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disable missing_copy_implementations lint on non_exhaustive types

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use is_variant_list_non_exhaustive/is_field_list_non_exhaustive

remove unused tcx

inline non_exhaustive def/variant check
This commit is contained in:
Ryan Mehri 2023-10-16 11:05:04 -07:00
parent eea26141ec
commit a8e7e79101
2 changed files with 30 additions and 0 deletions
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5
compiler/rustc_lint/src/builtin.rs
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@ -677,6 +677,11 @@ impl<'tcx> LateLintPass<'tcx> for MissingCopyImplementations {
if type_implements_negative_copy_modulo_regions(cx.tcx, ty, param_env) {
return;
}
if def.is_variant_list_non_exhaustive()
|| def.variants().iter().any(|variant| variant.is_field_list_non_exhaustive())
{
return;
}
// We shouldn't recommend implementing `Copy` on stateful things,
// such as iterators.