Derive Hash for some types

cranelift/entity/src/primary.rs

@@ -27,7 +27,7 @@ use std::vec::Vec;
 /// that it only allows indexing with the distinct `EntityRef` key type, so converting to a
 /// plain slice would make it easier to use incorrectly. To make a slice of a `PrimaryMap`, use
 /// `into_boxed_slice`.
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Hash)]
 #[cfg_attr(feature = "enable-serde", derive(Serialize, Deserialize))]
 pub struct PrimaryMap<K, V>
 where

cranelift/wasm/src/translation_utils.rs

@@ -54,7 +54,7 @@ pub struct SignatureIndex(u32);
 entity_impl!(SignatureIndex);
 
 /// WebAssembly global.
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, Hash)]
 pub struct Global {
     /// The type of the value stored in the global.
     pub ty: ir::Type,
@@ -65,7 +65,7 @@ pub struct Global {
 }
 
 /// Globals are initialized via the four `const` operators or by referring to another import.
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, Hash)]
 pub enum GlobalInit {
     /// An `i32.const`.
     I32Const(i32),
@@ -82,7 +82,7 @@ pub enum GlobalInit {
 }
 
 /// WebAssembly table.
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, Hash)]
 pub struct Table {
     /// The type of data stored in elements of the table.
     pub ty: TableElementType,
@@ -93,7 +93,7 @@ pub struct Table {
 }
 
 /// WebAssembly table element. Can be a function or a scalar type.
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, Hash)]
 pub enum TableElementType {
     /// A scalar type.
     Val(ir::Type),
@@ -102,7 +102,7 @@ pub enum TableElementType {
 }
 
 /// WebAssembly linear memory.
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, Hash)]
 pub struct Memory {
     /// The minimum number of pages in the memory.
     pub minimum: u32,