Add sess.abort_if_errors() to link

src/lib.rs

@@ -234,6 +234,8 @@ fn link(
     ) -> Result<(), ErrorReported> {
         use rustc_codegen_ssa::back::link::link_binary;
 
+        sess.abort_if_errors();
+
         let codegen_results = *res
             .downcast::<CodegenResults>()
             .expect("Expected CraneliftCodegenBackend's CodegenResult, found Box<Any>");