2 files changed, 7 insertions, 4 deletions
diff --git a/compiler/rustc_middle/src/ty/adt.rs b/compiler/rustc_middle/src/ty/adt.rs
index 5cde54c9328..6cec75d36e2 100644
--- a/compiler/rustc_middle/src/ty/adt.rs
+++ b/compiler/rustc_middle/src/ty/adt.rs
@@ -4,6 +4,7 @@ use crate::ty::util::{Discr, IntTypeExt};
 use rustc_data_structures::captures::Captures;
 use rustc_data_structures::fingerprint::Fingerprint;
 use rustc_data_structures::fx::FxHashMap;
+use rustc_data_structures::stable_hasher::HashingControls;
 use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
 use rustc_errors::ErrorReported;
 use rustc_hir as hir;
@@ -136,12 +137,13 @@ impl Hash for AdtDef {
 impl<'a> HashStable<StableHashingContext<'a>> for AdtDef {
     fn hash_stable(&self, hcx: &mut StableHashingContext<'a>, hasher: &mut StableHasher) {
         thread_local! {
-            static CACHE: RefCell<FxHashMap<usize, Fingerprint>> = Default::default();
+            static CACHE: RefCell<FxHashMap<(usize, HashingControls), Fingerprint>> = Default::default();
         }
 
         let hash: Fingerprint = CACHE.with(|cache| {
             let addr = self as *const AdtDef as usize;
-            *cache.borrow_mut().entry(addr).or_insert_with(|| {
+            let hashing_controls = hcx.hashing_controls();
+            *cache.borrow_mut().entry((addr, hashing_controls)).or_insert_with(|| {
                 let ty::AdtDef { did, ref variants, ref flags, ref repr } = *self;
 
                 let mut hasher = StableHasher::new();
diff --git a/compiler/rustc_middle/src/ty/impls_ty.rs b/compiler/rustc_middle/src/ty/impls_ty.rs
index 9f47ed89f13..00ce15bea3f 100644
--- a/compiler/rustc_middle/src/ty/impls_ty.rs
+++ b/compiler/rustc_middle/src/ty/impls_ty.rs
@@ -6,6 +6,7 @@ use crate::mir;
 use crate::ty;
 use rustc_data_structures::fingerprint::Fingerprint;
 use rustc_data_structures::fx::FxHashMap;
+use rustc_data_structures::stable_hasher::HashingControls;
 use rustc_data_structures::stable_hasher::{HashStable, StableHasher, ToStableHashKey};
 use rustc_query_system::ich::StableHashingContext;
 use std::cell::RefCell;
@@ -17,12 +18,12 @@ where
 {
     fn hash_stable(&self, hcx: &mut StableHashingContext<'a>, hasher: &mut StableHasher) {
         thread_local! {
-            static CACHE: RefCell<FxHashMap<(usize, usize), Fingerprint>> =
+            static CACHE: RefCell<FxHashMap<(usize, usize, HashingControls), Fingerprint>> =
                 RefCell::new(Default::default());
         }
 
         let hash = CACHE.with(|cache| {
-            let key = (self.as_ptr() as usize, self.len());
+            let key = (self.as_ptr() as usize, self.len(), hcx.hashing_controls());
             if let Some(&hash) = cache.borrow().get(&key) {
                 return hash;
             }