Include ld64 nexte to ld for use with -Z gcc-ld

Author: hkratz

src/bootstrap/compile.rs

@@ -1121,6 +1121,10 @@ impl Step for Assemble {
                 &lld_install.join("bin").join(&src_exe),
                 &gcc_ld_dir.join(exe("ld", target_compiler.host)),
             );
+            builder.copy(
+                &lld_install.join("bin").join(&src_exe),
+                &gcc_ld_dir.join(exe("ld64", target_compiler.host)),
+            );
         }
 
         // Similarly, copy `llvm-dwp` into libdir for Split DWARF. Only copy it when the LLVM

src/bootstrap/dist.rs

@@ -412,6 +412,8 @@ impl Step for Rustc {
                 let gcc_lld_dir = dst_dir.join("gcc-ld");
                 t!(fs::create_dir(&gcc_lld_dir));
                 builder.copy(&src_dir.join(&rust_lld), &gcc_lld_dir.join(exe("ld", compiler.host)));
+                builder
+                    .copy(&src_dir.join(&rust_lld), &gcc_lld_dir.join(exe("ld64", compiler.host)));
             }
 
             // Copy over llvm-dwp if it's there