The fact that safe language implementations have to think hard about how to handle null pointer exceptions safely should have been a warning sign that null pointers are a bad thing to have in a language. Sadly nearly always unheeded.
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I agree with you that null pointers are bad but "it's hard to do with LLVM" is really more of an indictment of LLVM in this case. Null handling in the JVM isn't that big of a deal.
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Is it hard in LLVM because LLVM is bad, or because the problem is just hard? :) I think efficient null pointer handling is annoying no matter what you do.
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