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Alan Modra authored
* dwarf2.c (read_abbrevs): Return NULL on alloc failures. (read_attribute_value, decode_line_info): Likewise. (add_line_info, read_rangelist): Return FALSE on alloc failures. (arange_add, sort_line_sequences): Likewise. (find_abstract_instance_name): Handle failures from called funcs. (scan_unit_for_symbols, parse_comp_unit, decode_line_info): Likewise. (find_line): Realloc to a temp, and handle alloc fail.
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