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-rw-r--r--src/librustdoc/clean/auto_trait.rs9
-rw-r--r--src/librustdoc/clean/mod.rs37
-rw-r--r--src/librustdoc/clean/types.rs8
-rw-r--r--src/librustdoc/html/format.rs22
-rw-r--r--src/librustdoc/json/conversions.rs4
-rw-r--r--src/librustdoc/json/mod.rs2
-rw-r--r--src/rustdoc-json-types/lib.rs2
-rw-r--r--src/test/rustdoc-json/structs/with_primitives.rs2
8 files changed, 51 insertions, 35 deletions
diff --git a/src/librustdoc/clean/auto_trait.rs b/src/librustdoc/clean/auto_trait.rs
index 8ad09a9edc0..58f7f34c7d4 100644
--- a/src/librustdoc/clean/auto_trait.rs
+++ b/src/librustdoc/clean/auto_trait.rs
@@ -331,9 +331,10 @@ impl<'a, 'tcx> AutoTraitFinder<'a, 'tcx> {
                 match br {
                     // We only care about named late bound regions, as we need to add them
                     // to the 'for<>' section
-                    ty::BrNamed(_, name) => {
-                        Some(GenericParamDef { name, kind: GenericParamDefKind::Lifetime })
-                    }
+                    ty::BrNamed(_, name) => Some(GenericParamDef {
+                        name,
+                        kind: GenericParamDefKind::Lifetime { outlives: vec![] },
+                    }),
                     _ => None,
                 }
             })
@@ -659,7 +660,7 @@ impl<'a, 'tcx> AutoTraitFinder<'a, 'tcx> {
                         bounds.insert(0, GenericBound::maybe_sized(self.cx));
                     }
                 }
-                GenericParamDefKind::Lifetime => {}
+                GenericParamDefKind::Lifetime { .. } => {}
                 GenericParamDefKind::Const { ref mut default, .. } => {
                     // We never want something like `impl<const N: usize = 10>`
                     default.take();
diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs
index b566239423e..bb22da00576 100644
--- a/src/librustdoc/clean/mod.rs
+++ b/src/librustdoc/clean/mod.rs
@@ -199,9 +199,10 @@ impl Clean<GenericBound> for (ty::PolyTraitRef<'_>, &[TypeBinding]) {
             .collect_referenced_late_bound_regions(&poly_trait_ref)
             .into_iter()
             .filter_map(|br| match br {
-                ty::BrNamed(_, name) => {
-                    Some(GenericParamDef { name, kind: GenericParamDefKind::Lifetime })
-                }
+                ty::BrNamed(_, name) => Some(GenericParamDef {
+                    name,
+                    kind: GenericParamDefKind::Lifetime { outlives: vec![] },
+                }),
                 _ => None,
             })
             .collect();
@@ -412,7 +413,9 @@ impl<'tcx> Clean<Type> for ty::ProjectionTy<'tcx> {
 impl Clean<GenericParamDef> for ty::GenericParamDef {
     fn clean(&self, cx: &mut DocContext<'_>) -> GenericParamDef {
         let (name, kind) = match self.kind {
-            ty::GenericParamDefKind::Lifetime => (self.name, GenericParamDefKind::Lifetime),
+            ty::GenericParamDefKind::Lifetime => {
+                (self.name, GenericParamDefKind::Lifetime { outlives: vec![] })
+            }
             ty::GenericParamDefKind::Type { has_default, synthetic, .. } => {
                 let default = if has_default {
                     let mut default = cx.tcx.type_of(self.def_id).clean(cx);
@@ -462,21 +465,15 @@ impl Clean<GenericParamDef> for hir::GenericParam<'_> {
     fn clean(&self, cx: &mut DocContext<'_>) -> GenericParamDef {
         let (name, kind) = match self.kind {
             hir::GenericParamKind::Lifetime { .. } => {
-                let name = if !self.bounds.is_empty() {
-                    let mut bounds = self.bounds.iter().map(|bound| match bound {
-                        hir::GenericBound::Outlives(lt) => lt,
+                let outlives = self
+                    .bounds
+                    .iter()
+                    .map(|bound| match bound {
