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Date: Sun, 31 Jan 2016 21:42:22 +0100
From: Szabolcs Nagy <nsz@...t70.net>
To: musl@...ts.openwall.com, Alba Pompeo <albapompeo@...il.com>
Subject: Re: Re: Julia on musl libc systems
* Szabolcs Nagy <nsz@...t70.net> [2016-01-31 21:40:50 +0100]:
> * Rich Felker <dalias@...c.org> [2016-01-31 13:45:50 -0500]:
> > Are they perhaps using C++ and precompiled headers? The latter are
>
> no, a reduced test case is attached
now really
> gcc -O3 bug.c
>
> fails, but
>
> gcc -O3 -fno-tree-slp-vectorize bug.c
>
> passes, so CFLAGS+=-fno-tree-slp-vectorize is a
> workaround.
>
> probably related to
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68517
> (although i dont see 0 sized structs here),
> but i could not reproduce it with another toolchain,
> only with the alpine x86_64 gcc-5.3.0 one.
View attachment "bug.c" of type "text/x-csrc" (2805 bytes)
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