Avoid a string allocation.

rust-lang · Nov 19, 2015 · 83b6369 · 83b6369
1 parent 3ccef0f
commit 83b6369
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/librustc_trans/trans/base.rs b/src/librustc_trans/trans/base.rs
@@ -666,7 +666,7 @@ pub fn unsize_thin_ptr<'blk, 'tcx>(bcx: Block<'blk, 'tcx>,
             (PointerCast(bcx, src, ptr_ty),
              unsized_info(bcx.ccx(), a, b, None, bcx.fcx.param_substs))
         }
-        _ => bcx.sess().bug(&format!("unsize_thin_ptr: called on bad types")),
+        _ => bcx.sess().bug("unsize_thin_ptr: called on bad types"),
     }
 }