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[bug #59093] Segmentation fault regression in make 4.3 vs. 4.2.1

From: Paul D. Smith
Subject: [bug #59093] Segmentation fault regression in make 4.3 vs. 4.2.1
Date: Sun, 13 Sep 2020 08:29:04 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36

Follow-up Comment #4, bug #59093 (project make):

Of course another solution is to work on reducing the stack needed by make. 
None of this will be cheap of course.  Some ideas: switch more places from
alloca() to malloc(), and/or convert some algorithms from recursive function
calls to loops.

I don't see any good way to avoid function calls being recursive unless we're
willing to rewrite essentially the entire variable expansion, including all
function call expansion, into one huge function ... scary!


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