* include/java-insns.h (enum java_code): Add op_breakpoint.

    * include/java-insns.h (enum java_code): Add op_breakpoint.
        * include/java-interp.h (_Jv_InterpMethod): Declare breakpoint_insn.
        [INTERPRETER]: Declare _Jv_InterpMethod::bp_insn_slot.
        [!INTERPRETER]: Declare _Jv_InterpMethod::bp_insn_opcode.
        (install_break): Declare.
        * interpret.cc (breakpoint_insn): Define breakpoint insn.
        (compile): Add op_breakpoint to "can't happen" cases.
        [INTERPRETER] Initialize breakpoint insn if necessary.
        (install_break): New method.
        * interpret-run.cc: Add op_breakpoint to insn_targets.
        Add insn_breakpoint label.
        * verify.cc (branch_prepass): Add op_breakpoint to unrecognized
        opcodes section of switch statement.
        (verify_instructions_0): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@117734 138bc75d-0d04-0410-961f-82ee72b054a4