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authorbors <bors@rust-lang.org>2024-12-03 04:39:48 +0000
committerbors <bors@rust-lang.org>2024-12-03 04:39:48 +0000
commitefdd9e802053caeb52103945df858e87f837e59a (patch)
treeba16a8a78b5db2b43298849d14d711b20cc444b9 /compiler/rustc
parent41cbe3e4d1ef8de310fbbd77043082960def9446 (diff)
parent01ff36a6b9e9134421c4e353ccbc904fdfe53be6 (diff)
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Auto merge of #133321 - compiler-errors:const-checker, r=wesleywiser
Get rid of HIR const checker

As far as I can tell, the HIR const checker was implemented in https://github.com/rust-lang/rust/pull/66170 because we were not able to issue useful const error messages in the MIR const checker.

This seems to have changed in the last 5 years, probably due to work like #90532. I've tweaked the diagnostics slightly and think the error messages have gotten *better* in fact.

Thus I think the HIR const checker has reached the end of its usefulness, and we can retire it.

cc `@RalfJung`
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