[Bug tree-optimization/30334] [meta-bug] Request for -Wundefined

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=30334
Bug 30334 depends on bug 29465, which changed state.

Bug 29465 Summary: warning for overlapping memcpy()
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29465

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