rewrite pass-non-c-like-enum-to-c to rmake

tests/run-make/c-static-dylib/rmake.rs

@@ -6,15 +6,15 @@
 // Reason: the compiled binary is executed
 
 use run_make_support::{
-    build_native_static_lib, dynamic_lib_name, fs_wrapper, run, run_fail, rustc, static_lib_name,
+    build_native_static_lib, dynamic_lib_name, rfs, run, run_fail, rustc, static_lib_name,
 };
 
 fn main() {
     build_native_static_lib("cfoo");
     rustc().input("foo.rs").arg("-Cprefer-dynamic").run();
     rustc().input("bar.rs").run();
-    fs_wrapper::remove_file(static_lib_name("cfoo"));
+    rfs::remove_file(static_lib_name("cfoo"));
     run("bar");
-    fs_wrapper::remove_file(dynamic_lib_name("foo"));
+    rfs::remove_file(dynamic_lib_name("foo"));
     run_fail("bar");
 }

tests/run-make/c-static-rlib/rmake.rs

@@ -5,15 +5,13 @@
 //@ ignore-cross-compile
 // Reason: the compiled binary is executed
 
-use run_make_support::{
-    build_native_static_lib, fs_wrapper, run, rust_lib_name, rustc, static_lib_name,
-};
+use run_make_support::{build_native_static_lib, rfs, run, rust_lib_name, rustc, static_lib_name};
 
 fn main() {
     build_native_static_lib("cfoo");
     rustc().input("foo.rs").run();
     rustc().input("bar.rs").run();
-    fs_wrapper::remove_file(rust_lib_name("foo"));
-    fs_wrapper::remove_file(static_lib_name("cfoo"));
+    rfs::remove_file(rust_lib_name("foo"));
+    rfs::remove_file(static_lib_name("cfoo"));
     run("bar");
 }

tests/run-make/pass-non-c-like-enum-to-c/rmake.rs

@@ -0,0 +1,19 @@
+// Similar to the `return-non-c-like-enum-from-c` test, where
+// the C code is the library, and the Rust code compiles
+// into the executable. Once again, enum variants should be treated
+// like an union of structs, which should prevent segfaults or
+// unexpected results. The only difference with the aforementioned
+// test is that the structs are passed into C directly through the
+// `tt_add` and `t_add` function calls.
+// See https://github.com/rust-lang/rust/issues/68190
+
+//@ ignore-cross-compile
+// Reason: the compiled binary is executed
+
+use run_make_support::{build_native_static_lib, run, rustc};
+
+fn main() {
+    build_native_static_lib("test");
+    rustc().input("nonclike.rs").arg("-ltest").run();
+    run("nonclike");
+}