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-rw-r--r--compiler/rustc_ast_lowering/src/item.rs14
-rw-r--r--compiler/rustc_middle/src/dep_graph/dep_node.rs36
-rw-r--r--compiler/rustc_middle/src/dep_graph/mod.rs2
-rw-r--r--compiler/rustc_middle/src/mir/mono.rs5
-rw-r--r--compiler/rustc_query_impl/src/plumbing.rs5
-rw-r--r--compiler/rustc_target/src/spec/x86_64_unknown_linux_musl.rs4
-rw-r--r--compiler/rustc_typeck/src/check/gather_locals.rs13
7 files changed, 59 insertions, 20 deletions
diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs
index ea01632d75d..5fd8f7eb33a 100644
--- a/compiler/rustc_ast_lowering/src/item.rs
+++ b/compiler/rustc_ast_lowering/src/item.rs
@@ -836,9 +836,17 @@ impl<'hir> LoweringContext<'_, 'hir> {
                 (generics, hir::TraitItemKind::Fn(sig, hir::TraitFn::Required(names)))
             }
             AssocItemKind::Fn(box FnKind(_, ref sig, ref generics, Some(ref body))) => {
-                let body_id = self.lower_fn_body_block(i.span, &sig.decl, Some(body));
-                let (generics, sig) =
-                    self.lower_method_sig(generics, sig, trait_item_def_id, false, None, i.id);
+                let asyncness = sig.header.asyncness;
+                let body_id =
+                    self.lower_maybe_async_body(i.span, &sig.decl, asyncness, Some(&body));
+                let (generics, sig) = self.lower_method_sig(
+                    generics,
+                    sig,
+                    trait_item_def_id,
+                    false,
+                    asyncness.opt_return_id(),
+                    i.id,
+                );
                 (generics, hir::TraitItemKind::Fn(sig, hir::TraitFn::Provided(body_id)))
             }
             AssocItemKind::TyAlias(box TyAliasKind(_, ref generics, ref bounds, ref default)) => {
diff --git a/compiler/rustc_middle/src/dep_graph/dep_node.rs b/compiler/rustc_middle/src/dep_graph/dep_node.rs
index ba9d0a40732..aa54d1ae7b9 100644
--- a/compiler/rustc_middle/src/dep_graph/dep_node.rs
+++ b/compiler/rustc_middle/src/dep_graph/dep_node.rs
@@ -32,8 +32,8 @@
 //! `DepNode` definition happens in the `define_dep_nodes!()` macro. This macro
 //! defines the `DepKind` enum. Each `DepKind` has its own parameters that are
 //! needed at runtime in order to construct a valid `DepNode` fingerprint.
-//! However, only `CompileCodegenUnit` is constructed explicitly (with
-//! `make_compile_codegen_unit`).
+//! However, only `CompileCodegenUnit` and `CompileMonoItem` are constructed
+//! explicitly (with `make_compile_codegen_unit` cq `make_compile_mono_item`).
 //!
 //! Because the macro sees what parameters a given `DepKind` requires, it can
 //! "infer" some properties for each kind of `DepNode`:
@@ -46,15 +46,17 @@
 //!   `DefId` it was computed from. In other cases, too much information gets
 //!   lost during fingerprint computation.
 //!
-//! `make_compile_codegen_unit`, together with `DepNode::new()`, ensures that only
-//! valid `DepNode` instances can be constructed. For example, the API does not
-//! allow for constructing parameterless `DepNode`s with anything other
-//! than a zeroed out fingerprint. More generally speaking, it relieves the
-//! user of the `DepNode` API of having to know how to compute the expected
-//! fingerprint for a given set of node parameters.
+//! `make_compile_codegen_unit` and `make_compile_mono_items`, together with
+//! `DepNode::new()`, ensures that only valid `DepNode` instances can be
+//! constructed. For example, the API does not allow for constructing
+//! parameterless `DepNode`s with anything other than a zeroed out fingerprint.
+//! More generally speaking, it relieves the user of the `DepNode` API of
+//! having to know how to compute the expected fingerprint for a given set of
+//! node parameters.
 //!
 //! [dependency graph]: https://rustc-dev-guide.rust-lang.org/query.html
 
+use crate::mir::mono::MonoItem;
 use crate::ty::TyCtxt;
 
 use rustc_data_structures::fingerprint::Fingerprint;
@@ -175,6 +177,14 @@ pub mod dep_kind {
         can_reconstruct_query_key: || false,
     };
 
