Move alloc tests to rmake

src/tools/run-make-support/src/lib.rs

@@ -45,6 +45,12 @@ impl RustcInvocationBuilder {
         self
     }
 
+    pub fn arg_path(&mut self, path: &[&str]) -> &mut RustcInvocationBuilder {
+        let path_buf = path.iter().collect::<PathBuf>();
+        self.cmd.arg(path_buf.to_str().unwrap());
+        self
+    }
+
     #[track_caller]
     pub fn run(&mut self) -> Output {
         let caller_location = std::panic::Location::caller();

tests/run-make/alloc-no-oom-handling/rmake.rs

@@ -0,0 +1,19 @@
+// ignore-tidy-linelength
+
+extern crate run_make_support;
+
+use run_make_support::rustc;
+use std::path::PathBuf;
+
+fn main() {
+    rustc()
+        .arg("--edition")
+        .arg("2021")
+        .arg("-Dwarnings")
+        .arg("--crate-type")
+        .arg("rlib")
+        .arg_path(&["..", "..", "..", "library", "alloc", "src", "lib.rs"])
+        .arg("--cfg")
+        .arg("no_global_oom_handling")
+        .run();
+}

tests/run-make/alloc-no-rc/rmake.rs

@@ -0,0 +1,19 @@
+// ignore-tidy-linelength
+
+extern crate run_make_support;
+
+use run_make_support::rustc;
+use std::path::PathBuf;
+
+fn main() {
+    rustc()
+        .arg("--edition")
+        .arg("2021")
+        .arg("-Dwarnings")
+        .arg("--crate-type")
+        .arg("rlib")
+        .arg_path(&["..", "..", "..", "library", "alloc", "src", "lib.rs"])
+        .arg("--cfg")
+        .arg("no_rc")
+        .run();
+}

tests/run-make/alloc-no-sync/rmake.rs

@@ -0,0 +1,19 @@
+// ignore-tidy-linelength
+
+extern crate run_make_support;
+
+use run_make_support::rustc;
+use std::path::PathBuf;
+
+fn main() {
+    rustc()
+        .arg("--edition")
+        .arg("2021")
+        .arg("-Dwarnings")
+        .arg("--crate-type")
+        .arg("rlib")
+        .arg_path(&["..", "..", "..", "library", "alloc", "src", "lib.rs"])
+        .arg("--cfg")
+        .arg("no_sync")
+        .run();
+}