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authorbors <bors@rust-lang.org>2021-08-25 08:12:16 +0000
committerbors <bors@rust-lang.org>2021-08-25 08:12:16 +0000
commit9863bf51a52b8e61bcad312f81b5193d53099f9f (patch)
treed2d6988720bbccac22c69f4fa9269ab4499b51a8 /compiler/rustc_errors/src
parent1a9ac38defd67ddb2b830005f8d760861c85a7a3 (diff)
parent385a233f1836191837e1a7e575425cf0ce1c9843 (diff)
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Auto merge of #87875 - asquared31415:generic-lang-items, r=cjgillot
Improve detection of generics on lang items

Adds detection for the required generics for all lang items.  Many lang items require an exact or minimum amount of generic arguments and if they don't exist, the compiler will ICE.  This does not add any additional validation about bounds on generics or any other lang item restrictions.

Fixes one of the ICEs in #87573

cc `@FabianWolff`
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