rewrite rustc-macro-dep-files to rmake

Author: Oneirical

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -116,7 +116,6 @@ run-make/return-non-c-like-enum-from-c/Makefile
 run-make/rlib-format-packed-bundled-libs-2/Makefile
 run-make/rlib-format-packed-bundled-libs-3/Makefile
 run-make/rlib-format-packed-bundled-libs/Makefile
-run-make/rustc-macro-dep-files/Makefile
 run-make/sanitizer-cdylib-link/Makefile
 run-make/sanitizer-dylib-link/Makefile
 run-make/sanitizer-staticlib-link/Makefile

tests/run-make/rustc-macro-dep-files/Makefile

@@ -0,0 +1,13 @@
+// --emit dep-info used to print all macro-generated code it could
+// find as if it was part of a nonexistent file named "proc-macro source",
+// which is not a valid path. After this was fixed in #36776, this test checks
+// that macro code is not falsely seen as coming from a different file in dep-info.
+// See https://github.com/rust-lang/rust/issues/36625
+
+use run_make_support::{fs_wrapper, rustc, target};
+
+fn main() {
+    rustc().input("foo.rs").run();
+    rustc().input("bar.rs").target(target()).emit("dep-info").run();
+    assert!(!fs_wrapper::read_to_string("bar.d").contains("proc-macro source"));
+}