compiler: remove rustc_target reexport of rustc_abi::HashStableContext

The last public reexport of rustc_abi in rustc_target is finally gone.

Cargo.lock

@@ -3409,7 +3409,6 @@ dependencies = [
  "rustc_parse",
  "rustc_session",
  "rustc_span",
- "rustc_target",
  "thin-vec",
 ]
 
@@ -4423,6 +4422,7 @@ version = "0.0.0"
 dependencies = [
  "parking_lot",
  "rustc-rayon-core",
+ "rustc_abi",
  "rustc_ast",
  "rustc_data_structures",
  "rustc_errors",
@@ -4434,7 +4434,6 @@ dependencies = [
  "rustc_serialize",
  "rustc_session",
  "rustc_span",
- "rustc_target",
  "smallvec",
  "thin-vec",
  "tracing",

compiler/rustc_ast_passes/Cargo.toml

@@ -18,6 +18,5 @@ rustc_macros = { path = "../rustc_macros" }
 rustc_parse = { path = "../rustc_parse" }
 rustc_session = { path = "../rustc_session" }
 rustc_span = { path = "../rustc_span" }
-rustc_target = { path = "../rustc_target" }
 thin-vec = "0.2.12"
 # tidy-alphabetical-end

compiler/rustc_hir/src/stable_hash_impls.rs

@@ -10,9 +10,7 @@ use crate::hir_id::{HirId, ItemLocalId};
 /// Requirements for a `StableHashingContext` to be used in this crate.
 /// This is a hack to allow using the `HashStable_Generic` derive macro
 /// instead of implementing everything in `rustc_middle`.
-pub trait HashStableContext:
-    rustc_ast::HashStableContext + rustc_target::HashStableContext
-{
+pub trait HashStableContext: rustc_ast::HashStableContext + rustc_abi::HashStableContext {
     fn hash_attr(&mut self, _: &Attribute, hasher: &mut StableHasher);
 }
 

compiler/rustc_query_system/Cargo.toml

@@ -7,6 +7,7 @@ edition = "2021"
 # tidy-alphabetical-start
 parking_lot = "0.12"
 rustc-rayon-core = { version = "0.5.0" }
+rustc_abi = { path = "../rustc_abi" }
 rustc_ast = { path = "../rustc_ast" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_errors = { path = "../rustc_errors" }
@@ -18,7 +19,6 @@ rustc_macros = { path = "../rustc_macros" }
 rustc_serialize = { path = "../rustc_serialize" }
 rustc_session = { path = "../rustc_session" }
 rustc_span = { path = "../rustc_span" }
-rustc_target = { path = "../rustc_target" }
 smallvec = { version = "1.8.1", features = ["union", "may_dangle"] }
 thin-vec = "0.2.12"
 tracing = "0.1"

compiler/rustc_query_system/src/ich/impls_syntax.rs

@@ -8,7 +8,7 @@ use smallvec::SmallVec;
 
 use crate::ich::StableHashingContext;
 
-impl<'ctx> rustc_target::HashStableContext for StableHashingContext<'ctx> {}
+impl<'ctx> rustc_abi::HashStableContext for StableHashingContext<'ctx> {}
 impl<'ctx> rustc_ast::HashStableContext for StableHashingContext<'ctx> {}
 
 impl<'a> HashStable<StableHashingContext<'a>> for [hir::Attribute] {

compiler/rustc_target/src/lib.rs

@@ -30,7 +30,7 @@ pub mod target_features;
 #[cfg(test)]
 mod tests;
 
-pub use rustc_abi::HashStableContext;
+use rustc_abi::HashStableContext;
 
 /// The name of rustc's own place to organize libraries.
 ///