+                        hir::GenericBound::Outlives(lt) => lt.clean(cx),
                         _ => panic!(),
-                    });
-                    let name = bounds.next().expect("no more bounds").name.ident();
-                    let mut s = format!("{}: {}", self.name.ident(), name);
-                    for bound in bounds {
-                        s.push_str(&format!(" + {}", bound.name.ident()));
-                    }
-                    Symbol::intern(&s)
-                } else {
-                    self.name.ident().name
-                };
-                (name, GenericParamDefKind::Lifetime)
+                    })
+                    .collect();
+                (self.name.ident().name, GenericParamDefKind::Lifetime { outlives })
             }
             hir::GenericParamKind::Type { ref default, synthetic } => (
                 self.name.ident().name,
@@ -536,7 +533,7 @@ impl Clean<Generics> for hir::Generics<'_> {
             .map(|param| {
                 let param: GenericParamDef = param.clean(cx);
                 match param.kind {
-                    GenericParamDefKind::Lifetime => unreachable!(),
+                    GenericParamDefKind::Lifetime { .. } => unreachable!(),
                     GenericParamDefKind::Type { did, ref bounds, .. } => {
                         cx.impl_trait_bounds.insert(did.into(), bounds.clone());
                     }
@@ -569,7 +566,7 @@ impl Clean<Generics> for hir::Generics<'_> {
                     {
                         for param in &mut generics.params {
                             match param.kind {
-                                GenericParamDefKind::Lifetime => {}
+                                GenericParamDefKind::Lifetime { .. } => {}
                                 GenericParamDefKind::Type { bounds: ref mut ty_bounds, .. } => {
                                     if &param.name == name {
                                         mem::swap(bounds, ty_bounds);
diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs
index 4194c99c0ba..d1820793d58 100644
--- a/src/librustdoc/clean/types.rs
+++ b/src/librustdoc/clean/types.rs
@@ -1231,7 +1231,9 @@ impl WherePredicate {
 
 #[derive(Clone, PartialEq, Eq, Debug, Hash)]
 crate enum GenericParamDefKind {
-    Lifetime,
+    Lifetime {
+        outlives: Vec<Lifetime>,
+    },
     Type {
         did: DefId,
         bounds: Vec<GenericBound>,
@@ -1257,7 +1259,7 @@ impl GenericParamDefKind {
         match self {
             GenericParamDefKind::Type { default, .. } => default.clone(),
             GenericParamDefKind::Const { ty, .. } => Some(ty.clone()),
-            GenericParamDefKind::Lifetime => None,
+            GenericParamDefKind::Lifetime { .. } => None,
         }
     }
 }
@@ -1271,7 +1273,7 @@ crate struct GenericParamDef {
 impl GenericParamDef {
     crate fn is_synthetic_type_param(&self) -> bool {
         match self.kind {
-            GenericParamDefKind::Lifetime | GenericParamDefKind::Const { .. } => false,
+            GenericParamDefKind::Lifetime { .. } | GenericParamDefKind::Const { .. } => false,
             GenericParamDefKind::Type { ref synthetic, .. } => synthetic.is_some(),
         }
     }
diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs
index 54be830bf42..ea045803489 100644
--- a/src/librustdoc/html/format.rs
+++ b/src/librustdoc/html/format.rs
@@ -155,9 +155,23 @@ impl clean::GenericParamDef {
         &'a self,
         cx: &'a Context<'tcx>,
     ) -> impl fmt::Display + 'a + Captures<'tcx> {
-        display_fn(move |f| match self.kind {
-            clean::GenericParamDefKind::Lifetime => write!(f, "{}", self.name),
-            clean::GenericParamDefKind::Type { ref bounds, ref default, .. } => {
+        display_fn(move |f| match &self.kind {
+            clean::GenericParamDefKind::Lifetime { outlives } => {
+                write!(f, "{}", self.name)?;
