[llvm-branch-commits] [clang] release/23.x: [NFC][clang][Serialization] Fix std::set_difference sorting mismatch in ASTReader (#219053) (PR #219097)

[Tobias Hieta via llvm-branch-commits]

tru wrote:

@resistor You're right, sorry. This fixes a regression from #195743, which is new in 23.x, so it does qualify. Reopening for review. @jansvoboda11 What do you think about merging this PR to the release branch?

https://github.com/llvm/llvm-project/pull/219097