language-servers/rust-analyzer
1
0
Fork 0
mirror of https://github.com/rust-lang/rust-analyzer.git synced 2025-11-03 21:25:25 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

Variants::Single: do not use invalid VariantIdx for uninhabited enums

Browse source
This commit is contained in:
Ralf Jung 2024-12-01 13:12:43 +01:00
parent 9321f7efa9
commit d7d08ae95c
3 changed files with 7 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

2
crates/hir-ty/src/utils.rs
View file

@ -335,7 +335,7 @@ pub(crate) fn detect_variant_from_bytes<'a>(
) -> Option<(EnumVariantId, &'a Layout)> {
let (var_id, var_layout) = match &layout.variants {
hir_def::layout::Variants::Single { index } => {
(db.enum_data(e).variants[index.0].0, layout)
(db.enum_data(e).variants[index.unwrap().0].0, layout)
}
hir_def::layout::Variants::Multiple { tag, tag_encoding, variants, .. } => {
let size = tag.size(target_data_layout).bytes_usize();