remove pat2021

[rust.git] / src / bootstrap / compile.rs

diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs
index 8244c7710ab7b6f7f50bb555c3fe2786364b7a0c..66a88e85fea39e7152ca79ba75cfe0d53457f316 100644 (file)
--- a/src/bootstrap/compile.rs
+++ b/src/bootstrap/compile.rs
@@ -462,11 +462,13 @@ fn run(self, builder: &Builder<'_>) -> Vec<(PathBuf, DependencyType)> {
             let dst_file = &dst_dir.join(file.to_string() + ".o");
             if !up_to_date(src_file, dst_file) {
                 let mut cmd = Command::new(&builder.initial_rustc);
+                cmd.env("RUSTC_BOOTSTRAP", "1");
+                if !builder.local_rebuild {
+                    // a local_rebuild compiler already has stage1 features
+                    cmd.arg("--cfg").arg("bootstrap");
+                }
                 builder.run(
-                    cmd.env("RUSTC_BOOTSTRAP", "1")
-                        .arg("--cfg")
-                        .arg("bootstrap")
-                        .arg("--target")
+                    cmd.arg("--target")
                         .arg(target.rustc_target_arg())
                         .arg("--emit=obj")
                         .arg("-o")