Add is_intrinsic helper

This commit is contained in:
Oli Scherer 2024-02-19 22:51:45 +00:00
parent 550b276109
commit ea92548c56

View File

@ -334,7 +334,7 @@ fn check_terminator<'tcx>(
// within const fns. `transmute` is allowed in all other const contexts. // within const fns. `transmute` is allowed in all other const contexts.
// This won't really scale to more intrinsics or functions. Let's allow const // This won't really scale to more intrinsics or functions. Let's allow const
// transmutes in const fn before we add more hacks to this. // transmutes in const fn before we add more hacks to this.
if matches!(tcx.intrinsic(fn_def_id), Some(sym::transmute)) { if tcx.is_intrinsic(fn_def_id, sym::transmute) {
return Err(( return Err((
span, span,
"can only call `transmute` from const items, not `const fn`".into(), "can only call `transmute` from const items, not `const fn`".into(),