[clang] [llvm] [Triple] Make a target triple "os" for firmware (PR #176272)

[David Spickett via cfe-commits]

DavidSpickett wrote:

> That doesn't look related to this change I'm pretty sure.

You're right, it's not related to your change (and thank you for taking the time to check) . Often the kill is a memory issue, we have seen the same thing building clang's unit tests on Arm 32-bit.

I'll contact the bot owner.

https://github.com/llvm/llvm-project/pull/176272