cmd/internal/objabi: add regabi GOEXPERIMENT

This is the "feature flag" for the register calling convention work
(though since this work is expected to extend over a few releases,
it's not version-prefixed). This will let us develop the register
calling convention on the main branch while maintaining an easy toggle
between the old and new ABIs.

Updates #40724.

Change-Id: I129c8d87d34e6fa0910b6fa43efb35b706021637
Reviewed-by: Cherry Zhang <>
Run-TryBot: Austin Clements <>
TryBot-Result: Gobot Gobot <>
1 file changed
tree: 1605fee71c79a40eff7a650714a366a73193adb6
  1. .gitattributes
  2. .github/
  3. .gitignore
  11. api/
  12. doc/
  13. favicon.ico
  14. lib/
  15. misc/
  16. robots.txt
  17. src/
  18. test/

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