bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Reuse ctor_sub_tys when we have one around

Browse source
This commit is contained in:
Nadrieril 2024-01-06 17:58:57 +01:00
parent d40f1b1172
commit 50b197c6ee
3 changed files with 11 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

3
compiler/rustc_pattern_analysis/src/lints.rs
View file

@ -83,8 +83,9 @@ impl<'p, 'tcx> PatternColumn<'p, 'tcx> {
(0..arity).map(|_| Self { patterns: Vec::new() }).collect();
let relevant_patterns =
self.patterns.iter().filter(|pat| ctor.is_covered_by(pcx, pat.ctor()));
let ctor_sub_tys = pcx.ctor_sub_tys(ctor);
for pat in relevant_patterns {
let specialized = pat.specialize(pcx, ctor);
let specialized = pat.specialize(pcx, ctor, ctor_sub_tys);
for (subpat, column) in specialized.iter().zip(&mut specialized_columns) {
if subpat.is_or_pat() {
column.patterns.extend(subpat.flatten_or_pat())