[Bug middle-end/42588] unnecessary move through x87 stack/local frame for union

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42588
Bug 42588 depends on bug 33989, which changed state.

Bug 33989 Summary: Extra load/store for float with union
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=33989

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