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ICE: stack overflow in resolver #110164

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matthiaskrgr opened this issue Apr 10, 2023 · 1 comment · Fixed by #110493
Closed

ICE: stack overflow in resolver #110164

matthiaskrgr opened this issue Apr 10, 2023 · 1 comment · Fixed by #110493
Labels
C-bug Category: This is a bug. I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@matthiaskrgr
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Code

use crate::*;

fn main() {
    use _::*;
}

Meta

rustc --version --verbose:

rustc 1.70.0-nightly (696aaad58 2023-04-09)
binary: rustc
commit-hash: 696aaad58c57a589f6fb2ecff5bae2eec581cb71
commit-date: 2023-04-09
host: x86_64-unknown-linux-gnu
release: 1.70.0-nightly
LLVM version: 16.0.2

Error output

<output>
Backtrace 

error: expected identifier, found reserved identifier `_`
 --> /tmp/treereduce.out:4:9
  |
4 |     use _::*;
  |         ^ expected identifier, found reserved identifier


Thread 2 "rustc" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffe9dff6c0 (LWP 3656741)]
0x00007ffff534e571 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
(gdb) bt
#0  0x00007ffff534e571 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#1  0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#2  0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#3  0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#4  0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#5  0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#6  0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#7  0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#8  0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#9  0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#10 0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#11 0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#12 0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#13 0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#14 0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#15 0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#16 0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#17 0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#18 0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#19 0x00007ffff534fcb0 in <rustc_resolve[a2234260a32b12fb]::Resolver>::resolve_ident_in_module_unadjusted_ext () from /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/librustc_driver-e24c3287901edaff.so
#20 0


.....

@matthiaskrgr matthiaskrgr added I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. C-bug Category: This is a bug. labels Apr 10, 2023
@compiler-errors compiler-errors added the E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc label Apr 10, 2023
@matthiaskrgr
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Crashes since at least 3 years 🤷

@compiler-errors compiler-errors removed the E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc label Apr 11, 2023
This was referenced Apr 13, 2023
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Merged
Dylan-DPC added a commit to Dylan-DPC/rust that referenced this issue May 18, 2023
@Dylan-DPC
Rollup merge of rust-lang#110493 - bvanjoi:new_disambiguated_key, r=p…
d83a4b0 
…etrochenkov

fix(resolve): only disambiguate binding key during define

- close rust-lang#110164
- discussion: rust-lang#110264 (comment)

r? `@petrochenkov`
@bors bors closed this as completed in d3f416d May 18, 2023
@bvanjoi bvanjoi mentioned this issue Jun 2, 2023
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C-bug Category: This is a bug. I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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