09e18d113b
In Go 1.17 the gc toolchain changed to set runtime.GOROOT in cmd/link (previously it was runtime/internal/sys.GOROOT). Do the same in libgo. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/351313 gotools/: * Makefile.am (check-runtime): Add goroot.go to --extrafiles. * Makefile.in: Regenerate.