[llvm] [SEH] Ignore EH pad check for internal intrinsics (PR #79694)

[Phoebe Wang via llvm-commits]

phoebewang wrote:

FYI. MSVC cannot compile the reproducer in #69428, while I changed it a bit to make MSVC happy, the code passed on Clang too: https://godbolt.org/z/Ghv7ebhzo

Not sure if something related to C++ new feature.

https://github.com/llvm/llvm-project/pull/79694