tool/ex/tests: consistently free ctx, then model #18168
Open
+47
−18
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Follow-up to #16653 .
This PR re-enables the check in the destructor w.r.t. the memory use, the problem was use-after-free if the model is freed before the context. For common this is unproblematic because the order of freeing is already correct. I also went through all manual uses of
llama_init_from_modeland checked whether things are freed in the correct order when the program terminates.