2013-01-31 Aleksandar Ristovski <aristovski@qnx.com>

        * dwarf2-frame.c (dwarf2_compile_cfa_to_ax): Remove unused num_regs.
        * symtab.c (iterate_over_symtabs): Remove unused s.
        (find_pc_sect_symtab): Remove unused pspAce.
        (find_pc_sect_line): Remove unused alt_symtab.
        (find_pcs_for_symtab_line): Remove unused ix, previous_function.
        (completion_list_add_name): Remove unused newsize.

Reference: http://sourceware.org/ml/gdb-patches/2013-01/msg00764.html