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separate the receiver from arguments in HIR

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This commit is contained in:
Takayuki Maeda 2022-09-01 13:27:31 +09:00
parent 6e4a9ab650
commit 87c6da363f
27 changed files with 115 additions and 96 deletions
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4
compiler/rustc_lint/src/builtin.rs
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@ -2412,13 +2412,13 @@ impl<'tcx> LateLintPass<'tcx> for InvalidValue {
_ => {}
}
}
} else if let hir::ExprKind::MethodCall(_, ref args, _) = expr.kind {
} else if let hir::ExprKind::MethodCall(_, receiver, ..) = expr.kind {
// Find problematic calls to `MaybeUninit::assume_init`.
let def_id = cx.typeck_results().type_dependent_def_id(expr.hir_id)?;
if cx.tcx.is_diagnostic_item(sym::assume_init, def_id) {
// This is a call to *some* method named `assume_init`.
// See if the `self` parameter is one of the dangerous constructors.
if let hir::ExprKind::Call(ref path_expr, _) = args[0].kind {
if let hir::ExprKind::Call(ref path_expr, _) = receiver.kind {
if let hir::ExprKind::Path(ref qpath) = path_expr.kind {
let def_id = cx.qpath_res(qpath, path_expr.hir_id).opt_def_id()?;
match cx.tcx.get_diagnostic_name(def_id) {