no need for escapeNewline

src/compiler/codegen.js

@@ -109,17 +109,13 @@ function genText (text) {
   } else {
     const exp = parseText(text)
     if (exp) {
-      return 'String(' + escapeNewlines(exp) + ')'
+      return 'String(' + exp + ')'
     } else {
-      return escapeNewlines(JSON.stringify(text))
+      return JSON.stringify(text)
     }
   }
 }
 
-function escapeNewlines (str) {
-  return str.replace(/\n/g, '\\n')
-}
-
 function getAttr (el, attr) {
   let val
   if (val = el.attrsMap[attr]) {