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To: Benjamin Morel <benjamin.morel@gmail.com>, "bishop@php.net"
	<bishop@php.net>
CC: PHP Internals <internals@lists.php.net>
Thread-Topic: [PHP-DEV] How to debug a segmentation fault?
Thread-Index: AQHV1fgMRGyLBah1gUGPr6kq4bV9NagB5IcAgABe1YCAADypQYAAAmf6gAACbPg=
Date: Thu, 30 Jan 2020 02:59:42 +0000
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Subject: Re: [PHP-DEV] How to debug a segmentation fault?
From: tysonandre775@hotmail.com (tyson andre)

> Sorry, I didn't notice that=A0https://bugs.php.net/bug.php?id=3D79194=A0w=
as already [solved and] closed with a similar answer.=0A=
=0A=
In addition to phpspy, a tool I forgot to mention was Phan. (https://github=
.com/phan/phan)=0A=
=0A=
`phan --redundant-condition-detection` will enable many of Phan's checks, i=
ncluding code that looks like a function or method calling itself unconditi=
onally, or with the same args.=0A=
I got the idea for adding a check for PhanInfiniteRecursion (and=A0PhanPoss=
iblyInfiniteRecursionSameParams) after investigating a similar segfault ove=
r a year ago ago=0A=
(and considering most of those solutions),=0A=
to detect that type of bug before it ran.=0A=
https://github.com/phan/phan/blob/master/internal/Issue-Types-Caught-by-Pha=
n.md#phaninfiniterecursion has an example of what it detects=