[Bug tree-optimization/59986] Unnecessary edges in the CFG due to setjmp

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59986

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |missed-optimization
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2014-01-30
            Version|unknown                     |4.9.0
     Ever confirmed|0                           |1
           Severity|normal                      |enhancement

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.  In theory it is an IPA (LTO) task to determine whether a function
may call longjmp and thus what function calls are not required to end a BB
and what abnormal edges we may prune.