Auto merge of #95233 - compiler-errors:chalk-up, r=jackh726

Upgrade chalk to `0.80.0`

r? `@jackh726`

Author: bors

Cargo.lock

@@ -515,9 +515,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chalk-derive"
-version = "0.76.0"
+version = "0.80.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58c24b8052ea1e3adbb6f9ab7ba5fcc18b9d12591c042de4c833f709ce81e0e0"
+checksum = "d0001adf0cf12361e08b65e1898ea138f8f77d8f5177cbf29b6b3b3532252bd6"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -527,9 +527,9 @@ dependencies = [
 
 [[package]]
 name = "chalk-engine"
-version = "0.76.0"
+version = "0.80.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0eca186b6ea9af798312f4b568fd094c82e7946ac08be5dc5fea22decc6d2ed8"
+checksum = "c44ee96f2d67cb5193d1503f185db1abad9933a1c6e6b4169c176f90baecd393"
 dependencies = [
  "chalk-derive",
  "chalk-ir",
@@ -540,9 +540,9 @@ dependencies = [
 
 [[package]]
 name = "chalk-ir"
-version = "0.76.0"
+version = "0.80.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cad5c3f1edd4b4a2c9bda24ae558ceb4f88336f88f944c2e35d0bfeb13c818"
+checksum = "92d8a95548f23618fda86426e4304e563ec2bb7ba0216139f0748d63c107b5f1"
 dependencies = [
  "bitflags",
  "chalk-derive",
@@ -551,9 +551,9 @@ dependencies = [
 
 [[package]]
 name = "chalk-solve"
-version = "0.76.0"
+version = "0.80.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94533188d3452bc72cbd5618d166f45fc7646b674ad3fe9667d557bc25236dee"
+checksum = "f37f492dacfafe2e21319b80827da2779932909bb392f0cc86b2bd5c07c1b4e1"
 dependencies = [
  "chalk-derive",
  "chalk-ir",

compiler/rustc_middle/Cargo.toml

@@ -29,7 +29,7 @@ rustc_index = { path = "../rustc_index" }
 rustc_serialize = { path = "../rustc_serialize" }
 rustc_ast = { path = "../rustc_ast" }
 rustc_span = { path = "../rustc_span" }
-chalk-ir = "0.76.0"
+chalk-ir = "0.80.0"
 smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
 rustc_session = { path = "../rustc_session" }
 rustc_type_ir = { path = "../rustc_type_ir" }

compiler/rustc_traits/Cargo.toml

@@ -12,9 +12,9 @@ rustc_hir = { path = "../rustc_hir" }
 rustc_index = { path = "../rustc_index" }
 rustc_ast = { path = "../rustc_ast" }
 rustc_span = { path = "../rustc_span" }
-chalk-ir = "0.76.0"
-chalk-engine = "0.76.0"
-chalk-solve = "0.76.0"
+chalk-ir = "0.80.0"
+chalk-engine = "0.80.0"
+chalk-solve = "0.80.0"
 smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
 rustc_infer = { path = "../rustc_infer" }
 rustc_trait_selection = { path = "../rustc_trait_selection" }

compiler/rustc_traits/src/chalk/db.rs

@@ -100,6 +100,8 @@ impl<'tcx> chalk_solve::RustIrDatabase<RustInterner<'tcx>> for RustIrDatabase<'t
         &self,
         trait_id: chalk_ir::TraitId<RustInterner<'tcx>>,
     ) -> Arc<chalk_solve::rust_ir::TraitDatum<RustInterner<'tcx>>> {
+        use chalk_solve::rust_ir::WellKnownTrait::*;
+
         let def_id = trait_id.0;
         let trait_def = self.interner.tcx.trait_def(def_id);
 
@@ -119,25 +121,27 @@ impl<'tcx> chalk_solve::RustIrDatabase<RustInterner<'tcx>> for RustIrDatabase<'t
 
         let lang_items = self.interner.tcx.lang_items();
         let well_known = if lang_items.sized_trait() == Some(def_id) {
-            Some(chalk_solve::rust_ir::WellKnownTrait::Sized)
+            Some(Sized)
         } else if lang_items.copy_trait() == Some(def_id) {
-            Some(chalk_solve::rust_ir::WellKnownTrait::Copy)
+            Some(Copy)
         } else if lang_items.clone_trait() == Some(def_id) {
-            Some(chalk_solve::rust_ir::WellKnownTrait::Clone)
+            Some(Clone)
         } else if lang_items.drop_trait() == Some(def_id) {
-            Some(chalk_solve::rust_ir::WellKnownTrait::Drop)
+            Some(Drop)
         } else if lang_items.fn_trait() == Some(def_id) {
-            Some(chalk_solve::rust_ir::WellKnownTrait::Fn)
+            Some(Fn)
         } else if lang_items.fn_once_trait() == Some(def_id) {
-            Some(chalk_solve::rust_ir::WellKnownTrait::FnOnce)
+            Some(FnOnce)
         } else if lang_items.fn_mut_trait() == Some(def_id) {
-            Some(chalk_solve::rust_ir::WellKnownTrait::FnMut)
+            Some(FnMut)
         } else if lang_items.unsize_trait() == Some(def_id) {
-            Some(chalk_solve::rust_ir::WellKnownTrait::Unsize)
+            Some(Unsize)
         } else if lang_items.unpin_trait() == Some(def_id) {
-            Some(chalk_solve::rust_ir::WellKnownTrait::Unpin)
+            Some(Unpin)
         } else if lang_items.coerce_unsized_trait() == Some(def_id) {
-            Some(chalk_solve::rust_ir::WellKnownTrait::CoerceUnsized)
+            Some(CoerceUnsized)
+        } else if lang_items.dispatch_from_dyn_trait() == Some(def_id) {
+            Some(DispatchFromDyn)
         } else {
             None
         };
@@ -232,6 +236,28 @@ impl<'tcx> chalk_solve::RustIrDatabase<RustInterner<'tcx>> for RustIrDatabase<'t
         })
     }
 
+    fn adt_size_align(
+        &self,
+        adt_id: chalk_ir::AdtId<RustInterner<'tcx>>,
+    ) -> Arc<chalk_solve::rust_ir::AdtSizeAlign> {
+        let tcx = self.interner.tcx;
+        let did = adt_id.0.did();
+
+        // Grab the ADT and the param we might need to calculate its layout
+        let param_env = tcx.param_env(did);
+        let adt_ty = tcx.type_of(did);
+
+        // The ADT is a 1-zst if it's a ZST and its alignment is 1.
+        // Mark the ADT as _not_ a 1-zst if there was a layout error.
+        let one_zst = if let Ok(layout) = tcx.layout_of(param_env.and(adt_ty)) {
+            layout.is_zst() && layout.align.abi.bytes() == 1
+        } else {
+            false
+        };
+
+        Arc::new(chalk_solve::rust_ir::AdtSizeAlign::from_one_zst(one_zst))
+    }
+
     fn fn_def_datum(
         &self,
         fn_def_id: chalk_ir::FnDefId<RustInterner<'tcx>>,
@@ -540,6 +566,7 @@ impl<'tcx> chalk_solve::RustIrDatabase<RustInterner<'tcx>> for RustIrDatabase<'t
             Unpin => lang_items.unpin_trait(),
             CoerceUnsized => lang_items.coerce_unsized_trait(),
             DiscriminantKind => lang_items.discriminant_kind_trait(),
+            DispatchFromDyn => lang_items.dispatch_from_dyn_trait(),
         };
         def_id.map(chalk_ir::TraitId)
     }