[Bug fortran/78676] [5/6/7 Regression] Optimizer bug exposed by program with many bit operations

[janus at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78676

janus at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |wrong-code
                 CC|                            |janus at gcc dot gnu.org
      Known to work|                            |4.7.4, 4.8.5
            Summary|Optimizer bug exposed by    |[5/6/7 Regression]
                   |program with many bit       |Optimizer bug exposed by
                   |operations.                 |program with many bit
                   |                            |operations
      Known to fail|                            |4.9.4

--- Comment #4 from janus at gcc dot gnu.org ---
This seems to be a regression that started with version 4.9. In 4.7 and 4.8 I
see the same results with all optimization levels.