[llvm] [StrTable] Use string literal emission for intrinsics on non-MSVC platforms (PR #124856)

[Reid Kleckner via llvm-commits]

rnk wrote:

I checked the `lld-x86_64-win` bot logs and it looks like this test is flaky. It passed in subsequent runs and the same test failed in a previous build. I filed #135593 to track the flakiness.

https://github.com/llvm/llvm-project/pull/124856