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fix(hir_analysis/wfcheck): don't leak {type error}

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avoid `{type error}` being leaked in user-facing messages,
particularly when using the `adt_const_params` feature
This commit is contained in:
Barrett Ray 2024-09-29 15:28:11 -05:00
parent 42ff2eedb0
commit c5598d6a9e
68 changed files with 147 additions and 324 deletions
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17
compiler/rustc_hir_analysis/src/check/wfcheck.rs
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@ -961,13 +961,20 @@ fn check_param_wf(tcx: TyCtxt<'_>, param: &hir::GenericParam<'_>) -> Result<(),
hir_ty.span,
"using raw pointers as const generic parameters is forbidden",
),
_ => tcx.dcx().struct_span_err(
hir_ty.span,
format!("`{}` is forbidden as the type of a const generic parameter", ty),
),
_ => {
// Avoid showing "{type error}" to users. See #118179.
ty.error_reported()?;
tcx.dcx().struct_span_err(
hir_ty.span,
format!(
"`{ty}` is forbidden as the type of a const generic parameter",
),
)
}
};
diag.note("the only supported types are integers, `bool` and `char`");
diag.note("the only supported types are integers, `bool`, and `char`");
let cause = ObligationCause::misc(hir_ty.span, param.def_id);
let adt_const_params_feature_string =