Update field-offset and enable unstable_offset_of

This enables usage of the offset_of!() macro in the compiler,
through the wrappers in memoffset and then in field-offset.

Cargo.lock

@@ -849,7 +849,7 @@ dependencies = [
  "autocfg",
  "cfg-if",
  "crossbeam-utils",
- "memoffset",
+ "memoffset 0.8.0",
  "scopeguard",
 ]
 
@@ -1204,11 +1204,11 @@ dependencies = [
 
 [[package]]
 name = "field-offset"
-version = "0.3.5"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3cf3a800ff6e860c863ca6d4b16fd999db8b752819c1606884047b73e468535"
+checksum = "38e2275cc4e4fc009b0669731a1e5ab7ebf11f469eaede2bab9309a5b4d6057f"
 dependencies = [
- "memoffset",
+ "memoffset 0.9.0",
  "rustc_version",
 ]
 
@@ -2157,6 +2157,15 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "memoffset"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "mime"
 version = "0.3.16"
@@ -3988,7 +3997,7 @@ version = "0.0.0"
 dependencies = [
  "field-offset",
  "measureme",
- "memoffset",
+ "memoffset 0.9.0",
  "rustc-rayon-core",
  "rustc_ast",
  "rustc_data_structures",

compiler/rustc_query_impl/Cargo.toml

@@ -7,7 +7,6 @@ edition = "2021"
 
 
 [dependencies]
-memoffset = { version = "0.8.0", features = ["unstable_const"] }
 field-offset = "0.3.5"
 measureme = "10.0.0"
 rustc_ast = { path = "../rustc_ast" }
@@ -25,5 +24,8 @@ rustc_span = { path = "../rustc_span" }
 thin-vec = "0.2.12"
 tracing = "0.1"
 
+# Not used directly, but included to enable the unstable_offset_of feature
+memoffset = { version = "0.9.0", features = ["unstable_offset_of"] }
+
 [features]
 rustc_use_parallel_compiler = ["rustc-rayon-core", "rustc_query_system/rustc_use_parallel_compiler"]