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From: | Paul Eggert |
Subject: | bug#22065: core dumped during compilation (emacs-25 branch on FreeBSD 9) |
Date: | Sun, 14 Feb 2016 11:47:57 -0800 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 |
Wolfgang Jenkner wrote:
So, perhaps, the FreeBSD 9 default base cc (a patched gcc 4.2.1) has some stack-related optimization bug, even on amd64?
Thanks for the detective work. It inspired me to search GCC bug reports, where I found a couple that appear to be directly relevant. The corresponding bug was fixed in 2008 but GCC 4.2.1 predates the fix. I installed the attached patch into the emacs-25 branch, and I hope it works around the compiler bug with stack-allocated Lisp objects on FreeBSD 9. Please give it a try.
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