[Bug bootstrap/82831] New: [8 Regression] Broken PGO bootstrap on i586-linux-gnu after r254379

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82831

            Bug ID: 82831
           Summary: [8 Regression] Broken PGO bootstrap on i586-linux-gnu
                    after r254379
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
  Target Milestone: ---

Profiled bootstrap is broken:

[ 5356s] during RTL pass: *free_cfg
[ 5356s] ../../gcc/tree-ssa-strlen.c: In member function 'virtual edge_def*
strlen_dom_walker::before_dom_children(basic_block)':
[ 5356s] ../../gcc/tree-ssa-strlen.c:2751:1: internal compiler error: in
insert_section_boundary_note, at bb-reorder.c:2540
[ 5356s]  }
[ 5356s]  ^
[ 5356s] 0x82c27d4 ???
[ 5356s]        ../sysdeps/i386/start.S:115