Migrate `run-make/used` to `rmake.rs`

2 files changed, 15 insertions, 7 deletions

diff --git a/tests/run-make/used/Makefile b/tests/run-make/used/Makefile
deleted file mode 100644
index e80eb9e4020..00000000000
--- a/tests/run-make/used/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-include ../tools.mk
-
-# ignore-windows-msvc
-
-all:
-	$(RUSTC) -C opt-level=3 --emit=obj used.rs
-	nm $(TMPDIR)/used.o | $(CGREP) FOO
diff --git a/tests/run-make/used/rmake.rs b/tests/run-make/used/rmake.rs
new file mode 100644
index 00000000000..56ef5c6b9cc
--- /dev/null
+++ b/tests/run-make/used/rmake.rs
@@ -0,0 +1,15 @@
+// This test ensures that the compiler is keeping static variables, even if not referenced
+// by another part of the program, in the output object file.
+//
+// It comes from #39987 which implements this RFC for the #[used] attribute:
+// https://rust-lang.github.io/rfcs/2386-used.html
+
+//@ ignore-msvc
+
+use run_make_support::{cmd, rustc};
+
+fn main() {
+    rustc().opt_level("3").emit("obj").input("used.rs").run();
+
+    cmd("nm").arg("used.o").run().assert_stdout_contains("FOO");
+}