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>>>>> "Ranier" == Ranier Vilela <ranier.vf@gmail.com> writes:
Ranier> else { /* step < 0; descending loop */
Ranier> var step here can be equal zero.
Can it?
Look up about 12 lines, and you'll see that the case of step==0 has
already been handled.
Now, it might not be obvious (even to the compiler or to static analysis
tools) that luaG_runerror does not return...