Pass artifact notifications though SharedEmitterMessage

Author: pacak

compiler/rustc_codegen_ssa/src/back/write.rs

@@ -1795,6 +1795,7 @@ enum SharedEmitterMessage {
     Diagnostic(Diagnostic),
     InlineAsmError(u32, String, Level, Option<(String, Vec<InnerSpan>)>),
     Fatal(String),
+    Artifact(PathBuf, String),
 }
 
 #[derive(Clone)]
@@ -1864,6 +1865,13 @@ impl Emitter for SharedEmitter {
         );
     }
 
+    fn emit_artifact_notification(&mut self, path: &Path, artifact_type: &str) {
+        drop(
+            self.sender
+                .send(SharedEmitterMessage::Artifact(path.to_owned(), artifact_type.to_owned())),
+        )
+    }
+
     fn source_map(&self) -> Option<&Lrc<SourceMap>> {
         None
     }
@@ -1939,6 +1947,9 @@ impl SharedEmitterMain {
                 Ok(SharedEmitterMessage::Fatal(msg)) => {
                     sess.dcx().fatal(msg);
                 }
+                Ok(SharedEmitterMessage::Artifact(path, artifact_type)) => {
+                    sess.dcx().emit_artifact_notification(&path, &artifact_type);
+                }
                 Err(_) => {
                     break;
                 }