Of course somebody could mess with it! Somebody could mess with absolutely everything in your program.
Agreed. "Somebody" could even be messing with the symbol table entry of *foo, in which case the assumed protection of it, is completely bogus.

In reply to Re^4: Is modifying the symbol table to redefine subroutines evil? by bart
in thread Is modifying the symbol table to redefine subroutines evil? by tlm

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