From 46581af155e2f2a668bbd1145902cc40c39e3e69 Mon Sep 17 00:00:00 2001
From: bjorn3 <bjorn3@users.noreply.github.com>
Date: Tue, 18 Sep 2018 18:46:17 +0200
Subject: [PATCH] Replace an unimplemented! with a bug!

---
 src/abi.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/abi.rs b/src/abi.rs
index b95c9e72ced..82f8257b632 100644
--- a/src/abi.rs
+++ b/src/abi.rs
@@ -676,7 +676,7 @@ fn codegen_intrinsic_call<'a, 'tcx: 'a>(
                             fx.bcx.ins().imul_imm(len, elem_size as i64)
                         }
                         ty::Dynamic(..) => crate::vtable::size_of_obj(fx, args[0]),
-                        ty => unimplemented!("size_of_val for {:?}", ty),
+                        ty => bug!("size_of_val for unknown unsized type {:?}", ty),
                     };
                     ret.write_cvalue(fx, CValue::ByVal(size, usize_layout));
                 }