Start adding enum errors for deserialize_rlink

2 files changed, 4 insertions, 3 deletions

diff --git a/compiler/rustc_driver/src/lib.rs b/compiler/rustc_driver/src/lib.rs
index 90e4d629b61..99999909d57 100644
--- a/compiler/rustc_driver/src/lib.rs
+++ b/compiler/rustc_driver/src/lib.rs
@@ -590,8 +590,8 @@ pub fn try_process_rlink(sess: &Session, compiler: &interface::Compiler) -> Comp
             });
             let codegen_results = match CodegenResults::deserialize_rlink(rlink_data) {
                 Ok(codegen) => codegen,
-                Err(error_message) => {
-                    sess.emit_fatal(RlinkUnableToDeserialize { error_message });
+                Err(err) => {
+                    sess.emit_fatal(RlinkUnableToDeserialize { err });
                 }
             };
             let result = compiler.codegen_backend().link(sess, codegen_results, &outputs);
diff --git a/compiler/rustc_driver/src/session_diagnostics.rs b/compiler/rustc_driver/src/session_diagnostics.rs
index a5dbef45475..86ee51bc97d 100644
--- a/compiler/rustc_driver/src/session_diagnostics.rs
+++ b/compiler/rustc_driver/src/session_diagnostics.rs
@@ -1,3 +1,4 @@
+use rustc_codegen_ssa::session_diagnostic::DeserializeRlinkError;
 use rustc_macros::SessionDiagnostic;
 
 #[derive(SessionDiagnostic)]
@@ -9,7 +10,7 @@ pub(crate) struct RlinkUnableToRead {
 #[derive(SessionDiagnostic)]
 #[diag(driver::rlink_unable_to_deserialize)]
 pub(crate) struct RlinkUnableToDeserialize {
-    pub error_message: String,
+    pub err: DeserializeRlinkError,
 }
 
 #[derive(SessionDiagnostic)]