Date: Wed, 29 Jun 2016 20:03:37 +0300 (MSK) From: Alexander Monakov <amonakov@...ras.ru> To: musl@...ts.openwall.com Subject: Re: Re: Julia on musl libc systems Hi! Thanks to the minimized testcase provided by Szabolcs, I've narrowed it down to a bad qsort call in gcc: the comparator provided to qsort lacks transitivity in some cases. One doesn't see this on a Glibc-hosted toolchain because Alpine implicitely enables -fno-strict-overflow, and also because with Glibc resulting sort order is different, and happens to avoid the gcc_assert that triggers on Alpine with musl. I've opened a GCC bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71702 Alexander
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