bjoernager/rust
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Remove the Option part of range ends in the HIR

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This commit is contained in:
Oli Scherer 2025-02-05 15:22:10 +00:00
parent 0e7b283573
commit e8f7a382be
32 changed files with 400 additions and 269 deletions
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13
compiler/rustc_lint/src/types.rs
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@ -5,7 +5,7 @@ use rustc_abi::{BackendRepr, TagEncoding, VariantIdx, Variants, WrappingRange};
use rustc_data_structures::fx::FxHashSet;
use rustc_errors::DiagMessage;
use rustc_hir::intravisit::VisitorExt;
use rustc_hir::{AmbigArg, Expr, ExprKind, HirId, LangItem, RangeEnd};
use rustc_hir::{AmbigArg, Expr, ExprKind, HirId, LangItem};
use rustc_middle::bug;
use rustc_middle::ty::layout::{LayoutOf, SizeSkeleton};
use rustc_middle::ty::{
@ -882,16 +882,13 @@ fn ty_is_known_nonnull<'tcx>(
|| Option::unwrap_or_default(
try {
match **pat {
ty::PatternKind::Range { start, end, include_end } => {
ty::PatternKind::Range { start, end } => {
let start = start.try_to_value()?.try_to_bits(tcx, typing_env)?;
let end = end.try_to_value()?.try_to_bits(tcx, typing_env)?;
match include_end {
// This also works for negative numbers, as we just need
// to ensure we aren't wrapping over zero.
RangeEnd::Included => start > 0 && end >= start,
RangeEnd::Excluded => start > 0 && end > start,
}
// This also works for negative numbers, as we just need
// to ensure we aren't wrapping over zero.
start > 0 && end >= start
}
}
},