[libcxx-commits] [clang] [libcxxabi] [clang][ItaniumMangle] Mangle friend function templates with a constr… (PR #110247)

[Haojian Wu via libcxx-commits]

hokein wrote:

> Should this have -fclang-abi-compat support?

(It seems like we should, although I don’t have direct experience with it.)

This is a bug fix for https://github.com/llvm/llvm-project/commit/4b163e343cfa54c8d55c9da73c70d58f55ea9df2, which is released in Clang 18 and Clang 19. Therefore, we should likely add -fclang-abi-compat for `Ver19`?

https://github.com/llvm/llvm-project/pull/110247