I gave up tring to make reproducible script.
For the record, PHP does not execute script properly under very limmited circumstance that I can't find out exactly. Under normal execution, calling function over and over should exhoust memory, since new stack is needed for each new function call. I can see they are called over and over, but stack does not add up. Execution results in segfault instead of reaching memory limit. At least gdb/ddd tells so.
Anyway, I think most of users will not be affected by this.
If I find anything concrete, I'll post it here again.
Yasuo Ohgaki
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