Younan Zhang 868007a03c [clang][Sema] Avoid non-empty unexpanded pack assertion for FunctionParmPackExpr (#69224) ...

Closes https://github.com/llvm/llvm-project/issues/61460.

We have FunctionParmPackExpr that serves as the unexpanded expression
but from which the visitor collects none, which may lead to assertion
failure during the template instantiation.

2023-11-13 12:44:17 +08:00

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