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rustdoc: stack overflow: rustc_infer::infer::combine::Generalizer #98171

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matthiaskrgr opened this issue Jun 16, 2022 · 2 comments
Open

rustdoc: stack overflow: rustc_infer::infer::combine::Generalizer #98171

matthiaskrgr opened this issue Jun 16, 2022 · 2 comments
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C-bug Category: This is a bug. glacier ICE tracked in rust-lang/glacier. I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics. 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.

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@matthiaskrgr
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matthiaskrgr commented Jun 16, 2022 •
edited by workingjubilee
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I tried this code from tests/ui/dropck/dropck_no_diverge_on_nonregular_2.rs

// Issue 22443: Reject code using non-regular types that would
// otherwise cause dropck to loop infinitely.

use std::marker::PhantomData;

struct Digit<T> {
    elem: T
}

struct Node<T:'static> { m: PhantomData<&'static T> }


enum FingerTree<T:'static> {
    Single(T),
    // Bug report said Digit after Box would stack overflow (versus
    // Digit before Box; see dropck_no_diverge_on_nonregular_2).
    Deep(
        Box<FingerTree<Node<T>>>,
        Digit<T>,
        )
}

fn main() {
    let ft = //~ ERROR overflow while adding drop-check rules for FingerTree
        FingerTree::Single(1);
    //~^ ERROR overflow while adding drop-check rules for FingerTree
}

Instead, this happened: explanation

thread 'rustc' has overflowed its stack
fatal runtime error: stack overflow
[1]    4101068 IOT instruction (core dumped)  ~/.rustup/toolchains/master/bin/rustdoc

Meta

rustdoc --version --verbose:

rustdoc 1.63.0-nightly (d40f24e95 2022-06-16)
binary: rustdoc
commit-hash: d40f24e956a698e47a209541031c4045acc5a684
commit-date: 2022-06-16
host: x86_64-unknown-linux-gnu
release: 1.63.0-nightly
LLVM version: 14.0.5

The recursion seems to happem somewhere here:

Backtrace 

#85 0x00007ffff5e77f64 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#86 0x00007ffff5ea1300 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#87 0x00007ffff5e77f64 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#88 0x00007ffff5ea1300 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#89 0x00007ffff5e77f64 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#90 0x00007ffff5ea1300 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#91 0x00007ffff5e77f64 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#92 0x00007ffff5ea1300 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#93 0x00007ffff5e77f64 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#94 0x00007ffff5ea1300 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#95 0x00007ffff5e77f64 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#96 0x00007ffff5ea1300 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#97 0x00007ffff5e77f64 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#98 0x00007ffff5ea1300 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#99 0x00007ffff5e77f64 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#100 0x00007ffff5ea1300 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#101 0x00007ffff5e77f64 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#102 0x00007ffff5ea1300 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#103 0x00007ffff5e77f64 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#104 0x00007ffff5ea1300 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so
#105 0x00007ffff5e77f64 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> () from /home/matthias/.rustup/toolchains/master/bin/../lib/librustc_driver-e1f5a2a7d671876e.so

@matthiaskrgr matthiaskrgr added I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue. C-bug Category: This is a bug. labels Jun 16, 2022
@GuillaumeGomez
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I think it's possibly a bad interaction with the compiler. Adding their label.

@GuillaumeGomez GuillaumeGomez added the T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. label Jun 17, 2022
@matthiaskrgr matthiaskrgr changed the title rustdoc: stack overflow rustdoc: stack overflow: rustc_infer::infer::combine::Generalizer Jun 19, 2022
@matthiaskrgr
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some more backtrace:

