Add default implementation for enforce_abi()

Author: hyd-dev

compiler/rustc_mir/src/interpret/machine.rs

@@ -133,7 +133,9 @@ pub trait Machine<'mir, 'tcx>: Sized {
     fn enforce_validity(ecx: &InterpCx<'mir, 'tcx, Self>) -> bool;
 
     /// Whether function calls should be [ABI](Abi)-checked.
-    fn enforce_abi(ecx: &InterpCx<'mir, 'tcx, Self>) -> bool;
+    fn enforce_abi(_ecx: &InterpCx<'mir, 'tcx, Self>) -> bool {
+        true
+    }
 
     /// Entry point for obtaining the MIR of anything that should get evaluated.
     /// So not just functions and shims, but also const/static initializers, anonymous
@@ -447,11 +449,6 @@ pub macro compile_time_machine(<$mir: lifetime, $tcx: lifetime>) {
         false // for now, we don't enforce validity
     }
 
-    #[inline(always)]
-    fn enforce_abi(_ecx: &InterpCx<$mir, $tcx, Self>) -> bool {
-        true
-    }
-
     #[inline(always)]
     fn call_extra_fn(
         _ecx: &mut InterpCx<$mir, $tcx, Self>,