Derive Hash and Eq for some Miri primitives

Author: ecstatic-morse

src/librustc_mir/interpret/eval_context.rs

@@ -121,7 +121,7 @@ pub struct LocalState<'tcx, Tag=(), Id=AllocId> {
 }
 
 /// Current value of a local variable
-#[derive(Clone, PartialEq, Eq, Debug, HashStable)] // Miri debug-prints these
+#[derive(Clone, PartialEq, Eq, Debug, Hash, HashStable)] // Miri debug-prints these
 pub enum LocalValue<Tag=(), Id=AllocId> {
     /// This local is not currently alive, and cannot be used at all.
     Dead,

src/librustc_mir/interpret/memory.rs

@@ -22,7 +22,7 @@ use super::{
     Machine, AllocMap, MayLeak, ErrorHandled, CheckInAllocMsg,
 };
 
-#[derive(Debug, PartialEq, Copy, Clone)]
+#[derive(Debug, PartialEq, Eq, Copy, Clone, Hash)]
 pub enum MemoryKind<T> {
     /// Stack memory. Error if deallocated except during a stack pop.
     Stack,