Revert "Auto merge of #117328 - lqd:cranelift-rocket, r=Mark-Simulacrum"

src/bootstrap/src/core/build_steps/dist.rs

@@ -1298,21 +1298,13 @@ impl Step for CodegenBackend {
     }
 
     fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
-        if builder.config.dry_run() {
-            return None;
-        }
-
         // This prevents rustc_codegen_cranelift from being built for "dist"
         // or "install" on the stable/beta channels. It is not yet stable and
         // should not be included.
         if !builder.build.unstable_features() {
             return None;
         }
 
-        if !builder.config.rust_codegen_backends.contains(&self.backend) {
-            return None;
-        }
-
         if self.backend == "cranelift" {
             if !target_supports_cranelift_backend(self.compiler.host) {
                 builder.info("target not supported by rustc_codegen_cranelift. skipping");
@@ -1351,15 +1343,12 @@ impl Step for CodegenBackend {
         let backends_dst = PathBuf::from("lib").join(&backends_rel);
 
         let backend_name = format!("rustc_codegen_{}", backend);
-        let mut found_backend = false;
         for backend in fs::read_dir(&backends_src).unwrap() {
             let file_name = backend.unwrap().file_name();
             if file_name.to_str().unwrap().contains(&backend_name) {
                 tarball.add_file(backends_src.join(file_name), &backends_dst, 0o644);
-                found_backend = true;
             }
         }
-        assert!(found_backend);
 
         Some(tarball.generate())
     }

src/ci/docker/run.sh

@@ -302,7 +302,6 @@ docker \
   --env DIST_TRY_BUILD \
   --env PR_CI_JOB \
   --env OBJDIR_ON_HOST="$objdir" \
-  --env CODEGEN_BACKENDS \
   --init \
   --rm \
   rust-ci \