[Bug target/27827] [4.0 Regression] gcc 4 produces worse x87 code on all platforms than gcc 3

[aldyh at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=27827
Bug 27827 depends on bug 27855, which changed state.

Bug 27855 Summary: [6/7/8 regression] reassociation causes the RA to be confused
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=27855

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED