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GH-39026: [C++][Python] Add ARROW_HARDENING compiler options - #50902

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raulcd wants to merge 4 commits into

apache:mainfrom

raulcd:GH-39026

Draft

GH-39026: [C++][Python] Add ARROW_HARDENING compiler options#50902
raulcd wants to merge 4 commits into
apache:mainfrom
raulcd:GH-39026

Commits on Aug 18, 2026
- GH-39026: [C++][Python] Add ARROW_HARDENING compiler options
  raulcd
  committed
  0ea10af
- Add ARROW_HARDENING to benchmarks
  raulcd
  committed
  d9d991d
Commits on Aug 19, 2026
- Coment out almost all flags to find the performance regression
  raulcd
  committed
  f293a08
- Uncomment everything but FORTIFY_SOURCE which seems to be the cause of the performance regression at least locally
  raulcd
  committed
  83d61b9