oxc-project
oxc
BlogDocsChangelog

fix(allocator): remove `Clone` impl from `Vec`

#13040Merged
Comparing
08-12-fix_allocator_remove_clone_impl_from_vec_
(
9ac418d
) with
main
(
163dbea
)
CodSpeed Performance Gauge
0%
Untouched
34

Benchmarks

Passed

transformer[cal.com.tsx]
tasks/benchmark/benches/transformer.rs::transformer::bench_transformer
CodSpeed Performance Gauge
+1%
26.4 ms26.3 ms
semantic[RadixUIAdoptionSection.jsx]
tasks/benchmark/benches/semantic.rs::semantic::bench_semantic
CodSpeed Performance Gauge
0%
77.2 µs77 µs
codegen[RadixUIAdoptionSection.jsx]
tasks/benchmark/benches/codegen.rs::codegen::bench_codegen
CodSpeed Performance Gauge
0%
119.5 µs119.3 µs
formatter[binder.ts]
tasks/benchmark/benches/formatter.rs::formatter::bench_formatter
CodSpeed Performance Gauge
0%
21.6 ms21.5 ms
formatter[react.development.js]
tasks/benchmark/benches/formatter.rs::formatter::bench_formatter
CodSpeed Performance Gauge
0%
11.1 ms11.1 ms
semantic[react.development.js]
tasks/benchmark/benches/semantic.rs::semantic::bench_semantic
CodSpeed Performance Gauge
0%
1.7 ms1.7 ms
transformer[binder.ts]
tasks/benchmark/benches/transformer.rs::transformer::bench_transformer
CodSpeed Performance Gauge
0%
1.7 ms1.7 ms
linter[cal.com.tsx]
tasks/benchmark/benches/linter.rs::linter::bench_linter
CodSpeed Performance Gauge
0%
1.2 s1.2 s
parser[binder.ts]
tasks/benchmark/benches/parser.rs::parser::bench_parser
CodSpeed Performance Gauge
0%
3.3 ms3.3 ms
parser[react.development.js]
tasks/benchmark/benches/parser.rs::parser::bench_parser
CodSpeed Performance Gauge
0%
1.3 ms1.3 ms
linter[binder.ts]
tasks/benchmark/benches/linter.rs::linter::bench_linter
CodSpeed Performance Gauge
0%
146.6 ms146.6 ms
lexer[RadixUIAdoptionSection.jsx]
tasks/benchmark/benches/lexer.rs::lexer::bench_lexer
CodSpeed Performance Gauge
0%
19.9 µs19.9 µs
estree[checker.ts]
tasks/benchmark/benches/parser.rs::parser::bench_estree
CodSpeed Performance Gauge
0%
104.5 ms104.5 ms
linter[RadixUIAdoptionSection.jsx]
tasks/benchmark/benches/linter.rs::linter::bench_linter
CodSpeed Performance Gauge
0%
2.5 ms2.5 ms
linter[react.development.js]
tasks/benchmark/benches/linter.rs::linter::bench_linter
CodSpeed Performance Gauge
0%
52.3 ms52.3 ms
lexer[cal.com.tsx]
tasks/benchmark/benches/lexer.rs::lexer::bench_lexer
CodSpeed Performance Gauge
0%
5.3 ms5.3 ms
parser[cal.com.tsx]
tasks/benchmark/benches/parser.rs::parser::bench_parser
CodSpeed Performance Gauge
0%
26.7 ms26.7 ms
semantic[binder.ts]
tasks/benchmark/benches/semantic.rs::semantic::bench_semantic
CodSpeed Performance Gauge
0%
4.3 ms4.3 ms
transformer[react.development.js]
tasks/benchmark/benches/transformer.rs::transformer::bench_transformer
CodSpeed Performance Gauge
0%
718 µs718.2 µs
formatter[cal.com.tsx]
tasks/benchmark/benches/formatter.rs::formatter::bench_formatter
CodSpeed Performance Gauge
0%
179.3 ms179.4 ms
codegen[cal.com.tsx]
tasks/benchmark/benches/codegen.rs::codegen::bench_codegen
CodSpeed Performance Gauge
0%
33.9 ms33.9 ms
codegen[binder.ts]
tasks/benchmark/benches/codegen.rs::codegen::bench_codegen
CodSpeed Performance Gauge
0%
4.1 ms4.1 ms
parser[RadixUIAdoptionSection.jsx]
tasks/benchmark/benches/parser.rs::parser::bench_parser
CodSpeed Performance Gauge
0%
83.8 µs83.8 µs
codegen[react.development.js]
tasks/benchmark/benches/codegen.rs::codegen::bench_codegen
CodSpeed Performance Gauge
0%
1.9 ms1.9 ms
semantic[cal.com.tsx]
tasks/benchmark/benches/semantic.rs::semantic::bench_semantic
CodSpeed Performance Gauge
0%
27.9 ms27.9 ms
lexer[binder.ts]
tasks/benchmark/benches/lexer.rs::lexer::bench_lexer
CodSpeed Performance Gauge
0%
869.9 µs870.4 µs
isolated-declarations[vue-id.ts]
tasks/benchmark/benches/transformer.rs::transformer::bench_isolated_declarations
CodSpeed Performance Gauge
0%
57.2 ms57.3 ms
minifier[binder.ts]
tasks/benchmark/benches/minifier.rs::minifier::bench_minifier
CodSpeed Performance Gauge
0%
3.7 ms3.7 ms
minifier[react.development.js]
tasks/benchmark/benches/minifier.rs::minifier::bench_minifier
CodSpeed Performance Gauge
0%
2.1 ms2.2 ms
lexer[react.development.js]
tasks/benchmark/benches/lexer.rs::lexer::bench_lexer
CodSpeed Performance Gauge
0%
356.5 µs356.9 µs
transformer[RadixUIAdoptionSection.jsx]
tasks/benchmark/benches/transformer.rs::transformer::bench_transformer
CodSpeed Performance Gauge
0%
132.9 µs133.1 µs
minifier[RadixUIAdoptionSection.jsx]
tasks/benchmark/benches/minifier.rs::minifier::bench_minifier
CodSpeed Performance Gauge
0%
58.5 µs58.6 µs
minifier[cal.com.tsx]
tasks/benchmark/benches/minifier.rs::minifier::bench_minifier
CodSpeed Performance Gauge
0%
30.6 ms30.7 ms
formatter[RadixUIAdoptionSection.jsx]
tasks/benchmark/benches/formatter.rs::formatter::bench_formatter
CodSpeed Performance Gauge
-1%
341.3 µs343.4 µs

Commits

Click on a commit to change the comparison range
Base
main
163dbea
-0.01%
fix(allocator): remove `Clone` impl from `Vec` (#13040) `Vec::clone` method is unsound, for the same reasons as `Vec::bump` is (#13039). `clone` only takes a `&self` and then uses it to access the `&Bump` contained in `Vec`, and allocates into that arena. Because `Vec` is `Sync`, that can result in 2 threads allocating into same `Bump` simultaneously, which is UB. `Clone` is of limited use, because usually usually the contents of the `Vec` aren't `Clone`. We have `CloneIn` trait for this purpose. We don't currently use `Clone` anywhere, so we can remove it.
9ac418d
3 months ago
by overlookmotel
© 2025 CodSpeed Technology
Home Terms Privacy Docs