[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

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #5)
> Created attachment 58974 [details]
> Patch which I am testing
> 
> Simple tests on the testcase works and we get the correct behavior now.

This patch causes some testcase regressions. Looking into them now.