Steps to Reproduce:
- Open new JS file
- Paste the following code:
var a = {'\\': '('};
function function1() {
console.log("hello".toUpperCase());
}
function function2() {
console.log("hello".toUpperCase());
}
console.log("hello".toUpperCase());
Screenshot:

VS Code version: Code 1.36.1 (2213894ea0415ee8c85c5eea0d0ff81ecc191529, 2019-07-08T22:59:35.033Z)
OS version: Windows_NT x64 10.0.17763