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Rollup merge of rust-lang#100121 - Nilstrieb:mir-validator-param-env,…
… r=oli-obk Try normalizing types without RevealAll in ParamEnv in MIR validation Before, the MIR validator used RevealAll in its ParamEnv for type checking. This could cause false negatives in some cases due to RevealAll ParamEnvs not always use all predicates as expected here. Since some MIR passes like inlining use RevealAll as well, keep using it in the MIR validator too, but when it fails usign RevealAll, also try the check without it, to stop false negatives. Fixes rust-lang#99866 cc `@compiler-errors` who nicely helped me on zulip
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// check-pass | ||
pub trait Backend { | ||
type DescriptorSetLayout; | ||
} | ||
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pub struct Back; | ||
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impl Backend for Back { | ||
type DescriptorSetLayout = u32; | ||
} | ||
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pub struct HalSetLayouts { | ||
vertex_layout: <Back as Backend>::DescriptorSetLayout, | ||
} | ||
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impl HalSetLayouts { | ||
pub fn iter<DSL>(self) -> DSL | ||
where | ||
Back: Backend<DescriptorSetLayout = DSL>, | ||
{ | ||
self.vertex_layout | ||
} | ||
} | ||
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fn main() {} |