Rebase to master

testutils/source.go

@@ -206,7 +206,28 @@ func main(){
 		panic(err)
 	}
 	defer rows.Close()
-}`, 1}, {
+}`, 1}, {`
+// Format string false positive, safe string spec.
+package main
+import (
+	"database/sql"
+	"fmt"
+	"os"
+	//_ "github.com/mattn/go-sqlite3"
+)
+
+func main(){
+	db, err := sql.Open("sqlite3", ":memory:")
+	if err != nil {
+		panic(err)
+	}
+	q := fmt.Sprintf("SELECT * FROM foo where id = %d", os.Args[1])
+	rows, err := db.Query(q)
+	if err != nil {
+		panic(err)
+	}
+	defer rows.Close()
+}`, 0}, {
 			`
 // Format string false positive
 package main