use rustc_middle::ty::TyCtxt;
use rustc_session::config::CrateType;
-use crate::errors::{
- AllocFuncRequired, MissingAllocErrorHandler, MissingLangItem, MissingPanicHandler,
- UnknownExternLangItem,
-};
+use crate::errors::{MissingLangItem, MissingPanicHandler, UnknownExternLangItem};
/// Checks the crate for usage of weak lang items, returning a vector of all the
/// language items required by this crate, but not defined yet.
-pub fn check_crate<'tcx>(tcx: TyCtxt<'tcx>, items: &mut lang_items::LanguageItems) {
+pub fn check_crate(tcx: TyCtxt<'_>, items: &mut lang_items::LanguageItems) {
// These are never called by user code, they're generated by the compiler.
// They will never implicitly be added to the `missing` array unless we do
// so here.
verify(tcx, items);
}
-fn verify<'tcx>(tcx: TyCtxt<'tcx>, items: &lang_items::LanguageItems) {
+fn verify(tcx: TyCtxt<'_>, items: &lang_items::LanguageItems) {
// We only need to check for the presence of weak lang items if we're
// emitting something that's not an rlib.
let needs_check = tcx.sess.crate_types().iter().any(|kind| match *kind {
if missing.contains(&item) && required(tcx, item) && items.get(item).is_none() {
if item == LangItem::PanicImpl {
tcx.sess.emit_err(MissingPanicHandler);
- } else if item == LangItem::Oom {
- if !tcx.features().default_alloc_error_handler {
- tcx.sess.emit_err(AllocFuncRequired);
- tcx.sess.emit_note(MissingAllocErrorHandler);
- }
} else {
tcx.sess.emit_err(MissingLangItem { name: item.name() });
}