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Record asyncness span in HIR

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This commit is contained in:
Michael Goulet 2023-09-14 22:38:07 +00:00
parent 0fd7ce99b0
commit 087a571e70
22 changed files with 78 additions and 54 deletions
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2
compiler/rustc_borrowck/src/diagnostics/region_name.rs
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@ -302,7 +302,7 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> {
if free_region.bound_region.is_named() {
// A named region that is actually named.
Some(RegionName { name, source: RegionNameSource::NamedFreeRegion(span) })
} else if let hir::IsAsync::Async = tcx.asyncness(self.mir_hir_id().owner) {
} else if tcx.asyncness(self.mir_hir_id().owner).is_async() {
// If we spuriously thought that the region is named, we should let the
// system generate a true name for error messages. Currently this can
// happen if we have an elided name in an async fn for example: the