[Bug tree-optimization/78394] False positives of maybe-uninitialized with -Og

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78394
Bug 78394 depends on bug 100047, which changed state.

Bug 100047 Summary: False -Wmaybe-uninitialized on one var depending on type of other var
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100047

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