Fix workgen test failures on machine ARMV9 using V5 toolchain

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    • Type: Bug
    • Resolution: Fixed
    • Priority: Major - P3
    • WT12.0.0, 8.2.0-rc0
    • Affects Version/s: None
    • Component/s: Evergreen
    • None
    • Storage Engines, Storage Engines - Foundations
    • SE Foundations - 2025-06-06, SE Foundations - 2025-06-20
    • 5

      The switch over to v5 toolchain (WT-14127) caused all workgen tests to fail on ARMV9. The tests all seg fault at the line:

      (gdb) f 0
#0  workgen::OptionsList::add_int (this=this@entry=0xfffff6cb7740 <workgen::ParetoOptions::DEFAULT+24>, name=..., default_value=<optimized out>, default_value@entry=0, desc=...) at /home/ec2-user/wiredtiger/bench/workgen/workgen.cpp:837
837	    sstm << "int, default=" << default_value;

      james.bronsted@mongodb.com provided his analysis from SP here.

      Defintion of done
      The ticket aims to investigate what is causing the issue and fix it.

        1. assembly.txt
          22 kB
        2. loaded_libraries.txt
          12 kB

              Assignee:
              Jie Chen
              Reporter:
              Jie Chen
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                Created:
                Updated:
                Resolved: