[llvm] [CodeGen] Use optimized domtree for MachineFunction (PR #102107)

[Zequan Wu via llvm-commits]

ZequanWu wrote:

Repro:
```
$ clang++ -fuse-ld=lld -Wl,--thinlto-single-module=binary_annotator.o -Wl,-mllvm,-enable-ext-tsp-block-placement=1 -o "./flatc" binary_annotator.o flatc_main.o flatc.o
```

[crash.zip](https://github.com/user-attachments/files/16532974/crash.zip)


https://github.com/llvm/llvm-project/pull/102107