> On Nov 18, 2016, at 10:33 AM, Markus Trippelsdorf <mar...@trippelsdorf.de>
> wrote:
>
> On 2016.11.18 at 10:27 -0600, Bill Schmidt wrote:
>> ===================================================================
>> --- gcc/testsuite/gcc.dg/tree-ssa/pr78413.c (revision 0)
>> +++ gcc/testsuite/gcc.dg/tree-ssa/pr78413.c (working copy)
>> @@ -0,0 +1,35 @@
>> +/* PR78413. These previously failed in tree if-conversion due to a loop
>> + latch with multiple predecessors that the code did not anticipate. */
>> +/* { dg-do compile } */
>> +/* { dg-options "-O3 -ffast-math" } */
>
> Please add -fno-strict-aliasing, otherwise fn1() wouldn't ICE.
Whoops. Yes indeed, sorry I missed the flag difference for the second failure.
Bill
