1 files changed, 42 insertions, 0 deletions
diff --git a/tests/run-make-cargo/rustc-crates-on-stable/rmake.rs b/tests/run-make-cargo/rustc-crates-on-stable/rmake.rs
new file mode 100644
index 00000000000..cbc1f24b8c1
--- /dev/null
+++ b/tests/run-make-cargo/rustc-crates-on-stable/rmake.rs
@@ -0,0 +1,42 @@
+//! Checks if selected rustc crates can be compiled on the stable channel (or a "simulation" of it).
+//! These crates are designed to be used by downstream users.
+
+use run_make_support::{cargo, rustc_path, source_root};
+
+fn main() {
+    // Use the stage0 beta cargo for the compilation (it shouldn't really matter which cargo we use)
+    cargo()
+        // Ensure `proc-macro2`'s nightly detection is disabled
+        .env("RUSTC_STAGE", "0")
+        .env("RUSTC", rustc_path())
+        // We want to disallow all nightly features to simulate a stable build
+        .env("RUSTFLAGS", "-Zallow-features=")
+        .arg("build")
+        .arg("--manifest-path")
+        .arg(source_root().join("Cargo.toml"))
+        .args(&[
+            // Avoid depending on transitive rustc crates
+            "--no-default-features",
+            // Emit artifacts in this temporary directory, not in the source_root's `target` folder
+            "--target-dir",
+            "target",
+        ])
+        // Check that these crates can be compiled on "stable"
+        .args(&[
+            "-p",
+            "rustc_type_ir",
+            "-p",
+            "rustc_next_trait_solver",
+            "-p",
+            "rustc_pattern_analysis",
+            "-p",
+            "rustc_lexer",
+            "-p",
+            "rustc_abi",
+            "-p",
+            "rustc_parse_format",
+            "-p",
+            "rustc_hashes",
+        ])
+        .run();
+}