diff options
Diffstat (limited to 'src/librustc/middle/resolve_lifetime.rs')
| -rw-r--r-- | src/librustc/middle/resolve_lifetime.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/librustc/middle/resolve_lifetime.rs b/src/librustc/middle/resolve_lifetime.rs index edd5cb4541a..1d88f254972 100644 --- a/src/librustc/middle/resolve_lifetime.rs +++ b/src/librustc/middle/resolve_lifetime.rs @@ -1591,6 +1591,17 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { continue; } + if let Some(parent_def_id) = self.tcx.parent(def_id) { + if let Some(parent_hir_id) = self.tcx.hir() + .as_local_hir_id(parent_def_id) { + // lifetimes in `derive` expansions don't count (Issue #53738) + if self.tcx.hir().attrs_by_hir_id(parent_hir_id).iter() + .any(|attr| attr.check_name(sym::automatically_derived)) { + continue; + } + } + } + let mut err = self.tcx.struct_span_lint_hir( lint::builtin::SINGLE_USE_LIFETIMES, id, |