rewrite and rename issue-69368 to rmake

Author: Oneirical

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -55,7 +55,6 @@ run-make/issue-26006/Makefile
 run-make/issue-28595/Makefile
 run-make/issue-33329/Makefile
 run-make/issue-36710/Makefile
-run-make/issue-69368/Makefile
 run-make/issue-83045/Makefile
 run-make/issue-84395-lto-embed-bitcode/Makefile
 run-make/issue-85019-moved-src-dir/Makefile

tests/run-make/issue-69368/Makefile tests/run-make/crate-circular-deps-link/Makefile

@@ -0,0 +1,22 @@
+// Test that previously triggered a linker failure with root cause
+// similar to one found in the issue #69368.
+//
+// The crate that provides oom lang item is missing some other lang
+// items. Necessary to prevent the use of start-group / end-group.
+//
+// The weak lang items are defined in a separate compilation units,
+// so that linker could omit them if not used.
+//
+// The crates that need those weak lang items are dependencies of
+// crates that provide them.
+// See https://github.com/rust-lang/rust/issues/69371
+
+//FIXME(Oneirical): try it on test-various
+
+use run_make_support::rustc;
+
+fn main() {
+    rustc().input("a.rs").run();
+    rustc().input("b.rs").run();
+    rustc().input("c.rs").run();
+}