#13981 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13982 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13983 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13984 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13985 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13986 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13987 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13988 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13989 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13990 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13991 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13992 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13993 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13994 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13995 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13996 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13997 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13998 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#13999 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14000 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14001 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
--Type <RET> for more, q to quit, c to continue without paging--
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14002 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14003 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14004 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14005 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14006 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14007 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14008 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14009 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14010 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14011 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14012 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14013 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14014 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14015 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14016 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14017 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14018 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14019 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14020 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14021 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
--Type <RET> for more, q to quit, c to continue without paging--
#14022 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14023 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14024 0x00007ffff5ee3518 in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::combine::Generalizer> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14025 0x00007ffff5ea04c0 in <rustc_infer::infer::combine::Generalizer as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14026 0x00007ffff5ea249a in <rustc_infer::infer::combine::CombineFields>::instantiate ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14027 0x00007ffff5ec4f14 in <rustc_middle::ty::subst::GenericArg as rustc_middle::ty::relate::Relate>::relate::<rustc_infer::infer::equate::Equate> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14028 0x00007ffff4ed27cc in <&mut rustc_middle::ty::relate::relate_substs<rustc_infer::infer::equate::Equate>::{closure#0} as core::ops::function::FnOnce<((rustc_middle::ty::subst::GenericArg, rustc_middle::ty::subst::GenericArg),)>>::call_once ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14029 0x00007ffff5e894ad in <core::result::Result<rustc_middle::ty::subst::GenericArg, rustc_middle::ty::error::TypeError> as rustc_type_ir::InternIteratorElement<rustc_middle::ty::subst::GenericArg, &rustc_middle::ty::list::List<rustc_middle::ty::subst::GenericArg>>>::intern_with::<core::iter::adapters::map::Map<core::iter::adapters::zip::Zip<core::iter::adapters::copied::Copied<core::slice::iter::Iter<rustc_middle::ty::subst::GenericArg>>, core::iter::adapters::copied::Copied<core::slice::iter::Iter<rustc_middle::ty::subst::GenericArg>>>, rustc_middle::ty::relate::relate_substs<rustc_infer::infer::equate::Equate>::{closure#0}>, <rustc_middle::ty::context::TyCtxt>::mk_substs<core::iter::adapters::map::Map<core::iter::adapters::zip::Zip<core::iter::adapters::copied::Copied<core::slice::iter::Iter<rustc_middle::ty::subst::GenericArg>>, core::iter::adapters::copied::Copied<core::slice::iter::Iter<rustc_middle::ty::subst::GenericArg>>>, rustc_middle::ty::relate::relate_substs<rustc_infer::infer::equate::Equate>::{closure#0}>>::{closure#0}> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14030 0x00007ffff5ee1cde in rustc_middle::ty::relate::super_relate_tys::<rustc_infer::infer::equate::Equate> ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14031 0x00007ffff5e66d26 in <rustc_infer::infer::equate::Equate as rustc_middle::ty::relate::TypeRelation>::tys ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14032 0x00007ffff5e027d0 in <rustc_trait_selection::traits::select::SelectionContext>::match_impl ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14033 0x00007ffff5de892a in <rustc_trait_selection::traits::select::SelectionContext>::assemble_candidates ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14034 0x00007ffff5dd6fc3 in <rustc_trait_selection::traits::select::SelectionContext>::candidate_from_obligation_no_cache ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14035 0x00007ffff5df8c0f in <rustc_trait_selection::traits::select::SelectionContext>::select ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14036 0x00007ffff4e2bf2a in <rustc_trait_selection::traits::auto_trait::AutoTraitFinder>::evaluate_predicates ()
   from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-20b0f5280476b2fc.so
#14037 0x0000555555747977 in <rustdoc::clean::auto_trait::AutoTraitFinder>::generate_for_trait ()
#14038 0x00005555556d88ab in <alloc::vec::Vec<rustdoc::clean::types::Item> as alloc::vec::spec_from_iter::SpecFromIter<rustdoc::clean::types::Item, core::iter::adapters::filter_map::FilterMap<alloc::vec::into_iter::IntoIter<rustc_span::def_id::DefId>, <rustdoc::clean::auto_trait::AutoTraitFinder>::get_auto_trait_impls::{closure#0}>>>::from_iter ()
--Type <RET> for more, q to quit, c to continue without paging--
#14039 0x000055555574a92c in <rustdoc::clean::auto_trait::AutoTraitFinder>::get_auto_trait_impls ()
#14040 0x000055555566b4b6 in rustdoc::clean::utils::get_auto_trait_and_blanket_impls ()
#14041 0x000055555577e86a in <rustdoc::passes::collect_trait_impls::SyntheticImplCollector as rustdoc::visit::DocVisitor>::visit_item ()
#14042 0x000055555577e9aa in <rustdoc::passes::collect_trait_impls::SyntheticImplCollector as rustdoc::visit::DocVisitor>::visit_item ()
#14043 0x00005555557851a2 in <rustdoc::passes::collect_trait_impls::SyntheticImplCollector as rustdoc::visit::DocVisitor>::visit_crate ()
#14044 0x000055555578939d in <rustc_session::session::Session>::time::<alloc::vec::Vec<rustdoc::clean::types::Item>, rustdoc::passes::collect_trait_impls::collect_trait_impls::{closure#0}> ()
#14045 0x000055555577bdbd in rustdoc::passes::collect_trait_impls::collect_trait_impls ()
#14046 0x0000555555789794 in <rustc_session::session::Session>::time::<rustdoc::clean::types::Crate, rustdoc::core::run_global_ctxt::{closure#8}> ()
#14047 0x0000555555759b0f in rustdoc::core::run_global_ctxt ()
#14048 0x0000555555789bff in <rustc_session::session::Session>::time::<(rustdoc::clean::types::Crate, rustdoc::config::RenderOptions, rustdoc::formats::cache::Cache), rustdoc::main_options::{closure#0}::{closure#0}::{closure#1}::{closure#0}> ()
#14049 0x00005555557219a4 in <rustc_interface::passes::QueryContext>::enter::<rustdoc::main_options::{closure#0}::{closure#0}::{closure#1}, core::result::Result<(), rustc_errors::ErrorGuaranteed>> ()
#14050 0x000055555562502a in <rustc_interface::interface::Compiler>::enter::<rustdoc::main_options::{closure#0}::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>> ()
#14051 0x00005555554dd8aa in rustc_span::with_source_map::<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_interface::interface::create_compiler_and_run<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustdoc::main_options::{closure#0}>::{closure#1}> ()
#14052 0x000055555564e691 in rustc_interface::interface::create_compiler_and_run::<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustdoc::main_options::{closure#0}> ()
#14053 0x00005555554e1d07 in <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustdoc::main_args::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>> ()
#14054 0x000055555564f4ef in std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustdoc::main_args::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>> ()




