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Revert "Create const block DefIds in typeck instead of ast lowering"

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This reverts commit ddc5f9b6c1.
This commit is contained in:
Oli Scherer 2024-06-03 09:11:58 +00:00
parent 16fcbd21e5
commit abd011638d
3 changed files with 10 additions and 34 deletions
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6
clippy_utils/src/consts.rs
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@ -6,7 +6,7 @@
use rustc_ast::ast::{self, LitFloatType, LitKind};
use rustc_data_structures::sync::Lrc;
use rustc_hir::def::{DefKind, Res};
use rustc_hir::{BinOp, BinOpKind, Block, Expr, ExprKind, HirId, Item, ItemKind, Node, QPath, UnOp};
use rustc_hir::{BinOp, BinOpKind, Block, ConstBlock, Expr, ExprKind, HirId, Item, ItemKind, Node, QPath, UnOp};
use rustc_lexer::tokenize;
use rustc_lint::LateContext;
use rustc_middle::mir::interpret::{alloc_range, Scalar};
@ -412,7 +412,7 @@ pub fn new(lcx: &'a LateContext<'tcx>, typeck_results: &'a ty::TypeckResults<'tc
/// Simple constant folding: Insert an expression, get a constant or none.
pub fn expr(&mut self, e: &Expr<'_>) -> Option<Constant<'tcx>> {
match e.kind {
ExprKind::ConstBlock(e) | ExprKind::DropTemps(e) => self.expr(e),
ExprKind::ConstBlock(ConstBlock { body, .. }) => self.expr(self.lcx.tcx.hir().body(body).value), ExprKind::DropTemps(e) => self.expr(e),
ExprKind::Path(ref qpath) => {
self.fetch_path_and_apply(qpath, e.hir_id, self.typeck_results.expr_ty(e), |this, result| {
let result = mir_to_const(this.lcx, result)?;
@ -490,7 +490,7 @@ pub fn expr(&mut self, e: &Expr<'_>) -> Option<Constant<'tcx>> {
/// leaves the local crate.
pub fn expr_is_empty(&mut self, e: &Expr<'_>) -> Option<bool> {
match e.kind {
ExprKind::ConstBlock(e) | ExprKind::DropTemps(e) => self.expr_is_empty(e),
ExprKind::ConstBlock(ConstBlock { body, .. }) => self.expr_is_empty(self.lcx.tcx.hir().body(body).value), ExprKind::DropTemps(e) => self.expr_is_empty(e),
ExprKind::Path(ref qpath) => {
if !self
.typeck_results

6
clippy_utils/src/hir_utils.rs
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@ -295,7 +295,7 @@ pub fn eq_expr(&mut self, left: &Expr<'_>, right: &Expr<'_>) -> bool {
self.eq_expr(lx, rx) && self.eq_ty(lt, rt)
},
(&ExprKind::Closure(_l), &ExprKind::Closure(_r)) => false,
(&ExprKind::ConstBlock(lb), &ExprKind::ConstBlock(rb)) => self.eq_expr(lb, rb),
(&ExprKind::ConstBlock(lb), &ExprKind::ConstBlock(rb)) => self.eq_body(lb.body, rb.body),
(&ExprKind::Continue(li), &ExprKind::Continue(ri)) => {
both(&li.label, &ri.label, |l, r| l.ident.name == r.ident.name)
},
@ -769,8 +769,8 @@ pub fn hash_expr(&mut self, e: &Expr<'_>) {
// closures inherit TypeckResults
self.hash_expr(self.cx.tcx.hir().body(body).value);
},
ExprKind::ConstBlock(l_id) => {
self.hash_expr(l_id);
ExprKind::ConstBlock(ref l_id) => {
self.hash_body(l_id.body);
},
ExprKind::DropTemps(e) | ExprKind::Yield(e, _) => {
self.hash_expr(e);

32
tests/ui/arithmetic_side_effects.stderr
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@ -1,35 +1,11 @@
error: arithmetic operation that can potentially result in unexpected side-effects
--> tests/ui/arithmetic_side_effects.rs:188:36
|
LL | let _ = const { let mut n = 1; n += 1; n };
| ^^^^^^
|
= note: `-D clippy::arithmetic-side-effects` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::arithmetic_side_effects)]`
error: arithmetic operation that can potentially result in unexpected side-effects
--> tests/ui/arithmetic_side_effects.rs:191:40
|
LL | let _ = const { let mut n = 1; n = n + 1; n };
| ^^^^^
error: arithmetic operation that can potentially result in unexpected side-effects
--> tests/ui/arithmetic_side_effects.rs:194:40
|
LL | let _ = const { let mut n = 1; n = 1 + n; n };
| ^^^^^
error: arithmetic operation that can potentially result in unexpected side-effects
--> tests/ui/arithmetic_side_effects.rs:200:59
|
LL | let _ = const { let mut n = 1; n = -1; n = -(-1); n = -n; n };
| ^^
error: arithmetic operation that can potentially result in unexpected side-effects
--> tests/ui/arithmetic_side_effects.rs:304:5
|
LL | _n += 1;
| ^^^^^^^
|
= note: `-D clippy::arithmetic-side-effects` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::arithmetic_side_effects)]`
error: arithmetic operation that can potentially result in unexpected side-effects
--> tests/ui/arithmetic_side_effects.rs:305:5
@ -751,5 +727,5 @@ error: arithmetic operation that can potentially result in unexpected side-effec
LL | one.sub_assign(1);
| ^^^^^^^^^^^^^^^^^
error: aborting due to 125 previous errors
error: aborting due to 121 previous errors