---

yaml
---
r: 4703
b: refs/heads/master
c: 14d85ca
h: refs/heads/master
i:
  4701: a288e80
  4699: f3e8bbb
  4695: 4f46c17
  4687: f26e5b2
  4671: 4350ee3
v: v3

Author: msullivan

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d55048ec5cd40c1eafdd2f7fcee8d3b97697066f
+refs/heads/master: 14d85ca87a076d674e4a434d4c27e0fed8335f19

trunk/src/comp/middle/trans.rs

@@ -4436,7 +4436,7 @@ fn trans_bind_thunk(cx: &@local_ctxt, sp: &span, incoming_fty: &ty::t,
         type_of_fn_from_ty(bcx_ccx(bcx), sp, outgoing_fty, ty_param_count);
     lltargetfn = bcx.build.PointerCast(lltargetfn, T_ptr(T_ptr(lltargetty)));
     lltargetfn = bcx.build.Load(lltargetfn);
-    bcx.build.FastCall(lltargetfn, llargs);
+    llvm::LLVMSetTailCall(bcx.build.FastCall(lltargetfn, llargs), 1);
     bcx.build.RetVoid();
     finish_fn(fcx, lltop);
     ret {val: llthunk, ty: llthunk_ty};