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14ca0a28de
'perf report -s type' hangs burning CPU on the dwz compressed debug info of libz.so.1 (zlib-ng): die_collect_vars() saves the dwarf_dieoffset() of the type DIE, which is relative to the file it lives in - the dwz alt file for the types shared by more than one CU - and update_var_state() resolves that offset in the main debug file, parsing whatever is at it, here a typedef whose DW_AT_type refers to itself. Record whether the type DIE came from the alt file and resolve the offset with die_get_type_die() in that file, with no fallback. Fixes: |
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