* xcoffout.c (xcoff_current_include_file,
        xcoff_current_function_file, xcoff_lastfile): Constify char *.
        (xcoffout_source_file, xcoffout_source_line): Make filename 'const
        char *'.
        (xcoffout_declare_function): Make name 'const char *'.
        (xcoffout_end_epilogue): Make fname 'const char *'
        * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
        xcoffout_declare_function, xcoffout_source_line): Match above.

        * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
        -maix64 is error.
        * rs6000.c (print_operand): Fix lossage typo.
        (output_cbranch): Remove "cr" decoration for now.
        * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.

From-SVN: r33720