[Bug tree-optimization/57359] store motion causes wrong code for union access at -O3

[ro at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57359
Bug 57359 depends on bug 94988, which changed state.

Bug 94988 Summary: [11 Regression] FAIL: gcc.target/i386/pr64110.c 
scan-assembler vmovd[\\t ]
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94988

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