[clang] [clang][ASTImporter] Fix possible crash "given incorrect InsertPos for specialization". (PR #89887)
Balázs Kéri via cfe-commits
cfe-commits at lists.llvm.org
Wed May 22 07:42:42 PDT 2024
balazske wrote:
The problem is that there is a distance between getting the "InsertPos" and the insetion into the list. Between getting the `InsertPos` (`VarTemplate->findSpecialization`) and the insertion further AST import statements can occur and probably it can cause the list of specializations to change. I have a test that can cause the same situation (change of list before the insertion) but still the assertion did not show up.
https://github.com/llvm/llvm-project/pull/89887
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