[Bug ld/30566] New: -z pack-relative-relocs --no-keep-memory uses more memory than without --no-keep-memory

[mh-sourceware at glandium dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=30566

            Bug ID: 30566
           Summary: -z pack-relative-relocs --no-keep-memory uses more
                    memory than without --no-keep-memory
           Product: binutils
           Version: 2.40
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: mh-sourceware at glandium dot org
  Target Milestone: ---

When linking libxul.so from Firefox, with -z pack-relative-relocs (output from
time -v):
        Maximum resident set size (kbytes): 13170360

When adding --no-keep-memory:
        Maximum resident set size (kbytes): 72244188

... and that's not actually the entire story because the process is OOM-killed
before actually finishing.

STR:
- download and extract
https://drive.google.com/file/d/15UZd8u9j_nZdjhlqdHkswyaUf08gmRAP/view?usp=sharing
- in the repr/ directory, run ld @response.txt --no-keep-memory

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