Store macro parent module in ExpnData.

1 files changed, 1 insertions, 15 deletions

diff --git a/compiler/rustc_hir/src/definitions.rs b/compiler/rustc_hir/src/definitions.rs
index 753b8c85670..325bec309af 100644
--- a/compiler/rustc_hir/src/definitions.rs
+++ b/compiler/rustc_hir/src/definitions.rs
@@ -5,9 +5,7 @@
 //! expressions) that are mostly just leftovers.
 
 pub use crate::def_id::DefPathHash;
-use crate::def_id::{
-    CrateNum, DefId, DefIndex, LocalDefId, StableCrateId, CRATE_DEF_INDEX, LOCAL_CRATE,
-};
+use crate::def_id::{CrateNum, DefIndex, LocalDefId, StableCrateId, CRATE_DEF_INDEX, LOCAL_CRATE};
 use crate::hir;
 
 use rustc_data_structures::fx::FxHashMap;
@@ -108,9 +106,6 @@ pub struct Definitions {
     /// The reverse mapping of `def_id_to_hir_id`.
     pub(super) hir_id_to_def_id: FxHashMap<hir::HirId, LocalDefId>,
 
-    /// If `ExpnId` is an ID of some macro expansion,
-    /// then `DefId` is the normal module (`mod`) in which the expanded macro was defined.
-    parent_modules_of_macro_defs: FxHashMap<ExpnId, DefId>,
     /// Item with a given `LocalDefId` was defined during macro expansion with ID `ExpnId`.
     expansions_that_defined: FxHashMap<LocalDefId, ExpnId>,
 }
@@ -353,7 +348,6 @@ impl Definitions {
             def_id_to_hir_id: Default::default(),
             hir_id_to_def_id: Default::default(),
             expansions_that_defined: Default::default(),
-            parent_modules_of_macro_defs: Default::default(),
         }
     }
 
@@ -420,14 +414,6 @@ impl Definitions {
         self.expansions_that_defined.get(&id).copied().unwrap_or_else(ExpnId::root)
     }
 
-    pub fn parent_module_of_macro_def(&self, expn_id: ExpnId) -> DefId {
-        self.parent_modules_of_macro_defs[&expn_id]
-    }
-
-    pub fn add_parent_module_of_macro_def(&mut self, expn_id: ExpnId, module: DefId) {
-        self.parent_modules_of_macro_defs.insert(expn_id, module);
-    }
-
     pub fn iter_local_def_id(&self) -> impl Iterator<Item = LocalDefId> + '_ {
         self.def_id_to_hir_id.iter_enumerated().map(|(k, _)| k)
     }