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Sure, but then you deserve what you get...Sure, but then you deserve what you get...Posted May 28, 2011 20:48 UTC (Sat) by BenHutchings (subscriber, #37955)In reply to: Sure, but then you deserve what you get... by foom Parent article: What Every C Programmer Should Know About Undefined Behavior #3/3
C compilers weren't smart enough to take advantage of the leeway given: they in fact did exhibit implementation-defined behavior, not undefined behavior, in the face of a signed overflow. They acted like the hardware acts upon signed overflow. Which was to crash, in many cases. Signed overflow caused a processor exception, just like division by zero, because the result could not be represented.
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