+    pub const CompileMonoItem: DepKindStruct = DepKindStruct {
+        has_params: true,
+        is_anon: false,
+        is_eval_always: false,
+
+        can_reconstruct_query_key: || false,
+    };
+
     macro_rules! define_query_dep_kinds {
         ($(
             [$($attrs:tt)*]
@@ -251,6 +261,10 @@ rustc_dep_node_append!([define_dep_nodes!][ <'tcx>
 
     // WARNING: if `Symbol` is changed, make sure you update `make_compile_codegen_unit` below.
     [] CompileCodegenUnit(Symbol),
+
+    // WARNING: if `MonoItem` is changed, make sure you update `make_compile_mono_item` below.
+    // Only used by rustc_codegen_cranelift
+    [] CompileMonoItem(MonoItem),
 ]);
 
 // WARNING: `construct` is generic and does not know that `CompileCodegenUnit` takes `Symbol`s as keys.
@@ -259,6 +273,12 @@ crate fn make_compile_codegen_unit(tcx: TyCtxt<'_>, name: Symbol) -> DepNode {
     DepNode::construct(tcx, DepKind::CompileCodegenUnit, &name)
 }
 
+// WARNING: `construct` is generic and does not know that `CompileMonoItem` takes `MonoItem`s as keys.
+// Be very careful changing this type signature!
+crate fn make_compile_mono_item(tcx: TyCtxt<'tcx>, mono_item: &MonoItem<'tcx>) -> DepNode {
+    DepNode::construct(tcx, DepKind::CompileMonoItem, mono_item)
+}
+
 pub type DepNode = rustc_query_system::dep_graph::DepNode<DepKind>;
 
 // We keep a lot of `DepNode`s in memory during compilation. It's not
diff --git a/compiler/rustc_middle/src/dep_graph/mod.rs b/compiler/rustc_middle/src/dep_graph/mod.rs
index d2fe9af34fb..31bea832958 100644
--- a/compiler/rustc_middle/src/dep_graph/mod.rs
+++ b/compiler/rustc_middle/src/dep_graph/mod.rs
@@ -12,8 +12,8 @@ pub use rustc_query_system::dep_graph::{
     SerializedDepNodeIndex, WorkProduct, WorkProductId,
 };
 
-crate use dep_node::make_compile_codegen_unit;
 pub use dep_node::{label_strs, DepKind, DepNode, DepNodeExt};
+crate use dep_node::{make_compile_codegen_unit, make_compile_mono_item};
 
 pub type DepGraph = rustc_query_system::dep_graph::DepGraph<DepKind>;
 pub type TaskDeps = rustc_query_system::dep_graph::TaskDeps<DepKind>;
diff --git a/compiler/rustc_middle/src/mir/mono.rs b/compiler/rustc_middle/src/mir/mono.rs
index 6c2468b9ffe..92a1094bbcd 100644
--- a/compiler/rustc_middle/src/mir/mono.rs
+++ b/compiler/rustc_middle/src/mir/mono.rs
@@ -181,6 +181,11 @@ impl<'tcx> MonoItem<'tcx> {
         }
         .map(|hir_id| tcx.hir().span(hir_id))
     }
+
+    // Only used by rustc_codegen_cranelift
+    pub fn codegen_dep_node(&self, tcx: TyCtxt<'tcx>) -> DepNode {
+        crate::dep_graph::make_compile_mono_item(tcx, self)
+    }
 }
 
 impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for MonoItem<'tcx> {
diff --git a/compiler/rustc_query_impl/src/plumbing.rs b/compiler/rustc_query_impl/src/plumbing.rs
index 4194b28dc7d..ee914fa1ba9 100644
--- a/compiler/rustc_query_impl/src/plumbing.rs
+++ b/compiler/rustc_query_impl/src/plumbing.rs
@@ -438,6 +438,11 @@ macro_rules! define_queries {
                 try_load_from_on_disk_cache: |_, _| {},
             };
 
+            pub const CompileMonoItem: QueryStruct = QueryStruct {
+                force_from_dep_node: |_, _| false,
+                try_load_from_on_disk_cache: |_, _| {},
+            };
+
             $(pub const $name: QueryStruct = {
                 const is_anon: bool = is_anon!([$($modifiers)*]);
 
