What is the status of this patch? You never said it was either approved or suggested changes?
https://gcc.gnu.org/ml/gcc-patches/2018-06/msg00634.html -- Michael Meissner, IBM IBM, M/S 2506R, 550 King Street, Littleton, MA 01460-6245, USA email: meiss...@linux.ibm.com, phone: +1 (978) 899-4797