[Bug rtl-optimization/57003] [4.8/4.9/5.0 Regression] gcc breaks -O2 optimization with Wine(64) - links/info/bisect of commits included

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57003

--- Comment #26 from Uroš Bizjak <ubizjak at gmail dot com> ---
Additional patch at [1]

[1] https://gcc.gnu.org/ml/gcc-patches/2014-10/msg00332.html