[Bug tree-optimization/37021] Fortran Complex reduction / multiplication not vectorized

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37021
Bug 37021 depends on bug 56766, which changed state.

Bug 56766 Summary: Fails to combine (vec_select (vec_concat ...)) to (vec_merge ...)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56766

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