diff --git a/Cargo.lock b/Cargo.lock
index 14f1d9d08b..2323fdf533 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1507,9 +1507,9 @@ dependencies = [
 
 [[package]]
 name = "ra-ap-rustc_abi"
-version = "0.85.0"
+version = "0.87.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af462c3a2d524b84a51b6848b439787f01b35c6c1086d3e3086a5f5eea92ed9a"
+checksum = "28b782af0a7a8df16ddf43cd70da9f17bc3b1ce712c9e4992b6edb16f5f53632"
 dependencies = [
  "bitflags 2.6.0",
  "ra-ap-rustc_index",
@@ -1518,9 +1518,9 @@ dependencies = [
 
 [[package]]
 name = "ra-ap-rustc_index"
-version = "0.85.0"
+version = "0.87.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be6bb8cb0ab78d94a222f1ffd3e87254cdfb57413382b8d6ebe26a85482f99d1"
+checksum = "ce5742f134960482f543b35ecebec3cacc6d79a9a685713518b4d8d70c5f9aa8"
 dependencies = [
  "ra-ap-rustc_index_macros",
  "smallvec",
@@ -1528,9 +1528,9 @@ dependencies = [
 
 [[package]]
 name = "ra-ap-rustc_index_macros"
-version = "0.85.0"
+version = "0.87.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c24b1641455b46e87435b7321219672077066e678963d239a4a2904732979b16"
+checksum = "d7ea011fcf68309a8835ad01d91c032cb18444617b00e2cab21d45b208164441"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1539,9 +1539,9 @@ dependencies = [
 
 [[package]]
 name = "ra-ap-rustc_lexer"
-version = "0.85.0"
+version = "0.87.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94daa86974417981fed2f12bd8fb00158dfa6fee561152bed689278c846d0272"
+checksum = "eb76f0a4d4c20859e41f0a23bff0f37ab9ca9171c214a6c7dd72ea69434865dc"
 dependencies = [
  "unicode-properties",
  "unicode-xid",
@@ -1549,9 +1549,9 @@ dependencies = [
 
 [[package]]
 name = "ra-ap-rustc_parse_format"
-version = "0.85.0"
+version = "0.87.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc07f6bd581746f358e39c4b6bfe8d455b3d6ad1a857821016d0d42eeb5e1e3e"
+checksum = "06080bd35078305421a62da77f3c128482d8d44441b6da8ce9d146d1cd9cdb5b"
 dependencies = [
  "ra-ap-rustc_index",
  "ra-ap-rustc_lexer",
@@ -1559,9 +1559,9 @@ dependencies = [
 
 [[package]]
 name = "ra-ap-rustc_pattern_analysis"
-version = "0.85.0"
+version = "0.87.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f49b86e1276c1c3c72898410def29b699415f4e7d1dfb3531daf79794694372"
+checksum = "68a3154fe4c20c177d7b3c678a2d3a97aba0cca156ddef88959915041889daf0"
 dependencies = [
  "ra-ap-rustc_index",
  "rustc-hash 2.0.0",
diff --git a/Cargo.toml b/Cargo.toml
index 1e5577554e..7f3abcccc4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -85,11 +85,11 @@ vfs-notify = { path = "./crates/vfs-notify", version = "0.0.0" }
 vfs = { path = "./crates/vfs", version = "0.0.0" }
 edition = { path = "./crates/edition", version = "0.0.0" }
 
-ra-ap-rustc_lexer = { version = "0.85", default-features = false }
-ra-ap-rustc_parse_format = { version = "0.85", default-features = false }
-ra-ap-rustc_index = { version = "0.85", default-features = false }
-ra-ap-rustc_abi = { version = "0.85", default-features = false }
-ra-ap-rustc_pattern_analysis = { version = "0.85", default-features = false }
+ra-ap-rustc_lexer = { version = "0.87", default-features = false }
+ra-ap-rustc_parse_format = { version = "0.87", default-features = false }
+ra-ap-rustc_index = { version = "0.87", default-features = false }
+ra-ap-rustc_abi = { version = "0.87", default-features = false }
+ra-ap-rustc_pattern_analysis = { version = "0.87", default-features = false }
 
