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Auto merge of #89158 - the8472:rollup-3e4ijth, r=the8472

Browse Source 
Rollup of 12 pull requests

Successful merges:

 - #88795 (Print a note if a character literal contains a variation selector)
 - #89015 (core::ascii::escape_default: reduce struct size)
 - #89078 (Cleanup: Remove needless reference in ParentHirIterator)
 - #89086 (Stabilize `Iterator::map_while`)
 - #89096 ([bootstrap] Improve the error message when `ninja` is not found to link to installation instructions)
 - #89113 (dont `.ensure()` the `thir_abstract_const` query call in `mir_build`)
 - #89114 (Fixes a technicality regarding the size of C's `char` type)
 - #89115 (⬆️ rust-analyzer)
 - #89126 (Fix ICE when `indirect_structural_match` is allowed)
 - #89141 (Impl `Error` for `FromSecsError` without foreign type)
 - #89142 (Fix match for placeholder region)
 - #89147 (add case for checking const refs in check_const_value_eq)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
This commit is contained in:
bors 2021-09-21 22:07:32 +00:00
commit b51b17288e
2 changed files with 6 additions and 12 deletions
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3
clippy_utils/src/higher.rs
View File

@ -105,8 +105,7 @@ impl<'hir> IfLet<'hir> {
if_else,
) = expr.kind
{
let hir = cx.tcx.hir();
let mut iter = hir.parent_iter(expr.hir_id);
let mut iter = cx.tcx.hir().parent_iter(expr.hir_id);
if let Some((_, Node::Block(Block { stmts: [], .. }))) = iter.next() {
if let Some((
_,

15
clippy_utils/src/lib.rs
View File

@ -833,12 +833,11 @@ pub fn capture_local_usage(cx: &LateContext<'tcx>, e: &Expr<'_>) -> CaptureKind
ExprKind::Path(QPath::Resolved(None, Path { res: Res::Local(_), .. }))
));
let map = cx.tcx.hir();
let mut child_id = e.hir_id;
let mut capture = CaptureKind::Value;
let mut capture_expr_ty = e;
for (parent_id, parent) in map.parent_iter(e.hir_id) {
for (parent_id, parent) in cx.tcx.hir().parent_iter(e.hir_id) {
if let [Adjustment {
kind: Adjust::Deref(_) | Adjust::Borrow(AutoBorrow::Ref(..)),
target,
@ -1224,8 +1223,7 @@ pub fn get_enclosing_block<'tcx>(cx: &LateContext<'tcx>, hir_id: HirId) -> Optio
/// Gets the loop or closure enclosing the given expression, if any.
pub fn get_enclosing_loop_or_closure(tcx: TyCtxt<'tcx>, expr: &Expr<'_>) -> Option<&'tcx Expr<'tcx>> {
let map = tcx.hir();
for (_, node) in map.parent_iter(expr.hir_id) {
for (_, node) in tcx.hir().parent_iter(expr.hir_id) {
match node {
Node::Expr(
e
@ -1244,8 +1242,7 @@ pub fn get_enclosing_loop_or_closure(tcx: TyCtxt<'tcx>, expr: &Expr<'_>) -> Opti
/// Gets the parent node if it's an impl block.
pub fn get_parent_as_impl(tcx: TyCtxt<'_>, id: HirId) -> Option<&Impl<'_>> {
let map = tcx.hir();
match map.parent_iter(id).next() {
match tcx.hir().parent_iter(id).next() {
Some((
_,
Node::Item(Item {
@ -1259,8 +1256,7 @@ pub fn get_parent_as_impl(tcx: TyCtxt<'_>, id: HirId) -> Option<&Impl<'_>> {
/// Checks if the given expression is the else clause of either an `if` or `if let` expression.
pub fn is_else_clause(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool {
let map = tcx.hir();
let mut iter = map.parent_iter(expr.hir_id);
let mut iter = tcx.hir().parent_iter(expr.hir_id);
match iter.next() {
Some((
_,
@ -1794,9 +1790,8 @@ pub fn is_expr_identity_function(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool
/// Gets the node where an expression is either used, or it's type is unified with another branch.
pub fn get_expr_use_or_unification_node(tcx: TyCtxt<'tcx>, expr: &Expr<'_>) -> Option<Node<'tcx>> {
let map = tcx.hir();
let mut child_id = expr.hir_id;
let mut iter = map.parent_iter(child_id);
let mut iter = tcx.hir().parent_iter(child_id);
loop {
match iter.next() {
None => break None,