fix(transformer): emit design:paramtypes when class has static anonymous class expression#20382
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Dunqing merged 2 commits intooxc-project:mainfrom Mar 15, 2026
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### 🐛 Bug Fixes - edb8677 ecmascript: Treat collection constructor with variable arg as side-effectful (#20383) (Dunqing) - 1f65c3f transformer: Emit design:paramtypes when class has static anonymous class expression (#20382) (bab) - fa70d5c transformer: Use implementation signature for design:paramtypes when constructor is overloaded (#20394) (bab) - ed5a7fb parser: Report syntax error for `new super()` (#20384) (Boshen) - e62524d minifier: Treat object spread of getters as having side effects (#20380) (Boshen) - f8fbd6e linter/plugins: Remove `hashbang` property from AST (#20365) (overlookmotel) ### ⚡ Performance - 30a2b0f minifier: Use atom_from_strs_array for template literal concat (#20386) (Boshen) - 690ce17 minifier: Use Vec::with_capacity for inline template expressions (#20389) (Boshen) - 9cd612f linter/plugins: Recycle comment objects (#20362) (overlookmotel) Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>
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related rolldown/rolldown#8684
Fix
design:paramtypesbeing silently dropped in release builds when a decorated class has static properties with anonymous class expression initializers (static Foo = class extends Error {}).pop_constructor_metadata()was insidedebug_assert!, which is a no-op in release builds, causing stack imbalance and missing metadata.