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Preserve independent storage when copying AST expressions and types - #1772
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dajiaohuang wants to merge 6 commits into
Open
dajiaohuang wants to merge 6 commits into
dajiaohuang wants to merge 6 commits into
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CopyExpr now allocates independent storage for generic index arguments and recursively copies struct/interface fields, names, tags, comments and nested function signatures. This repairs shared AST mutations while preserving type-copy support.
Consolidates the deep-copy defect from #1793. Function literals remain unsupported.
Validation: the added field mutation regression fails against the preceding PR head; go test ./go/ast/astutil and git diff --check pass on the updated head.