Commmitted.
The related test - gcc.dg/pr83623.c passed for devtoolset-8-gcc-8.3.1-3.1.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2019:1974