runtime:forkAndExecInChild chdir

[luoliwoshang]

The way Go calls its assembly function libc_chdir_trampoline via rawSyscall ultimately means the assembly itself just ends up calling libc's chdir. So use c.Chdir directly.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.64%. Comparing base (87c7b65) to head (701568e).
Report is 6 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1140   +/-   ##
=======================================
  Coverage   86.64%   86.64%           
=======================================
  Files          29       29           
  Lines        7343     7343           
=======================================
  Hits         6362     6362           
  Misses        914      914           
  Partials       67       67           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.