UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36

Steps to reproduce the problem:
1. Install VS Code (I don't know how to reproduce this with Chrome DevTools)
2. Open the attached web page
3. Set breakpoints on line 5 and 6
4. Launch Chrome with the options already present on the launch.json file ("breakOnLoad": true, "breakOnLoadStrategy": "regex", are necessary to reproduce this issue)

What is the expected behavior?
The program should pause on line 5 when it hits the breakpoint

What went wrong?
The program skipped the breakpoint on line 5, and paused on line 6 instead

Did this work before? N/A 

Chrome version: 63.0.3239.132  Channel: stable
OS Version: 10.0
Flash Version: 

You can also see this behavior if you replace app.js with alternativ app.js in that case if you put breakpoints on all these lines:
var x = Math.random() + Math.random() + Math.random(); // Breakpoint doesn't hit here
var y = Math.random() + Math.random() + Math.random() + x; // Breakpoint doesn't hit here
print2("Boo!"); // Breakpoint doesn't hit here
print2("Hello world!"); // Breakpoint hits here

So the first 3 breakpoints are not actually hit.
 

Deleted: BugRepro.zip 21.1 KB

BugRepro.zip 21.1 KB Download