Fix crash on malformed super destructuring - #63973
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Mateusz Burzyński (Andarist) wants to merge 1 commit into
Open
Fix crash on malformed super destructuring#63973Mateusz Burzyński (Andarist) wants to merge 1 commit into
Mateusz Burzyński (Andarist) wants to merge 1 commit into
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| func (tx *esDecoratorTransformer) visitArrayAssignmentElement(node *ast.Node) *ast.Node { | ||
| debug.Assert(ast.IsArrayBindingOrAssignmentElement(node)) |
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Mateusz Burzyński (Andarist)
August 23, 2026 17:41
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Pull request overview
Prevents a compiler panic when malformed super destructuring appears in a decorated class static block.
Changes:
- Adjusts decorator assignment-element handling.
- Adds a regression test and compiler baselines.
Reviewed changes
Copilot reviewed 6 out of 6 changed files in this pull request and generated 1 comment.
Show a summary per file
| File | Description |
|---|---|
tsc/internal/transformers/estransforms/esdecorator.go |
Relaxes array assignment-element handling. |
tsc/testdata/tests/cases/compiler/malformedSuperDestructuringInDecoratedClassStaticBlock.ts |
Adds the crash reproducer. |
tsc/testdata/baselines/reference/compiler/malformedSuperDestructuringInDecoratedClassStaticBlock.errors.txt |
Records expected diagnostics. |
tsc/testdata/baselines/reference/compiler/malformedSuperDestructuringInDecoratedClassStaticBlock.js |
Records expected emit. |
tsc/testdata/baselines/reference/compiler/malformedSuperDestructuringInDecoratedClassStaticBlock.symbols |
Records expected symbols. |
tsc/testdata/baselines/reference/compiler/malformedSuperDestructuringInDecoratedClassStaticBlock.types |
Records expected types. |
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| func (tx *esDecoratorTransformer) visitArrayAssignmentElement(node *ast.Node) *ast.Node { | ||
| debug.Assert(ast.IsArrayBindingOrAssignmentElement(node)) | ||
| if ast.IsSpreadElement(node) { |
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fixes #63964