#14055 0x000055555573e029 in <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustdoc::main_args::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} ()
#14056 0x00007ffff36ab4f3 in alloc::boxed::{impl#44}::call_once<(), dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global> ()
    at library/alloc/src/boxed.rs:1951
#14057 alloc::boxed::{impl#44}::call_once<(), alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>, alloc::alloc::Global>
    () at library/alloc/src/boxed.rs:1951
#14058 std::sys::unix::thread::{impl#2}::new::thread_start () at library/std/src/sys/unix/thread.rs:108
#14059 0x00007ffff347f54d in ?? () from /usr/lib/libc.so.6
#14060 0x00007ffff3504b14 in clone () from /usr/lib/libc.so.6

matthiaskrgr added a commit to matthiaskrgr/glacier that referenced this issue Jun 23, 2022
@matthiaskrgr
add 4 ices
db72f99 
rust-lang/rust#98432
rust-lang/rust#98250
rust-lang/rust#98171
rust-lang/rust#98016
@matthiaskrgr matthiaskrgr mentioned this issue Jun 23, 2022
Merged
JohnTitor added a commit to rust-lang/glacier that referenced this issue Jun 24, 2022
@matthiaskrgr @JohnTitor
add 4 ices (#1316)
906e616 
* add 4 ices

rust-lang/rust#98432
rust-lang/rust#98250
rust-lang/rust#98171
rust-lang/rust#98016

* Update ices/98432.rs

Co-authored-by: Yuki Okushi <jtitor@2k36.org>
@rust-lang-glacier-bot rust-lang-glacier-bot added the glacier ICE tracked in rust-lang/glacier. label Jun 24, 2022
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C-bug Category: This is a bug. glacier ICE tracked in rust-lang/glacier. I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics. 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.
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