[libcxx-commits] [libcxx] [libcxx][ci] In picolib build, ask clang for the normalised triple (PR #90722)

[David Spickett via libcxx-commits]

DavidSpickett wrote:

I'm going to land this without libcxx approval given that it is limited to the picolib build, is required to keep the CI green once the other PR lands, and has passed existing CI (aside from AIX 32 bit that I assume is a pre-existing issue).

Post-commit review welcome of course.

https://github.com/llvm/llvm-project/pull/90722