jcsxky wrote: > You have found that reason for the crash is that references to > `IdentifierInfo` are remaining in `OnDiskChainedHashTableGenerator` and > previously deallocated by `ASTUnit` destruction? In this case why is the > `ASTUnit` (or something in it, probably `ASTContext`) the owner of the data, > and not `OnDiskChainedHashTableGenerator`? By using `ASTImporter` it is > possible that it moves data from the "old" AST to the "new" without copy (if > yes this is a bug) and such a situation can cause memory errors.
Thanks for your remind! Indeed, root cause of the issue is ASTImporter and I have checked the code. IdentifierInfo of attribute should set with `ToASTContext` instead of copying from `FromASTContext`. https://github.com/llvm/llvm-project/pull/73096 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
