Fix fallout from rebase

Author: Aaron1011

src/fn_call.rs

@@ -145,7 +145,7 @@ pub trait EvalContextExt<'a, 'mir, 'tcx: 'a + 'mir>: crate::MiriEvalContextExt<'
         dest: Option<PlaceTy<'tcx, Tag>>,
         ret: Option<mir::BasicBlock>,
         unwind: Option<mir::BasicBlock>
-    ) -> EvalResult<'tcx, Option<&'mir mir::Mir<'tcx>>> {
+    ) -> EvalResult<'tcx, Option<&'mir mir::Body<'tcx>>> {
         let def_id = instance.def_id();
         let this = self.eval_context_mut();
         let attrs = this.tcx.get_attrs(def_id);