Migrate run-make/symlinked-rlib to rmake.rs

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -238,7 +238,6 @@ run-make/symbol-visibility/Makefile
 run-make/symbols-include-type-name/Makefile
 run-make/symlinked-extern/Makefile
 run-make/symlinked-libraries/Makefile
-run-make/symlinked-rlib/Makefile
 run-make/sysroot-crates-are-unstable/Makefile
 run-make/target-cpu-native/Makefile
 run-make/target-specs/Makefile

tests/run-make/symlinked-rlib/rmake.rs

@@ -0,0 +1,15 @@
+//@ ignore-cross-compile
+// `ln` is actually `cp` on msys.
+//@ ignore-windows
+
+use run_make_support::{rustc, tmp_dir};
+use std::process::Command;
+
+fn main() {
+    let out = tmp_dir().join("foo.xxx");
+
+    rustc().input("foo.rs").crate_type("rlib").output(&out).run();
+    let output = Command::new("ln").arg("-nsf").arg(out).arg(tmp_dir().join("libfoo.rlib")).output().unwrap();
+    assert!(output.status.success());
+    rustc().input("bar.rs").library_search_path(tmp_dir()).run();
+}