[Bug middle-end/116454] [12/13/14/15 Regression] `*++ptr * 1j` is handled incorrectly with -ffast-math, increments ptr twice

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116454

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |wrong-code
            Summary|`*++ptr * 1j` is handled    |[12/13/14/15 Regression]
                   |incorrectly with            |`*++ptr * 1j` is handled
                   |-ffast-math, increments ptr |incorrectly with
                   |twice                       |-ffast-math, increments ptr
                   |                            |twice
      Known to work|                            |3.4.6
   Target Milestone|---                         |12.5
      Known to fail|                            |12.1.0