- Register hash/maphash in hasAltPkg map in runtime/build.go - Add rand() function that bridges to fastrand64() in runtime overlay - Add memhash() function that bridges to internal memhash() in runtime overlay - Fixes issue where hash/maphash package failed with undefined symbols Fixes #1338 Generated with [codeagent](https://github.com/qbox/codeagent) Co-authored-by: luoliwoshang <luoliwoshang@users.noreply.github.com> Co-authored-by: xgopilot <noreply@goplus.org>