[clang] [compiler-rt] [Coverage] Fix region creation after try statements (PR #133463)

[Justin Cady via llvm-commits]

justincady wrote:

Coverage report before:
<img width="988" alt="before" src="https://github.com/user-attachments/assets/80bb84a0-a76e-4f45-aca8-fd53378caa73" />

Coverage report after:
<img width="990" alt="after" src="https://github.com/user-attachments/assets/987ae207-0eaf-4f33-aeb0-387c27cb382f" />


https://github.com/llvm/llvm-project/pull/133463