[Bug middle-end/83460] New: [8 regression] FAIL: g++.dg/pr79095-4.C

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83460

            Bug ID: 83460
           Summary: [8 regression] FAIL: g++.dg/pr79095-4.C
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com
                CC: msebor at gcc dot gnu.org
  Target Milestone: ---
              Host: i686

On i686, r255774 gives

FAIL: g++.dg/pr79095-4.C  -std=gnu++11  scan-tree-dump-times vrp2
"__builtin_memset \\(_[0-9]+, 0, [0-9]+\\)" 1 (found 0 times)
FAIL: g++.dg/pr79095-4.C  -std=gnu++11  (test for warnings, line )
FAIL: g++.dg/pr79095-4.C  -std=gnu++14  scan-tree-dump-times vrp2
"__builtin_memset \\(_[0-9]+, 0, [0-9]+\\)" 1 (found 0 times)
FAIL: g++.dg/pr79095-4.C  -std=gnu++14  (test for warnings, line )