Auto merge of #147154 - lqd:crater-liveness-captures, r=<try>

crater: check impact of ignoring outlived regions in alias liveness

Author: rust-bors[bot]

.gitmodules

@@ -4,7 +4,7 @@
 	shallow = true
 [submodule "src/tools/cargo"]
 	path = src/tools/cargo
-	url = https://github.com/rust-lang/cargo.git
+	url = https://github.com/lqd/cargo.git
 	shallow = true
 [submodule "src/doc/reference"]
 	path = src/doc/reference

compiler/rustc_const_eval/src/interpret/intern.rs

@@ -106,7 +106,7 @@ fn intern_shallow<'tcx, M: CompileTimeMachine<'tcx>>(
     alloc_id: AllocId,
     mutability: Mutability,
     disambiguator: Option<&mut DisambiguatorState>,
-) -> Result<impl Iterator<Item = CtfeProvenance> + 'tcx, InternError> {
+) -> Result<impl Iterator<Item = CtfeProvenance> + 'tcx + use<'tcx, M>, InternError> {
     trace!("intern_shallow {:?}", alloc_id);
     // remove allocation
     // FIXME(#120456) - is `swap_remove` correct?

compiler/rustc_expand/src/expand.rs

@@ -1954,7 +1954,7 @@ fn build_single_delegations<'a, Node: InvocationCollectorNode>(
     suffixes: &'a [(Ident, Option<Ident>)],
     item_span: Span,
     from_glob: bool,
-) -> impl Iterator<Item = ast::Item<Node::ItemKind>> + 'a {
+) -> impl Iterator<Item = ast::Item<Node::ItemKind>> + 'a + use<'a, Node> {
     if suffixes.is_empty() {
         // Report an error for now, to avoid keeping stem for resolution and
         // stability checks.

compiler/rustc_infer/src/infer/outlives/for_liveness.rs

@@ -85,11 +85,11 @@ where
                 // alias.
                 if outlives_bounds.contains(&tcx.lifetimes.re_static) {
                     // no
-                } else if let Some(r) = outlives_bounds.first()
-                    && outlives_bounds[1..].iter().all(|other_r| other_r == r)
-                {
-                    assert!(r.type_flags().intersects(ty::TypeFlags::HAS_FREE_REGIONS));
-                    r.visit_with(self);
+                    // } else if let Some(r) = outlives_bounds.first()
+                    //     && outlives_bounds[1..].iter().all(|other_r| other_r == r)
+                    // {
+                    //     assert!(r.type_flags().intersects(ty::TypeFlags::HAS_FREE_REGIONS));
+                    //     r.visit_with(self);
                 } else {
                     // Skip lifetime parameters that are not captured, since they do
                     // not need to be live.

src/tools/cargo

@@ -1001,7 +1001,7 @@ impl FunctionBody {
         &self,
         ctx: &'a AssistContext<'_>,
         parent: &SyntaxNode,
-    ) -> impl Iterator<Item = OutlivedLocal> + 'a {
+    ) -> impl Iterator<Item = OutlivedLocal> + 'a + use<'a> {
         let parent = parent.clone();
         let range = self.text_range();
         locals_defined_in_body(&ctx.sema, self)