[llvm] [openmp] Remaining work necessary for GCC 15 (PR #157385)

[Patrick Simmons via llvm-commits]

linuxrocks123 wrote:

@Meinersbur I'm upgrading my (rolling release) Slackware install to 15.2 in order to verify that the problem does not exist for me in 15.2.

In the meantime, are we sure that this issue is specific to GCC 15?  Has anyone tried, for instance, GCC 14.2?

https://github.com/llvm/llvm-project/pull/157385