[libcxx] [llvm] [libc++] Updates the compilers used post LLVM-20 branching. (PR #126564)

[Hristo Hristov via llvm-commits]

Zingam wrote:

@mordante I don't know if this is important. Regarding OpenXL compiler: According to the documentation they've changed the base LLVM version between minor versions: 17.1.2 is based on LLVM17 and 17.1.3 is based on LLVM19
https://www.ibm.com/docs/en/openxl-c-and-cpp-aix/17.1.2?topic=whats-new
https://www.ibm.com/docs/en/openxl-c-and-cpp-aix/17.1.3?topic=whats-new

https://github.com/llvm/llvm-project/pull/126564