librustc: Restrict transmute intrinsicck to just rust-intrinsic fn's.
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@ -73,9 +73,13 @@ struct IntrinsicCheckingVisitor<'a> {
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impl<'a> IntrinsicCheckingVisitor<'a> {
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fn def_id_is_transmute(&self, def_id: DefId) -> bool {
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let intrinsic = match ty::get(ty::lookup_item_type(self.tcx, def_id).ty).sty {
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ty::ty_bare_fn(ref bfty) => bfty.abi == RustIntrinsic,
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_ => return false
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};
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if def_id.krate == ast::LOCAL_CRATE {
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match self.tcx.map.get(def_id.node) {
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NodeForeignItem(ref item) => {
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NodeForeignItem(ref item) if intrinsic => {
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token::get_ident(item.ident) ==
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token::intern_and_get_ident("transmute")
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}
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@ -83,11 +87,11 @@ impl<'a> IntrinsicCheckingVisitor<'a> {
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}
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} else {
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match csearch::get_item_path(self.tcx, def_id).last() {
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None => false,
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Some(ref last) => {
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Some(ref last) if intrinsic => {
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token::get_name(last.name()) ==
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token::intern_and_get_ident("transmute")
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}
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_ => false,
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}
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}
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}
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