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Date: Thu, 21 May 2020 16:52:30 -0700 (PDT)
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Subject: Re: Make 4.3 crash when compiling 86duino example under WXP-NTVDM
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Aha, I didn't know you're behind big chinese (fire)wall to protect from all bad :)

Yes, it's DuinOS by DMP - SDK for a tiny Vortex86 based mini PC module that use DJGPP. I didn't know this github page, on their official site is ony big ISO image with whole DuinOS.

OK, so bug reproduced.
Does it mean that nmalloc in make returned NULL and wa not handled properly or that nmalloc in current libc is broken? Is there same problem with make 4.1 when recompiled with current libc?