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Add #[rustc_no_mir_inline] for standard library UB checks

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Co-authored-by: Ben Kimock <kimockb@gmail.com>
This commit is contained in:
Nilstrieb 2024-02-14 22:08:03 +01:00
parent 933a05bd0b
commit 81d7069e34
9 changed files with 107 additions and 3 deletions
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4
compiler/rustc_mir_transform/src/inline.rs
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@ -421,6 +421,10 @@ impl<'tcx> Inliner<'tcx> {
callee_attrs: &CodegenFnAttrs,
cross_crate_inlinable: bool,
) -> Result<(), &'static str> {
if self.tcx.has_attr(callsite.callee.def_id(), sym::rustc_no_mir_inline) {
return Err("#[rustc_no_mir_inline]");
}
if let InlineAttr::Never = callee_attrs.inline {
return Err("never inline hint");
}