[flang] [clang-tools-extra] [openmp] [compiler-rt] [lld] [libc] [mlir] [lldb] [clang] [llvm] [libcxx] Make clang report invalid target versions for all environment types. (PR #78655)

[Fangrui Song via llvm-commits]

https://github.com/MaskRay approved this pull request.

A better title may be:

[Driver] Report invalid target triple versions for all environment types.

"Driver" is better than "clang" as it is specific about where the error arises.

https://github.com/llvm/llvm-project/pull/78655