func internal/goroot.IsStandardPackage

2 uses

	internal/goroot (current package)
		gc.go#L19: func IsStandardPackage(goroot, compiler, path string) bool {

	go/build
		build.go#L695: 		if ctxt.Compiler == "gccgo" && goroot.IsStandardPackage(ctxt.GOROOT, ctxt.Compiler, path) {

The pages are generated with Golds v0.3.2-preview. (GOOS=darwin GOARCH=amd64)
Golds is a Go 101 project developed by Tapir Liu.
PR and bug reports are welcome and can be submitted to the issue list.
Please follow @Go100and1 (reachable from the left QR code) to get the latest news of Golds.