There is a chance of returning garbage values from grob_stencil_extent()
due to this uninitialized variable issue.
No there is not: because this is C++, not C.
The existing code is guaranteed to initialize e to the empty interval (i.e., the special interval [+inf, -inf]); your code initializes it to a different interval -- the single-point interval [0,0] -- which is not a difference in "uninitialized garbage" but a question of semantics.


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