[Bug middle-end/47344] [4.7/4.8/4.9/4.10 Regression][meta-bug] GCC gets slower and uses more memory

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47344
Bug 47344 depends on bug 56490, which changed state.

Bug 56490 Summary: [4.7 Regression] -Wall triggering infinite loop
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56490

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