---

yaml
---
r: 98166
b: refs/heads/master
c: e71571a
h: refs/heads/master
v: v3

Author: nikomatsakis

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 419ac4a1b899ba88fb360b4c71c08f3610564cd4
+refs/heads/master: e71571a3cda0f7a283bd58a1c74a79c06de27661
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: b6400f998497c3958f40997a71756ead344a776d
 refs/heads/try: c274a6888410ce3e357e014568b43310ed787d36

trunk/src/librustc/middle/trans/foreign.rs

@@ -282,20 +282,20 @@ pub fn trans_native_call<'a>(
             // FIXME(#8357) We really ought to report a span here
             ccx.sess.fatal(
                 format!("ABI string `{}` has no suitable ABI \
-                      for target architecture",
-                     fn_abis.user_string(ccx.tcx)));
+                        for target architecture",
+                        fn_abis.user_string(ccx.tcx)));
         }
     };
 
     // A function pointer is called without the declaration available, so we have to apply
     // any attributes with ABI implications directly to the call instruction. Right now, the
     // only attribute we need to worry about is `sret`.
-    let sret_attr = [(1, StructRetAttribute)];
-    let attrs = if fn_type.ret_ty.is_indirect() {
-        sret_attr.as_slice()
+    let sret_attr = if fn_type.ret_ty.is_indirect() {
+        Some((1, StructRetAttribute))
     } else {
-        &[]
+        None
     };
+    let attrs = sret_attr.as_slice();
     let llforeign_retval = CallWithConv(bcx, llfn, llargs_foreign, cc, attrs);
 
     // If the function we just called does not use an outpointer,