func go/build.fileListForExt

4 uses

	go/build (current package)
		build.go#L858: 			} else if fileListForExt(p, ext) != nil {
		build.go#L874: 			if list := fileListForExt(p, ext); list != nil {
		build.go#L1024: func fileListForExt(p *Package, ext string) *[]string {
		build.go#L1412: 	if ext != ".go" && fileListForExt(&dummyPkg, ext) == nil {