[clang] [flang] [llvm] [flang] Add runtime trampoline pool for W^X compliance (PR #183108)

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https://github.com/jeanPerier commented:

Thank you, this looks good to me outside of the potential dominance issue with the handle cleanups (see inline comments).

Not expert with the trampoline assembly to validate that part. Adding @kiranchandramohan for the aarch64 part.


https://github.com/llvm/llvm-project/pull/183108