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3b0221bf63
Fix ICE caused by missing span in a region error Fixes #130012 The ICE occurs on line 634 in this error handling code:085744b7ad/compiler/rustc_trait_selection/src/error_reporting/infer/region.rs (L617-L637)It is caused by the span being a dummy span and `!span.is_dummy()` on line 628 evaluating to `false`. A dummy span, however, is expected here thanks to the `Self: Trait` predicate from `predicates_of` (see line 61):085744b7ad/compiler/rustc_hir_analysis/src/collect/predicates_of.rs (L61-L69)This PR changes the error handling code to omit the note which needed the span instead of ICE'ing in the presence of a dummy span.