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/x86_64_unknown_linux_musl.rs
index da79bc2f338..1e2e5766a31 100644
--- a/compiler/rustc_target/src/spec/x86_64_unknown_linux_musl.rs
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_linux_musl.rs
@@ -1,4 +1,4 @@
-use crate::spec::{LinkerFlavor, StackProbeType, Target};
+use crate::spec::{LinkerFlavor, SanitizerSet, StackProbeType, Target};
 
 pub fn target() -> Target {
     let mut base = super::linux_musl_base::opts();
@@ -7,6 +7,8 @@ pub fn target() -> Target {
     base.pre_link_args.entry(LinkerFlavor::Gcc).or_default().push("-m64".to_string());
     base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
     base.static_position_independent_executables = true;
+    base.supported_sanitizers =
+        SanitizerSet::ADDRESS | SanitizerSet::LEAK | SanitizerSet::MEMORY | SanitizerSet::THREAD;
 
     Target {
         llvm_target: "x86_64-unknown-linux-musl".to_string(),
diff --git a/compiler/rustc_typeck/src/check/gather_locals.rs b/compiler/rustc_typeck/src/check/gather_locals.rs
index 4c5d16d0b70..2683e886eeb 100644
--- a/compiler/rustc_typeck/src/check/gather_locals.rs
+++ b/compiler/rustc_typeck/src/check/gather_locals.rs
@@ -6,7 +6,6 @@ use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKi
 use rustc_middle::ty::Ty;
 use rustc_span::{sym, Span};
 use rustc_trait_selection::traits;
-use std::mem;
 
 pub(super) struct GatherLocalsVisitor<'a, 'tcx> {
     fcx: &'a FnCtxt<'a, 'tcx>,
@@ -14,12 +13,12 @@ pub(super) struct GatherLocalsVisitor<'a, 'tcx> {
     // parameters are special cases of patterns, but we want to handle them as
     // *distinct* cases. so track when we are hitting a pattern *within* an fn
     // parameter.
-    outermost_fn_param_pat: bool,
+    outermost_fn_param_pat: Option<Span>,
 }
 
 impl<'a, 'tcx> GatherLocalsVisitor<'a, 'tcx> {
     pub(super) fn new(fcx: &'a FnCtxt<'a, 'tcx>, parent_id: hir::HirId) -> Self {
-        Self { fcx, parent_id, outermost_fn_param_pat: false }
+        Self { fcx, parent_id, outermost_fn_param_pat: None }
     }
 
     fn assign(&mut self, span: Span, nid: hir::HirId, ty_opt: Option<LocalTy<'tcx>>) -> Ty<'tcx> {
@@ -92,7 +91,7 @@ impl<'a, 'tcx> Visitor<'tcx> for GatherLocalsVisitor<'a, 'tcx> {
     }
 
     fn visit_param(&mut self, param: &'tcx hir::Param<'tcx>) {
-        let old_outermost_fn_param_pat = mem::replace(&mut self.outermost_fn_param_pat, true);
+        let old_outermost_fn_param_pat = self.outermost_fn_param_pat.replace(param.ty_span);
         intravisit::walk_param(self, param);
         self.outermost_fn_param_pat = old_outermost_fn_param_pat;
     }
@@ -102,12 +101,12 @@ impl<'a, 'tcx> Visitor<'tcx> for GatherLocalsVisitor<'a, 'tcx> {
         if let PatKind::Binding(_, _, ident, _) = p.kind {
             let var_ty = self.assign(p.span, p.hir_id, None);
 
-            if self.outermost_fn_param_pat {
+            if let Some(ty_span) = self.outermost_fn_param_pat {
                 if !self.fcx.tcx.features().unsized_fn_params {
                     self.fcx.require_type_is_sized(
                         var_ty,
                         p.span,
-                        traits::SizedArgumentType(Some(p.span)),
+                        traits::SizedArgumentType(Some(ty_span)),
                     );
                 }
             } else {
@@ -123,7 +122,7 @@ impl<'a, 'tcx> Visitor<'tcx> for GatherLocalsVisitor<'a, 'tcx> {
                 var_ty
             );
         }
-        let old_outermost_fn_param_pat = mem::replace(&mut self.outermost_fn_param_pat, false);
+        let old_outermost_fn_param_pat = self.outermost_fn_param_pat.take();
         intravisit::walk_pat(self, p);
         self.outermost_fn_param_pat = old_outermost_fn_param_pat;
     }