fix(compiler-core): handle unexpected characters in attribute names

Author: linzhe141

packages/compiler-core/src/tokenizer.ts

@@ -661,7 +661,17 @@ export default class Tokenizer {
     }
   }
   private handleAttrStart(c: number) {
-    if (c === CharCodes.LowerV && this.peek() === CharCodes.Dash) {
+    if (
+      (__DEV__ || !__BROWSER__) &&
+      (c === CharCodes.DoubleQuote ||
+        c === CharCodes.SingleQuote ||
+        c === CharCodes.Lt)
+    ) {
+      this.cbs.onerr(
+        ErrorCodes.UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME,
+        this.index,
+      )
+    } else if (c === CharCodes.LowerV && this.peek() === CharCodes.Dash) {
       this.state = State.InDirName
       this.sectionStart = this.index
     } else if (