Check for free regions in MIR validation #108786
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r? @jackh726 (rustbot has picked a reviewer for you, use r? to override) |
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Some changes occurred to MIR optimizations cc @rust-lang/wg-mir-opt |
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@bors r+ rollup |
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…-obk Check for free regions in MIR validation This turns rust-lang#108720 into a MIR validation failure that will reproduce without debug-assertions enabled. ``` error: internal compiler error: broken MIR in Item(WithOptConstParam { did: DefId(0:296 ~ futures_util[3805]::future::future::remote_handle::{impl#3}::poll), const_param_did: None }) (after pass ScalarReplacementOfAggregates) at bb0[0]: Free regions in optimized runtime-post-cleanup MIR --> /home/ben/.cargo/registry/src/github.202132.xyz-1ecc6299db9ec823/futures-util-0.3.26/src/future/future/remote_handle.rs:96:13 | 96 | let this = self.project(); | ^^^^ ```
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#107801 (const_eval: `implies_by` in `rustc_const_unstable`) - rust-lang#108750 (Fix `ObligationCtxt::sub`) - rust-lang#108780 (Add regression tests for issue 70919) - rust-lang#108786 (Check for free regions in MIR validation) - rust-lang#108790 (Do not ICE when interpreting a cast between non-monomorphic types) - rust-lang#108803 (Do not ICE when failing to normalize in ConstProp.) - rust-lang#108807 (Emit the suspicious_auto_trait_impls for negative impls as well) - rust-lang#108812 (Add regression test for rust-lang#98444) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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This turns #108720 into a MIR validation failure that will reproduce without debug-assertions enabled.