Make the rustc driver and interface demand driven

1 files changed, 4 insertions, 3 deletions

diff --git a/src/librustc_codegen_utils/codegen_backend.rs b/src/librustc_codegen_utils/codegen_backend.rs
index 28d7d184228..29bcb4f2e64 100644
--- a/src/librustc_codegen_utils/codegen_backend.rs
+++ b/src/librustc_codegen_utils/codegen_backend.rs
@@ -21,7 +21,8 @@ use flate2::write::DeflateEncoder;
 
 use syntax::symbol::Symbol;
 use rustc::hir::def_id::LOCAL_CRATE;
-use rustc::session::{Session, CompileIncomplete};
+use rustc::session::Session;
+use rustc::util::common::ErrorReported;
 use rustc::session::config::{CrateType, OutputFilenames, PrintRequest};
 use rustc::ty::TyCtxt;
 use rustc::ty::query::Providers;
@@ -61,7 +62,7 @@ pub trait CodegenBackend {
         sess: &Session,
         dep_graph: &DepGraph,
         outputs: &OutputFilenames,
-    ) -> Result<(), CompileIncomplete>;
+    ) -> Result<(), ErrorReported>;
 }
 
 pub struct NoLlvmMetadataLoader;
@@ -163,7 +164,7 @@ impl CodegenBackend for MetadataOnlyCodegenBackend {
         sess: &Session,
         _dep_graph: &DepGraph,
         outputs: &OutputFilenames,
-    ) -> Result<(), CompileIncomplete> {
+    ) -> Result<(), ErrorReported> {
         let ongoing_codegen = ongoing_codegen.downcast::<OngoingCodegen>()
             .expect("Expected MetadataOnlyCodegenBackend's OngoingCodegen, found Box<dyn Any>");
         for &crate_type in sess.opts.crate_types.iter() {