Get it compiling

Author: Aaron1011

compiler/rustc_codegen_ssa/src/lib.rs

@@ -107,6 +107,7 @@ bitflags::bitflags! {
 }
 
 #[derive(Clone, Debug, Encodable, Decodable, HashStable)]
+#[stable_hasher(no_hash_stable_eq)]
 pub struct NativeLib {
     pub kind: NativeLibKind,
     pub name: Option<Symbol>,

compiler/rustc_middle/src/ty/consts/int.rs

@@ -2,6 +2,7 @@ use rustc_apfloat::ieee::{Double, Single};
 use rustc_apfloat::Float;
 use rustc_serialize::{Decodable, Decoder, Encodable, Encoder};
 use rustc_target::abi::Size;
+use rustc_data_structures::stable_hasher::HashStableEq;
 use std::convert::{TryFrom, TryInto};
 use std::fmt;
 
@@ -118,7 +119,7 @@ impl std::fmt::Debug for ConstInt {
 /// This is a packed struct in order to allow this type to be optimally embedded in enums
 /// (like Scalar).
 // FIXME - how are these impls correct if HashStable isnt'???
-#[derive(Clone, Copy, Eq, PartialEq, Ord, PartialOrd, Hash, HashStableEq)]
+#[derive(Clone, Copy, Eq, PartialEq, Ord, PartialOrd, Hash)]
 #[repr(packed)]
 pub struct ScalarInt {
     /// The first `size` bytes of `data` are the value.
@@ -140,6 +141,13 @@ impl<CTX> crate::ty::HashStable<CTX> for ScalarInt {
     }
 }
 
+impl HashStableEq for ScalarInt {
+    fn hash_stable_eq(&self, other: &Self) -> bool {
+        let other_data = other.data;
+        { self.data }.hash_stable_eq(&other_data) && self.size.hash_stable_eq(&other.size)
+    }
+}
+
 impl<S: Encoder> Encodable<S> for ScalarInt {
     fn encode(&self, s: &mut S) -> Result<(), S::Error> {
         s.emit_u128(self.data)?;