Revert assert! desugaring changes (#122661)#146428
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bors merged 2 commits intorust-lang:masterfrom Sep 11, 2025
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Using the MCVE reported in RUST-145770.
…, r=petrochenkov" This reverts commit 1eeb8e8, reversing changes made to 324bf2b. Unfortunately the assert desugaring change is not backwards compatible, see RUST-145770. Code such as ```rust #[derive(Debug)] struct F { data: bool } impl std::ops::Not for F { type Output = bool; fn not(self) -> Self::Output { !self.data } } fn main() { let f = F { data: true }; assert!(f); } ``` would be broken by the assert desugaring change. We may need to land the change over an edition boundary, or limit the editions that the desugaring change impacts.
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@bors r=estebank,jackh726 p=1 |
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Rollup of 11 pull requests Successful merges: - #142315 (core::ptr: deduplicate docs for as_ref, addr, and as_uninit_ref) - #146335 (disable core dumps for panic-uninitialized-zeroed) - #146347 (report duplicate symbols added by the driver) - #146370 (Update the LoongArch target documentation) - #146379 (Fix `compare_against_sw_vers` test) - #146380 (Unify and deduplicate bits conv float tests) - #146415 (s390x: mark soft-float target feature as incompatible) - #146422 (Less greedily parse `[const]` bounds) - #146424 (Improve `core::ops` coverage) - #146425 (Improve `core::array` coverage) - #146428 (Revert `assert!` desugaring changes (#122661)) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup of 11 pull requests Successful merges: - #142315 (core::ptr: deduplicate docs for as_ref, addr, and as_uninit_ref) - #146335 (disable core dumps for panic-uninitialized-zeroed) - #146347 (report duplicate symbols added by the driver) - #146370 (Update the LoongArch target documentation) - #146379 (Fix `compare_against_sw_vers` test) - #146380 (Unify and deduplicate bits conv float tests) - #146415 (s390x: mark soft-float target feature as incompatible) - #146422 (Less greedily parse `[const]` bounds) - #146424 (Improve `core::ops` coverage) - #146425 (Improve `core::array` coverage) - #146428 (Revert `assert!` desugaring changes (#122661)) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of #146428 - jieyouxu:revert-assert-desugaring, r=estebank,jackh726 Revert `assert!` desugaring changes (#122661) Reverts #122661 to prevent #145770 slipping into beta. cc `@estebank` (FYI) ### Review remarks - Commit 1 is the MCVE reported in #145770 added as a regression test `tests/ui/macros/assert-desugaring-145770.rs`. Against `master`, this test fails. - Commit 2 reverts #122661 (with a merge conflict fixed). `tests/ui/macros/assert-desugaring-145770.rs` now passes.
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Reverts #122661 to prevent #145770 slipping into beta.
cc @estebank (FYI)
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tests/ui/macros/assert-desugaring-145770.rs. Againstmaster, this test fails.assert!for better error output #122661 (with a merge conflict fixed).tests/ui/macros/assert-desugaring-145770.rsnow passes.