From 4e8199b572f2035b7749cba276ece3a26630d23e Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:18:21 +0200
Subject: Adding upstream version 1.67.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../src/rmeta/decoder/cstore_impl.rs               | 38 ++++++++++++++--------
 1 file changed, 24 insertions(+), 14 deletions(-)

(limited to 'compiler/rustc_metadata/src/rmeta/decoder')

diff --git a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs
index a0a085525..c5d4da079 100644
--- a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs
+++ b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs
@@ -21,7 +21,6 @@ use rustc_span::source_map::{Span, Spanned};
 use rustc_span::symbol::{kw, Symbol};
 
 use rustc_data_structures::sync::Lrc;
-use smallvec::SmallVec;
 use std::any::Any;
 
 use super::{Decodable, DecodeContext, DecodeIterator};
@@ -224,6 +223,15 @@ provide! { tcx, def_id, other, cdata,
     generator_kind => { table }
     trait_def => { table }
     deduced_param_attrs => { table }
+    is_type_alias_impl_trait => {
+        debug_assert_eq!(tcx.def_kind(def_id), DefKind::OpaqueTy);
+        cdata
+            .root
+            .tables
+            .is_type_alias_impl_trait
+            .get(cdata, def_id.index)
+            .is_some()
+    }
     collect_trait_impl_trait_tys => {
         Ok(cdata
             .root
@@ -255,6 +263,7 @@ provide! { tcx, def_id, other, cdata,
     is_panic_runtime => { cdata.root.panic_runtime }
     is_compiler_builtins => { cdata.root.compiler_builtins }
     has_global_allocator => { cdata.root.has_global_allocator }
+    has_alloc_error_handler => { cdata.root.has_alloc_error_handler }
     has_panic_handler => { cdata.root.has_panic_handler }
     is_profiler_runtime => { cdata.root.profiler_runtime }
     required_panic_strategy => { cdata.root.required_panic_strategy }
@@ -297,9 +306,7 @@ provide! { tcx, def_id, other, cdata,
         r
     }
     module_children => {
-        let mut result = SmallVec::<[_; 8]>::new();
-        cdata.for_each_module_child(def_id.index, |child| result.push(child), tcx.sess);
-        tcx.arena.alloc_slice(&result)
+        tcx.arena.alloc_from_iter(cdata.get_module_children(def_id.index, tcx.sess))
     }
     defined_lib_features => { cdata.get_lib_features(tcx) }
     stability_implications => {
@@ -339,6 +346,7 @@ pub(in crate::rmeta) fn provide(providers: &mut Providers) {
     // resolve! Does this work? Unsure! That's what the issue is about
     *providers = Providers {
         allocator_kind: |tcx, ()| CStore::from_tcx(tcx).allocator_kind(),
+        alloc_error_handler_kind: |tcx, ()| CStore::from_tcx(tcx).alloc_error_handler_kind(),
         is_private_dep: |_tcx, cnum| {
             assert_eq!(cnum, LOCAL_CRATE);
             false
@@ -464,6 +472,10 @@ pub(in crate::rmeta) fn provide(providers: &mut Providers) {
             assert_eq!(cnum, LOCAL_CRATE);
             CStore::from_tcx(tcx).has_global_allocator()
         },
+        has_alloc_error_handler: |tcx, cnum| {
+            assert_eq!(cnum, LOCAL_CRATE);
+            CStore::from_tcx(tcx).has_alloc_error_handler()
+        },
         postorder_cnums: |tcx, ()| {
             tcx.arena
                 .alloc_slice(&CStore::from_tcx(tcx).crate_dependencies_in_postorder(LOCAL_CRATE))
@@ -489,22 +501,20 @@ impl CStore {
         self.get_crate_data(def.krate).get_struct_field_visibilities(def.index)
     }
 
-    pub fn ctor_def_id_and_kind_untracked(&self, def: DefId) -> Option<(DefId, CtorKind)> {
-        self.get_crate_data(def.krate).get_ctor_def_id_and_kind(def.index)
+    pub fn ctor_untracked(&self, def: DefId) -> Option<(CtorKind, DefId)> {
+        self.get_crate_data(def.krate).get_ctor(def.index)
     }
 
     pub fn visibility_untracked(&self, def: DefId) -> Visibility<DefId> {
         self.get_crate_data(def.krate).get_visibility(def.index)
     }
 
-    pub fn module_children_untracked(&self, def_id: DefId, sess: &Session) -> Vec<ModChild> {
-        let mut result = vec![];
-        self.get_crate_data(def_id.krate).for_each_module_child(
-            def_id.index,
-            |child| result.push(child),
-            sess,
-        );
-        result
+    pub fn module_children_untracked<'a>(
+        &'a self,
+        def_id: DefId,
+        sess: &'a Session,
+    ) -> impl Iterator<Item = ModChild> + 'a {
+        self.get_crate_data(def_id.krate).get_module_children(def_id.index, sess)
     }
 
     pub fn load_macro_untracked(&self, id: DefId, sess: &Session) -> LoadedMacro {
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