add feat_ cfg aliases

[xtqqczze]

No description provided.

[codspeed-hq]

CodSpeed Performance Report

Merging this PR will degrade performance by 3.33%

_{Comparing xtqqczze:cfg_aliases/tests (b48ad7d) with main (6db319e)}

Summary

❌ 1 regressed benchmark
✅ 141 untouched benchmarks
⏩ 180 skipped benchmarks¹

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
❌	Simulation	cp_large_file[16]	368.4 µs	381.1 µs	-3.33%

Footnotes

1. 180 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[github-actions]

GNU testsuite comparison:

Congrats! The gnu test tests/fold/fold-zero-width is no longer failing!
Note: The gnu test tests/printf/printf-surprise is now being skipped but was previously passing.

[github-actions]

GNU testsuite comparison:

Skip an intermittent issue tests/tail/inotify-dir-recreate (fails in this run but passes in the 'main' branch)
Congrats! The gnu test tests/printf/printf-surprise is now passing!