[clang] [AST] Match the FoldingSetNodeID computed before and after creating TypedefType (PR #157662)

[kadir çetinkaya via cfe-commits]

https://github.com/kadircet approved this pull request.

ugh this looks quite fragile (not your fix but rather having multiple ways to call profile), i am worried we might have divergences in other places as well :(

i think it would be nice to handle that in a more principled way for the future. thanks for the fix!

https://github.com/llvm/llvm-project/pull/157662