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From: "matt at use dot net" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug middle-end/65289] [5.0 regression] ICE when compiling libjpegturbo with -floop-nest-optimize
Date: Tue, 03 Mar 2015 00:45:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65289

--- Comment #1 from Matt Hargett <matt at use dot net> ---
Also reproducible with -O2 -fgraphite-identity .

I use both of these optimizations regularly to help get the most out of
prefetch on the embedded ARM targets I work on.