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From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug middle-end/66313] Unsafe factorization of a*b+a*c
Date: Fri, 10 Jul 2015 12:19:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66313

--- Comment #9 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
With the conversion to unsigned we're also no longer able to optimize
tree-ssa/tailrecursion-6.c.