[PATCH][GOLD] Fix ARM ICF problems.

[=?big5?b?RG91ZyBLd2FuICjD9q62vHcp?= <dougkwan at google dot com>]

Hi,

    This patches fixed a few problems when ICF is used for the ARM
target.   I also tested it on x86_64 and all tests passed.

-Doug

2009-12-16  Doug Kwan  <dougkwan@google.com>

        * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
        sections.
        * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
        relaxed input sections.
        * output.cc (Output_section::find_relaxed_input_section): Change
        return type to Output_relaxed_input_section pointer.  Adjust code
        for new type of relaxed_input_section_map_.
        * output.h (Output_section::find_relaxed_input_section): Change
        return type to Output_relaxed_input_section pointer.
        (Output_section::Output_relaxed_input_section_by_input_section_map):
        New type.
        (Output_section::relaxed_input_section_map_): Change type to
        Output_section::Output_relaxed_input_section_by_input_section_map.
        * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
        input section.

Attachment: patch.txt
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