rewrite and rename issue-25581

Author: Oneirical

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -44,7 +44,6 @@ run-make/issue-107094/Makefile
 run-make/issue-14698/Makefile
 run-make/issue-15460/Makefile
 run-make/issue-22131/Makefile
-run-make/issue-25581/Makefile
 run-make/issue-26006/Makefile
 run-make/issue-28595/Makefile
 run-make/issue-33329/Makefile

tests/run-make/extern-fn-slice-no-ice/rmake.rs

@@ -0,0 +1,17 @@
+// Slices were broken when implicated in foreign-function interface (FFI) with
+// a C library, with something as simple as measuring the length or returning
+// an item at a certain index of a slice would cause an internal compiler error (ICE).
+// This was fixed in #25653, and this test checks that slices in Rust-C FFI can be part
+// of a program that compiles and executes successfully.
+// See https://github.com/rust-lang/rust/issues/25581
+
+//@ 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("test.rs").run();
+    run("test");
+}