[clang] Run PreStmt/PostStmt checker for GCCAsmStmt (PR #95409)

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T-Gruber wrote:

> Thanks for the ping. Looks really nice! FYI I just came across a case last week w.r.t asm gotos. You can have a read [here](https://sonarsource.atlassian.net/browse/CPP-5459) if you are interested in the subject.

Thank you! Looks interesting. Does this mean that the linked problem would also benefit from this PR?

https://github.com/llvm/llvm-project/pull/95409