[Bug c++/2972] -Wuninitialized could warn about uninitialized member variable usage in constructors

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=2972
Bug 2972 depends on bug 19808, which changed state.

Bug 19808 Summary: miss a warning about uninitialized member usage in member 
initializer list in constructor
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19808

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