rewrite and rename issue-37893 to rmake

Author: Oneirical

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -73,7 +73,6 @@ run-make/forced-unwind-terminate-pof/Makefile
 run-make/foreign-double-unwind/Makefile
 run-make/foreign-exceptions/Makefile
 run-make/foreign-rust-exceptions/Makefile
-run-make/fpic/Makefile
 run-make/glibc-staticlib-args/Makefile
 run-make/inaccessible-temp-dir/Makefile
 run-make/include_bytes_deps/Makefile
@@ -104,7 +103,6 @@ run-make/issue-33329/Makefile
 run-make/issue-35164/Makefile
 run-make/issue-36710/Makefile
 run-make/issue-37839/Makefile
-run-make/issue-37893/Makefile
 run-make/issue-40535/Makefile
 run-make/issue-47384/Makefile
 run-make/issue-47551/Makefile

tests/run-make/issue-37893/Makefile

@@ -0,0 +1,15 @@
+// a.rs is a procedural macro crate, on which b.rs and c.rs depend. A now
+// patched bug caused a compilation failure if the proc-macro crate was
+// initialized with its dependents in this exact order. This test checks
+// that compilation succeeds even when initialization is done in this order.
+// See https://github.com/rust-lang/rust/issues/37893
+
+//@ ignore-cross-compile
+
+use run_make_support::rustc;
+
+fn main() {
+    rustc().input("a.rs").run();
+    rustc().input("b.rs").run();
+    rustc().input("c.rs").run();
+}