[llvm] [DataLayout] Refactor storage of non-integral address spaces (PR #105734)

[Sergei Barannikov via llvm-commits]

s-barannikov wrote:

lld/wasm/lto tests are failing for some reason:
```
wasm-ld: /var/lib/buildkite-agent/builds/linux-56-59b8f5d88-q7g2n-1/llvm-project/github-pull-requests/llvm/lib/CodeGen/MachineFunction.cpp:248: void llvm::MachineFunction::init(): Assertion `Target.isCompatibleDataLayout(getDataLayout()) && "Can't create a MachineFunction using a Module with a " "Target-incompatible DataLayout attached\n"' failed.
```

https://github.com/llvm/llvm-project/pull/105734