fix ice when checking rustc libstd
thread 'rustc' panicked at 'index out of bounds: the len is 0 but the index is 0', src/tools/clippy/clippy_lints/src/matches.rs:1595:53 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace I don't have a minimised testcase because I don't have time to reduce libstd down to a few lines right now.
This commit is contained in:
parent
7c7683c8ef
commit
572c405da0
|
@ -1590,9 +1590,9 @@ fn is_none_arm(cx: &LateContext<'_>, arm: &Arm<'_>) -> bool {
|
|||
// Checks if arm has the form `Some(ref v) => Some(v)` (checks for `ref` and `ref mut`)
|
||||
fn is_ref_some_arm(cx: &LateContext<'_>, arm: &Arm<'_>) -> Option<BindingAnnotation> {
|
||||
if_chain! {
|
||||
if let PatKind::TupleStruct(ref qpath, pats, _) = arm.pat.kind;
|
||||
if let PatKind::TupleStruct(ref qpath, [first_pat, ..], _) = arm.pat.kind;
|
||||
if is_lang_ctor(cx, qpath, OptionSome);
|
||||
if let PatKind::Binding(rb, .., ident, _) = pats[0].kind;
|
||||
if let PatKind::Binding(rb, .., ident, _) = first_pat.kind;
|
||||
if rb == BindingAnnotation::Ref || rb == BindingAnnotation::RefMut;
|
||||
if let ExprKind::Call(e, args) = remove_blocks(arm.body).kind;
|
||||
if let ExprKind::Path(ref some_path) = e.kind;
|
||||
|
|
Loading…
Reference in a new issue