[clang] [NFC][Clang][PowerPC] Fix suspicious unsequenced volatile accesses in codegen tests (PR #199338)

[Nikita Terentev via cfe-commits]

Seraphimt wrote:

@hubert-reinterpretcast thank you for review ! I don't have commit access, so I would appreciate it if you could merge the PR if there are no further remarks.

https://github.com/llvm/llvm-project/pull/199338