هرچیزی که برنامهنویس های سی در مورد رفتار غیرقطعی باید بدانند:
http://blog.llvm.org/2011/05/what-every-c-programmer-should-know.html
Post #3043
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The LLVM Project Blog What Every C Programmer Should Know About Undefined Behavior #1/3 People occasionally ask why LLVM-compiled code sometimes generates SIGTRAP signals when the optimizer is turned on. After digging in, they find that Clang generated a "ud2" instruction (assuming X86 code) - the same as is generated by __builtin_trap().- 👍 3
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