[SOL] Prefer command line supplied linker script over embedded one

Author: dmakarov

compiler/rustc_codegen_ssa/src/back/link.rs

@@ -1870,14 +1870,19 @@ fn add_pre_link_args(cmd: &mut dyn Linker, sess: &Session, flavor: LinkerFlavor)
     cmd.args(&sess.opts.unstable_opts.pre_link_args);
 }
 
-/// Add a link script embedded in the target, if applicable.
+/// Add a link script embedded in the target, if applicable and not found in the command line.
 fn add_link_script(cmd: &mut dyn Linker, sess: &Session, tmpdir: &Path, crate_type: CrateType) {
     match (crate_type, &sess.target.link_script) {
         (CrateType::Cdylib | CrateType::Executable, Some(script)) => {
             if !sess.target.linker_flavor.is_gnu() {
                 sess.dcx().emit_fatal(errors::LinkScriptUnavailable);
             }
 
+            if sess.opts.cg.link_args.contains(&String::from("--script"))
+                || sess.opts.cg.link_args.contains(&String::from("-T")) {
+                return;
+            }
+
             let file_name = ["rustc", &sess.target.llvm_target, "linkfile.ld"].join("-");
 
             let path = tmpdir.join(file_name);