[PATCH] Don't fold away division by zero (PR middle-end/66127)

[Steve Ellcey]

On Thu, 2015-05-14 at 09:42 -0700, Steve Ellcey wrote:
> Marek,
> 
> This may be unrelated to your patches for PR 66127 and 66066 but I am
> having a new failure when building the latest glibc with the latest GCC.
> 
> I haven't yet tracked down exactly which patch caused the problem.  Included
> is a cutdown test case from libio/memstream.c in glibc that results in a
> strict-aliasing error.  Is this is something you already know about or have
> seen?
> 
> In the mean time I will try to figure out exactly which patch caused this error
> to trigger.
> 
> Steve Ellcey
> sellcey@imgtec.com

Sorry for the noise, it looks like this failure is not related to any
recent changes in GCC.  I still get the error in older GCC's so I think
something must have changed in glibc.  I will start digging there.

Steve Ellcey
sellcey@imgtec.com