+
+                if !outlives.is_empty() {
+                    f.write_str(": ")?;
+                    for (i, lt) in outlives.iter().enumerate() {
+                        if i != 0 {
+                            f.write_str(" + ")?;
+                        }
+                        write!(f, "{}", lt.print())?;
+                    }
+                }
+
+                Ok(())
+            }
+            clean::GenericParamDefKind::Type { bounds, default, .. } => {
                 f.write_str(&*self.name.as_str())?;
 
                 if !bounds.is_empty() {
@@ -178,7 +192,7 @@ impl clean::GenericParamDef {
 
                 Ok(())
             }
-            clean::GenericParamDefKind::Const { ref ty, ref default, .. } => {
+            clean::GenericParamDefKind::Const { ty, default, .. } => {
                 if f.alternate() {
                     write!(f, "const {}: {:#}", self.name, ty.print(cx))?;
                 } else {
diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs
index 9453e6d35ee..6f35e2e3106 100644
--- a/src/librustdoc/json/conversions.rs
+++ b/src/librustdoc/json/conversions.rs
@@ -326,7 +326,9 @@ impl FromWithTcx<clean::GenericParamDefKind> for GenericParamDefKind {
     fn from_tcx(kind: clean::GenericParamDefKind, tcx: TyCtxt<'_>) -> Self {
         use clean::GenericParamDefKind::*;
         match kind {
-            Lifetime => GenericParamDefKind::Lifetime,
+            Lifetime { outlives } => GenericParamDefKind::Lifetime {
+                outlives: outlives.into_iter().map(|lt| lt.0.to_string()).collect(),
+            },
             Type { did: _, bounds, default, synthetic: _ } => GenericParamDefKind::Type {
                 bounds: bounds.into_iter().map(|x| x.into_tcx(tcx)).collect(),
                 default: default.map(|x| x.into_tcx(tcx)),
diff --git a/src/librustdoc/json/mod.rs b/src/librustdoc/json/mod.rs
index 8bdf1a59812..5089cc30a1e 100644
--- a/src/librustdoc/json/mod.rs
+++ b/src/librustdoc/json/mod.rs
@@ -234,7 +234,7 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> {
                     )
                 })
                 .collect(),
-            format_version: 6,
+            format_version: 7,
         };
         let mut p = self.out_path.clone();
         p.push(output.index.get(&output.root).unwrap().name.clone().unwrap());
diff --git a/src/rustdoc-json-types/lib.rs b/src/rustdoc-json-types/lib.rs
index 38ba87322c2..37cdc94441d 100644
--- a/src/rustdoc-json-types/lib.rs
+++ b/src/rustdoc-json-types/lib.rs
@@ -323,7 +323,7 @@ pub struct GenericParamDef {
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
 #[serde(rename_all = "snake_case")]
 pub enum GenericParamDefKind {
-    Lifetime,
+    Lifetime { outlives: Vec<String> },
     Type { bounds: Vec<GenericBound>, default: Option<Type> },
     Const { ty: Type, default: Option<String> },
 }
diff --git a/src/test/rustdoc-json/structs/with_primitives.rs b/src/test/rustdoc-json/structs/with_primitives.rs
index ea98676863b..9e64317ec20 100644
--- a/src/test/rustdoc-json/structs/with_primitives.rs
+++ b/src/test/rustdoc-json/structs/with_primitives.rs
@@ -1,7 +1,7 @@
 // @has with_primitives.json "$.index[*][?(@.name=='WithPrimitives')].visibility" \"public\"
 // @has - "$.index[*][?(@.name=='WithPrimitives')].kind" \"struct\"
 // @has - "$.index[*][?(@.name=='WithPrimitives')].inner.generics.params[0].name" \"\'a\"
-// @has - "$.index[*][?(@.name=='WithPrimitives')].inner.generics.params[0].kind" \"lifetime\"
+// @has - "$.index[*][?(@.name=='WithPrimitives')].inner.generics.params[0].kind.lifetime.outlives" []
 // @has - "$.index[*][?(@.name=='WithPrimitives')].inner.struct_type" \"plain\"
 // @has - "$.index[*][?(@.name=='WithPrimitives')].inner.fields_stripped" true
 pub struct WithPrimitives<'a> {
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2026-04-28 08:43:08 +0000