:panic_abort=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/deps/libpanic_abort-7ac72a8d3b101bb9.rlib' --extern 'priv:panic_unwind=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/deps/libpanic_unwind-1c1578100559c8fc.rlib' --extern 'priv:rustc_demangle=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/deps/librustc_demangle-e83159a156b281eb.rlib' --extern 'priv:std_detect=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/deps/libstd_detect-0db86b828dd071b9.rlib' --extern 'priv:unwind=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/deps/libunwind-7f722636635580f8.rlib' --extern 'priv:windows_targets=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/deps/libwindows_targets-2b78badb09407c97.rlib' -Z unstable-options -Csymbol-mangling-version=legacy '--check-cfg=cfg(feature,values(any()))' -Zunstable-options '--check-cfg=cfg(bootstrap)' -Zmacro-backtrace -Csplit-debuginfo=packed -Cprefer-dynamic -Zvalidate-mir -Zmir-opt-level=3 -Zinline-mir -Zinline-mir-preserve-debug -Zmir_strip_debuginfo=locals-in-tiny-functions -Alinker-messages -Cembed-bitcode=yes -Cforce-frame-pointers=yes '-Zcrate-attr=doc(html_root_url="https://doc.rust-lang.org/nightly/")' -Z binary-dep-depinfo -L native=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/i686-pc-windows-gnu/release/build/compiler_builtins-f3bf7661885b5510/out --cfg backtrace_in_libstd --check-cfg 'cfg(netbsd10)' --check-cfg 'cfg(restricted_std)' --check-cfg 'cfg(backtrace_in_libstd)'` (exit status: 101)
Build completed unsuccessfully in 0:13:14
  local time: Fri Jun  6 14:18:22 UTC 2025
  network time: Fri, 06 Jun 2025 14:18:22 GMT
##[error]Process completed with exit code 1.
Post job cleanup.

oli-obk · 2025-06-06T16:22:49Z

Will fix the ICE in #142124

bors · 2025-06-07T03:45:08Z

☔ The latest upstream changes (presumably #142133) made this pull request unmergeable. Please resolve the merge conflicts.

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Test validity of pattern types #136145

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rustbot added the A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. label Jun 3, 2025

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Start using pattern types in libcore

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Add not-null pointer patterns to pattern types

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oli-obk added 2 commits June 6, 2025 13:55

Allow unsizing pattern types with pointer base

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Use !null pattern type in libcore

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Use `!null` pattern type in libcore

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Start using pattern types in libcore #136006

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Start using pattern types in libcore #136006

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