[Bug middle-end/64928] [4.8/4.9/5/6 Regression] Inordinate cpu time and memory usage in "phase opt and generate" with -ftest-coverage -fprofile-arcs

[wellnhofer at aevum dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928
Bug 64928 depends on bug 66209, which changed state.

Bug 66209 Summary: Out of memory when compiling with --coverage and 
optimizations
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66209

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