Rewrite ls-metadata to rmake

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -108,7 +108,6 @@ run-make/llvm-ident/Makefile
 run-make/long-linker-command-lines-cmd-exe/Makefile
 run-make/long-linker-command-lines/Makefile
 run-make/longjmp-across-rust/Makefile
-run-make/ls-metadata/Makefile
 run-make/lto-dylib-dep/Makefile
 run-make/lto-empty/Makefile
 run-make/lto-linkage-used-attr/Makefile

tests/run-make/ls-metadata/Makefile

@@ -1,8 +0,0 @@
-# ignore-cross-compile
-include ../tools.mk
-
-all:
-	$(RUSTC) foo.rs
-	$(RUSTC) -Z ls=root $(TMPDIR)/foo
-	touch $(TMPDIR)/bar
-	$(RUSTC) -Z ls=root $(TMPDIR)/bar

tests/run-make/ls-metadata/rmake.rs

@@ -0,0 +1,17 @@
+// Passing invalid files to -Z ls (which lists the symbols
+// defined by a library crate) used to cause a segmentation fault.
+// As this was fixed in #11262, this test checks that no segfault
+// occurs when passing the invalid file `bar` to -Z ls.
+// See https://github.com/rust-lang/rust/issues/11259
+
+//@ ignore-cross-compile
+
+use run_make_support::fs_wrapper;
+use run_make_support::{rmake_out_path, rustc};
+
+fn main() {
+    rustc().input("foo.rs");
+    rustc().arg("-Zls=root").input(rmake_out_path("foo"));
+    fs_wrapper::create_file(rmake_out_path("bar"));
+    rustc().arg("-Zls=root").input(rmake_out_path("bar"));
+}