Integer width and overflow rules left undefined
The psABI leaves some integer and relocation details undefined, including BitInt alignment, ssize_t width and PC16 overflow behavior.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 27 May 2021 · last reported 16 January 2026
What's going wrong
Toolchain and binary tool authors report that the x86-64 psABI does not settle several basic numeric details.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 3 reports are about, and how many came each month.
- Related problems.
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