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by fniephaus
820 days ago
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Correct: > ... the JVM can intercept the resulting SIGSEGV ("Signal: Segmentation Fault"), look at the return address for that signal, and figure out where that access was made in the generated code. Once it figures that bit out, it can then know where to dispatch the control to handle this case — in most cases, throwing NullPointerException or branching somewhere. https://shipilev.net/jvm/anatomy-quarks/25-implicit-null-che... |
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