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This commit is contained in:
Ralf Jung
2019-08-17 13:49:27 +02:00
parent 689c210b47
commit f19087dd7c
1 changed files with 12 additions and 14 deletions
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src/librustc_lint/builtin.rs
+12 -14
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@@ -1912,23 +1912,21 @@ fn is_dangerous_init(cx: &LateContext<'_, '_>, expr: &hir::Expr) -> Option<InitK
if let hir::ExprKind::Call(ref path_expr, ref args) = expr.node {
if let hir::ExprKind::Path(ref qpath) = path_expr.node {
if let Some(def_id) = cx.tables.qpath_res(qpath, path_expr.hir_id)
.opt_def_id()
{
if cx.match_def_path(def_id, &ZEROED_PATH) {
let def_id = cx.tables.qpath_res(qpath, path_expr.hir_id).opt_def_id()?;
if cx.match_def_path(def_id, &ZEROED_PATH) {
return Some(InitKind::Zeroed);
}
if cx.match_def_path(def_id, &UININIT_PATH) {
return Some(InitKind::Uninit);
}
if cx.match_def_path(def_id, &TRANSMUTE_PATH) {
if is_zero(&args[0]) {
return Some(InitKind::Zeroed);
}
if cx.match_def_path(def_id, &UININIT_PATH) {
return Some(InitKind::Uninit);
}
if cx.match_def_path(def_id, &TRANSMUTE_PATH) {
if is_zero(&args[0]) {
return Some(InitKind::Zeroed);
}
}
// FIXME: Also detect `MaybeUninit::zeroed().assume_init()` and
// `MaybeUninit::uninit().assume_init()`.
}
// FIXME: Also detect `MaybeUninit::zeroed().assume_init()` and
// `MaybeUninit::uninit().assume_init()`.
}
}