[Bug middle-end/19987] [meta-bug] fold missing optimizations in general

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19987
Bug 19987 depends on bug 95729, which changed state.

Bug 95729 Summary: Failure to optimize away certain returns when the condition 
to reach them is a calculation that already results in that value
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95729

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