rewrite pass-linker-flags to rmake

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -108,7 +108,6 @@ run-make/output-type-permutations/Makefile
 run-make/panic-abort-eh_frame/Makefile
 run-make/pass-linker-flags-flavor/Makefile
 run-make/pass-linker-flags-from-dep/Makefile
-run-make/pass-linker-flags/Makefile
 run-make/pass-non-c-like-enum-to-c/Makefile
 run-make/pdb-buildinfo-cl-cmd/Makefile
 run-make/pgo-gen-lto/Makefile

tests/run-make/pass-linker-flags/Makefile

@@ -1,5 +0,0 @@
-include ../tools.mk
-
-all:
-	$(RUSTC) empty.rs -Z unstable-options -l static=l1 -l link-arg=a1 -l static=l2 -l link-arg=a2 -l dylib=d1 -l link-arg=a3 --print link-args | $(CGREP) -e 'l1.*a1.*l2.*a2.*d1.*a3'
-	$(RUSTC) attribute.rs --print link-args | $(CGREP) -e 'l1.*a1.*l2.*a2.*d1.*a3'

tests/run-make/pass-linker-flags/rmake.rs

@@ -0,0 +1,27 @@
+// This test checks the proper function of `-l link-arg=NAME`, which, unlike
+// -C link-arg, is supposed to guarantee that the order relative to other -l
+// options will be respected. In this test, compilation fails (because none of the
+// link arguments like `a1` exist), but it is still checked if the output contains the
+// link arguments in the exact order they were passed in. `attribute.rs` is a variant
+// of the test where the flags are defined in the rust file itself.
+// See https://github.com/rust-lang/rust/issues/99427
+
+use run_make_support::{regex, rustc};
+
+fn main() {
+    let out = rustc()
+        .input("empty.rs")
+        .arg("-Zunstable-options")
+        .args(&["-l", "static=l1"])
+        .arg("-llink-arg=a1")
+        .arg("-lstatic=l2")
+        .arg("-llink-arg=a2")
+        .arg("-ldylib=d1")
+        .arg("-llink-arg=a3")
+        .print("link-args")
+        .run_unchecked()
+        .stdout_utf8();
+    let out2 = rustc().input("attribute.rs").print("link-args").run_unchecked().stdout_utf8();
+    let re = regex::Regex::new("l1.*a1.*l2.*a2.*d1.*a3").unwrap();
+    assert!(re.is_match(&out) && re.is_match(&out2));
+}