[Backtracing][IRGen] Add a semantic attribute to force frame pointer. #66333
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The Swift backtracer's frame pointer unwinder cannot work on Linux without this change, because the compiler omits the frame pointer from the function in libSwift_Backtracing that actually captures the stack. rdar://110260855
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This was referenced Jun 5, 2023
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The Swift backtracer's frame pointer unwinder cannot work on Linux without this change, because the compiler omits the frame pointer from the function in libSwift_Backtracing that actually captures the stack.
rdar://110260855