cranelift: Implement PartialEq in Function (#6157)

cranelift/codegen/src/ir/function.rs

@@ -64,7 +64,7 @@ impl<'de> Deserialize<'de> for VersionMarker {
 
 /// Function parameters used when creating this function, and that will become applied after
 /// compilation to materialize the final `CompiledCode`.
-#[derive(Clone)]
+#[derive(Clone, PartialEq)]
 #[cfg_attr(feature = "enable-serde", derive(Serialize, Deserialize))]
 pub struct FunctionParameters {
     /// The first `SourceLoc` appearing in the function, serving as a base for every relative
@@ -351,7 +351,7 @@ impl FunctionStencil {
 
 /// Functions can be cloned, but it is not a very fast operation.
 /// The clone will have all the same entity numbers as the original.
-#[derive(Clone)]
+#[derive(Clone, PartialEq)]
 #[cfg_attr(feature = "enable-serde", derive(Serialize, Deserialize))]
 pub struct Function {
     /// Name of this function.