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UI test multiple-reprs fails on targets that set c-enum-min-bits #135777

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japaric opened this issue Jan 20, 2025 · 0 comments · Fixed by #135778
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UI test multiple-reprs fails on targets that set c-enum-min-bits #135777

japaric opened this issue Jan 20, 2025 · 0 comments · Fixed by #135778
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A-testsuite Area: The testsuite used to check the correctness of rustc C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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japaric commented Jan 20, 2025

This part of the test assumes that the enum's discriminant has a size of c_int which is true for most targets but not for targets that set TargetOptions.c_enum_min_bits like thumbv7em-none-eabihf. The multiple-reprs test fails when run on those target.

affected revision: b5741a3

I'll submit a PR fixing the test on those targets shortly
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Jan 20, 2025
@japaric japaric mentioned this issue Jan 20, 2025
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@jieyouxu jieyouxu added A-testsuite Area: The testsuite used to check the correctness of rustc T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. C-bug Category: This is a bug. and removed needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. labels Jan 21, 2025
workingjubilee added a commit to workingjubilee/rustc that referenced this issue Feb 14, 2025
@workingjubilee
Rollup merge of rust-lang#135778 - ferrocene:ja-gh135777, r=workingju…
a28ed1e 
…bilee

account for `c_enum_min_bits` in `multiple-reprs` UI test

fixes rust-lang#135777
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this issue Feb 14, 2025
@matthiaskrgr
Rollup merge of rust-lang#135778 - ferrocene:ja-gh135777, r=workingju…
4b13dfd 
…bilee

account for `c_enum_min_bits` in `multiple-reprs` UI test

fixes rust-lang#135777
@bors bors closed this as completed in a710e1f Feb 14, 2025
rust-timer added a commit to rust-lang-ci/rust that referenced this issue Feb 14, 2025
@rust-timer
Unrolled build for rust-lang#135778
6ae2f37 
Rollup merge of rust-lang#135778 - ferrocene:ja-gh135777, r=workingjubilee

account for `c_enum_min_bits` in `multiple-reprs` UI test

fixes rust-lang#135777
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account for c_enum_min_bits in multiple-reprs UI test ferrocene/rust
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