Discussion
Assertion (A): Symbol table information must be preserved in the object file for a debugger to be useful.
Reason (R): Without it the debugger has no way to relate a machine address to a source level name or type.
Answer: D
Both are true and the reason gives the mechanism, and it explains why stripped binaries are hard to debug. Optimisation complicates matters further, since a variable may live in different places at different points or nowhere at all.
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