// sensitive check here. But we can at least rule out functions that are not const
// at all.
if !ecx.tcx.is_const_fn_raw(def.did) {
- // Some functions we support even if they are non-const -- but avoid testing
- // that for const fn!
- ecx.hook_panic_fn(instance, args)?;
- // We certainly do *not* want to actually call the fn
- // though, so be sure we return here.
- throw_unsup_format!("calling non-const function `{}`", instance)
+ // allow calling functions marked with #[default_method_body_is_const].
+ if !ecx.tcx.has_attr(def.did, sym::default_method_body_is_const) {
+ // Some functions we support even if they are non-const -- but avoid testing
+ // that for const fn!
+ ecx.hook_panic_fn(instance, args)?;
+ // We certainly do *not* want to actually call the fn
+ // though, so be sure we return here.
+ throw_unsup_format!("calling non-const function `{}`", instance)
+ }
}
}
// This is a const fn. Call it.