[Bug bootstrap/71421] New: trunk bootstrap is broken

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71421

            Bug ID: 71421
           Summary: trunk bootstrap is broken
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: segher at gcc dot gnu.org
  Target Milestone: ---

/home/segher/src/gcc/gcc/expr.c: In member function 'virtual void
move_by_pieces_d::generate(rtx, rtx, machine_mode)':
/home/segher/src/gcc/gcc/expr.c:1146:60: error: unused parameter 'mode'
[-Werror=unused-parameter]
 move_by_pieces_d::generate (rtx op0, rtx op1, machine_mode mode)
                                                            ^~~~

(PUSH_ROUNDING is not defined for all targets).