[Bug c/91494] New: Performance Regression when upgrading from 8.3.0 to 9.0

[mc_george123 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91494

            Bug ID: 91494
           Summary: Performance Regression when upgrading from 8.3.0 to
                    9.0
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: mc_george123 at hotmail dot com
  Target Milestone: ---

During the phoronix tests of botan-1.4.0-blowfish benchmark and crafty-1.4.4
benchmark, there are performance regressions in compilation process between
version 8.3.0-433 and 9.0-454.