[Bug c++/58377] spurious "may be used uninitialized" warning with -Og

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58377

Bug 58377 depends on bug 58402, which changed state.

Bug 58402 Summary: [4.9 regression] FAIL: gcc.dg/tree-ssa/phi-opt-1.c scan-tree-dump-times optimized "if" 0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58402

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