bjoernager/rust
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Deeply deny fn and raw ptrs in const generics

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This commit is contained in:
Michael Goulet 2022-07-23 20:09:52 +00:00
parent babff2211e
commit 1152e70363
17 changed files with 147 additions and 61 deletions
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8
compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs
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@ -120,7 +120,7 @@ impl<'a, 'tcx> ConstToPat<'a, 'tcx> {
}
fn search_for_structural_match_violation(&self, ty: Ty<'tcx>) -> Option<String> {
traits::search_for_structural_match_violation(self.span, self.tcx(), ty, true).map(
traits::search_for_structural_match_violation(self.span, self.tcx(), ty, false).map(
|non_sm_ty| {
with_no_trimmed_paths!(match non_sm_ty.kind {
traits::NonStructuralMatchTyKind::Adt(adt) => self.adt_derive_msg(adt),
@ -139,6 +139,12 @@ impl<'a, 'tcx> ConstToPat<'a, 'tcx> {
traits::NonStructuralMatchTyKind::Float => {
"floating-point numbers cannot be used in patterns".to_string()
}
traits::NonStructuralMatchTyKind::FnPtr => {
"function pointers cannot be used in patterns".to_string()
}
traits::NonStructuralMatchTyKind::RawPtr => {
"raw pointers cannot be used in patterns".to_string()
}
traits::NonStructuralMatchTyKind::Param => {
bug!("use of a constant whose type is a parameter inside a pattern")
}