Rewrite link-args-order to rmake

src/doc/book

@@ -1 +1 @@
-Subproject commit 45c1a6d69edfd1fc91fb7504cb73958dbd09441e
+Subproject commit 5228bfac8267ad24659a81b92ec5417976b5edbc

src/tools/cargo

@@ -1 +1 @@
-Subproject commit a1f47ec3f7cd076986f1bfcd7061f2e8cb1a726e
+Subproject commit 4dcbca118ab7f9ffac4728004c983754bc6a04ff

src/tools/run-make-support/src/rustc.rs

@@ -230,6 +230,24 @@ impl Rustc {
         self
     }
 
+    /// Add multiple extra arguments to the linker invocation, via `-Clink-args`.
+    pub fn link_args(&mut self, link_args: &str) -> &mut Self {
+        self.cmd.arg(format!("-Clink-args={link_args}"));
+        self
+    }
+
+    /// Add an extra argument to prepend the linker invocation, via `-Zpre-link-arg`.
+    pub fn pre_link_arg(&mut self, link_arg: &str) -> &mut Self {
+        self.cmd.arg(format!("-Zpre-link-arg={link_arg}"));
+        self
+    }
+
+    /// Add multiple extra arguments to the linker invocation, via `-Zpre-link-args`.
+    pub fn pre_link_args(&mut self, link_args: &str) -> &mut Self {
+        self.cmd.arg(format!("-Zpre-link-args={link_args}"));
+        self
+    }
+
     /// Specify a stdin input
     pub fn stdin<I: AsRef<[u8]>>(&mut self, input: I) -> &mut Self {
         self.cmd.set_stdin(input.as_ref().to_vec().into_boxed_slice());
@@ -248,4 +266,10 @@ impl Rustc {
         self.cmd.arg(format!("-Clinker={linker}"));
         self
     }
+
+    /// Specify the linker flavor
+    pub fn linker_flavor(&mut self, linker_flavor: &str) -> &mut Self {
+        self.cmd.arg(format!("-Clinker-flavor={linker_flavor}"));
+        self
+    }
 }

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -100,7 +100,6 @@ run-make/libtest-json/Makefile
 run-make/libtest-junit/Makefile
 run-make/libtest-padding/Makefile
 run-make/libtest-thread-limit/Makefile
-run-make/link-args-order/Makefile
 run-make/link-cfg/Makefile
 run-make/link-framework/Makefile
 run-make/link-path-order/Makefile

tests/run-make/link-args-order/Makefile

@@ -1,10 +0,0 @@
-# ignore-msvc
-
-include ../tools.mk
-
-RUSTC_FLAGS = -C linker-flavor=ld -C link-arg=a -C link-args="b c" -C link-args="d e" -C link-arg=f
-RUSTC_FLAGS_PRE = -C linker-flavor=ld -Z pre-link-arg=a -Z pre-link-args="b c" -Z pre-link-args="d e" -Z pre-link-arg=f
-
-all:
-	$(RUSTC) $(RUSTC_FLAGS) empty.rs 2>&1 | $(CGREP) '"a" "b" "c" "d" "e" "f"'
-	$(RUSTC) $(RUSTC_FLAGS_PRE) empty.rs 2>&1 | $(CGREP) '"a" "b" "c" "d" "e" "f"'

tests/run-make/link-args-order/rmake.rs

@@ -0,0 +1,39 @@
+// Passing linker arguments to the compiler used to be lost or reordered in a messy way
+// as they were passed further to the linker. This was fixed in #70665, and this test
+// checks that linker arguments remain intact and in the order they were originally passed in.
+// See https://github.com/rust-lang/rust/pull/70665
+
+use run_make_support::rustc;
+
+fn main() {
+    assert!(
+        String::from_utf8(
+            rustc()
+                .input("empty.rs")
+                .linker_flavor("ld")
+                .link_arg("a")
+                .link_args("\"b c\"")
+                .link_args("\"d e\"")
+                .link_arg("f")
+                .run_fail()
+                .stderr
+        )
+        .unwrap()
+        .contains("\"a\" \"b\" \"c\" \"d\" \"e\" \"f\"")
+    );
+    assert!(
+        String::from_utf8(
+            rustc()
+                .input("empty.rs")
+                .linker_flavor("ld")
+                .pre_link_arg("a")
+                .pre_link_args("\"b c\"")
+                .pre_link_args("\"d e\"")
+                .pre_link_arg("f")
+                .run_fail()
+                .stderr
+        )
+        .unwrap()
+        .contains("\"a\" \"b\" \"c\" \"d\" \"e\" \"f\"")
+    );
+}