 # local crates that aren't published to crates.io. These should not have versions.
 test-fixture = { path = "./crates/test-fixture" }
diff --git a/crates/hir-expand/src/inert_attr_macro.rs b/crates/hir-expand/src/inert_attr_macro.rs
index 9a7a1a01a0..2bba410de0 100644
--- a/crates/hir-expand/src/inert_attr_macro.rs
+++ b/crates/hir-expand/src/inert_attr_macro.rs
@@ -237,7 +237,7 @@ pub const INERT_ATTRIBUTES: &[BuiltinAttribute] = &[
         template!(List: "address, kcfi, memory, thread"), DuplicatesOk,
         experimental!(no_sanitize)
     ),
-    gated!(coverage, Normal, template!(Word, List: "on|off"), WarnFollowing, coverage_attribute, experimental!(coverage)),
+    ungated!(coverage, Normal, template!(Word, List: "on|off"), WarnFollowing),
 
     ungated!(
         doc, Normal, template!(List: "hidden|inline|...", NameValueStr: "string"), DuplicatesOk
diff --git a/crates/hir-ty/src/mir/eval.rs b/crates/hir-ty/src/mir/eval.rs
index d7029651fc..e3072d6ee7 100644
--- a/crates/hir-ty/src/mir/eval.rs
+++ b/crates/hir-ty/src/mir/eval.rs
@@ -813,7 +813,7 @@ impl Evaluator<'_> {
                 ProjectionElem::Field(Either::Left(f)) => {
                     let layout = self.layout(&prev_ty)?;
                     let variant_layout = match &layout.variants {
-                        Variants::Single { .. } => &layout,
+                        Variants::Single { .. } | Variants::Empty => &layout,
                         Variants::Multiple { variants, .. } => {
                             &variants[match f.parent {
                                 hir_def::VariantId::EnumVariantId(it) => {
@@ -1638,6 +1638,7 @@ impl Evaluator<'_> {
             return Ok(0);
         };
         match &layout.variants {
+            Variants::Empty => unreachable!(),
             Variants::Single { index } => {
                 let r = self.const_eval_discriminant(self.db.enum_data(e).variants[index.0].0)?;
                 Ok(r)
@@ -1800,7 +1801,7 @@ impl Evaluator<'_> {
         }
         let layout = self.layout_adt(adt, subst)?;
         Ok(match &layout.variants {
-            Variants::Single { .. } => (layout.size.bytes_usize(), layout, None),
+            Variants::Single { .. } | Variants::Empty => (layout.size.bytes_usize(), layout, None),
             Variants::Multiple { variants, tag, tag_encoding, .. } => {
                 let enum_variant_id = match it {
                     VariantId::EnumVariantId(it) => it,
diff --git a/crates/hir-ty/src/utils.rs b/crates/hir-ty/src/utils.rs
index 06719b09f7..42e7edaf0f 100644
--- a/crates/hir-ty/src/utils.rs
+++ b/crates/hir-ty/src/utils.rs
@@ -334,6 +334,7 @@ pub(crate) fn detect_variant_from_bytes<'a>(
     e: EnumId,
 ) -> Option<(EnumVariantId, &'a Layout)> {
     let (var_id, var_layout) = match &layout.variants {
+        hir_def::layout::Variants::Empty => unreachable!(),
         hir_def::layout::Variants::Single { index } => {
             (db.enum_data(e).variants[index.0].0, layout)
         }
diff --git a/rust-version b/rust-version
index 7d60fa6cb7..3be63741c0 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-5a6036a1802262f8cf02192b02026688d396f1d7
+0eca4dd3205a01dba4bd7b7c140ec370aff03440