rewrite and rename issue-40535 to rmake

Author: Oneirical

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -78,7 +78,6 @@ run-make/issue-33329/Makefile
 run-make/issue-35164/Makefile
 run-make/issue-36710/Makefile
 run-make/issue-37839/Makefile
-run-make/issue-40535/Makefile
 run-make/issue-47384/Makefile
 run-make/issue-47551/Makefile
 run-make/issue-68794-textrel-on-minimal-lib/Makefile

tests/run-make/issue-40535/Makefile

@@ -0,0 +1,14 @@
+// In a dependency hierarchy, metadata-only crates could cause an Internal
+// Compiler Error (ICE) due to a compiler bug - not correctly fetching sources for
+// metadata-only crates. This test is a minimal reproduction of a program that triggered
+// this bug, and checks that no ICE occurs.
+// See https://github.com/rust-lang/rust/issues/40535
+
+use run_make_support::rustc;
+
+fn main() {
+    rustc().input("baz.rs").emit("metadata").run();
+    rustc().input("bar.rs").emit("metadata").extern_("baz", "libbaz.rmeta").run();
+    // There should be no internal compiler error message.
+    rustc().input("foo.rs").emit("metadata").extern_("bar", "libbaz.rmeta").run().assert_stderr_not_contains("unexpectedly panicked");
+}