Don't proceed to codegen if there are lint errors

compiler/rustc_driver/src/lib.rs

@@ -410,10 +410,6 @@ fn run_compiler(
                 sess.code_stats.print_type_sizes();
             }
 
-            if sess.diagnostic().has_errors_or_lint_errors() {
-                return Err(ErrorReported);
-            }
-
             let linker = queries.linker()?;
             Ok(Some(linker))
         })?;

compiler/rustc_session/src/session.rs

@@ -411,7 +411,7 @@ pub fn abort_if_errors(&self) {
         self.diagnostic().abort_if_errors();
     }
     pub fn compile_status(&self) -> Result<(), ErrorReported> {
-        if self.has_errors() {
+        if self.diagnostic().has_errors_or_lint_errors() {
             self.diagnostic().emit_stashed_diagnostics();
             Err(ErrorReported)
         } else {